TWI784885B - Optical imaging lens system, image capturing unit and electronic device - Google Patents

Abstract

An optical imaging lens system includes ten lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element, a ninth lens element and a tenth lens element. Each of the ten lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The second lens element has positive refractive power. The image-side surface of the tenth lens element is concave in a paraxial region thereof, and the image-side surface of the tenth lens element has at least one inflection point. When specific conditions are satisfied, the requirements of compact size and high image quality can be met by the optical imaging lens system, simultaneously.

Description

Optical image lens system group, imaging device and electronic device

The invention relates to an optical image lens system group, an image capturing device and an electronic device, in particular to an optical image lens system group and an image capturing device suitable for an electronic device.

With the improvement of semiconductor process technology, the performance of electronic photosensitive elements has been improved, and the size of pixels can reach a smaller size. Therefore, optical lenses with high imaging quality have become an indispensable part.

With the rapid development of science and technology, the application range of electronic devices equipped with optical lenses is wider, and the requirements for optical lenses are also more diverse. Because the optical lens in the past is not easy to achieve a balance among requirements such as imaging quality, sensitivity, aperture size, volume, or viewing angle, the present invention provides an optical lens to meet the requirements.

The invention provides an optical image lens system group, an image taking device and an electronic device. Wherein, the optical imaging lens system group includes ten lenses arranged sequentially along the optical path from the object side to the image side. When specific conditions are met, the optical imaging lens system set provided by the present invention can meet the requirements of miniaturization and high imaging quality at the same time.

The invention provides an optical image lens system group, which includes ten lenses. Ten lenses along the optical route from the object side to the image side are the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens and the Tenth lens. The ten lenses respectively have object-side surfaces facing the object-side direction and image-side surfaces facing the image-side direction. The total number of lenses in the optical image lens system group is only ten. The second lens has positive refractive power. The image-side surface of the tenth lens is concave at the near optical axis, and the image-side surface of the tenth lens has at least one inflection point. The maximum refractive index of all lenses in the optical image lens system group is Nmax, the distance between the third lens and the fourth lens on the optical axis is T34, the distance between the fourth lens and the fifth lens on the optical axis is T45, The Abbe number of the second lens is V2, which satisfies the following conditions:

1.50 < Nmax < 1.80;

0 < T34/T45 < 6.0; and

28.0 < V2 < 60.0.

The present invention further provides an optical image lens system group, which includes ten lenses. Ten lenses along the optical route from the object side to the image side are the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens and the Tenth lens. The ten lenses respectively have object-side surfaces facing the object-side direction and image-side surfaces facing the image-side direction. The total number of lenses in the optical image lens system group is only ten. The image-side surface of the tenth lens is concave at the near optical axis, and the image-side surface of the tenth lens has at least one inflection point. The maximum refractive index of all lenses in the optical image lens system group is Nmax, the distance between the third lens and the fourth lens on the optical axis is T34, the distance between the fourth lens and the fifth lens on the optical axis is T45, The focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following conditions:

1.50 < Nmax < 1.80;

0 < T34/T45 < 6.0; and

0 < |f2/f1| < 1.10.

The present invention provides an image capturing device, which includes the aforementioned optical image lens system group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on the imaging surface of the optical image lens system group.

The present invention provides an electronic device, which includes at least two image capturing devices, and the at least two image capturing devices are located on the same side of the electronic device. The at least two imaging devices include a first imaging device and a second imaging device. The first image taking device includes the aforementioned optical image lens system group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on the imaging surface of the optical image lens system group. The second image taking device includes an optical lens group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on the imaging surface of the optical mirror group. The maximum viewing angle of the first imaging device is at least 30 degrees different from the maximum viewing angle of the second imaging device.

When Nmax satisfies the above conditions, it can avoid the difficulty of making the lens too high, so as to improve the possibility of commercialization of the lens.

When T34/T45 satisfies the above conditions, the spatial arrangement of the third, fourth and fifth lenses can be balanced to avoid space waste caused by too large distance between the third lens and the fourth lens.

When V2 satisfies the above conditions, the second lens can have the main converging ability of the optical imaging lens system group, so as to balance the aberration of the object side end.

When |f2/f1| satisfies the above conditions, the refractive power configurations of the first lens and the second lens can be effectively allocated to improve the control ability of the second lens and increase the viewing angle range.

The optical image lens system group includes ten lenses, and the ten lenses are sequentially the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the sixth lens along the optical path from the object side to the image side. Seventh lens, eighth lens, ninth lens and tenth lens. Wherein, the ten lenses respectively have object-side surfaces facing the object-side direction and image-side surfaces facing the image-side direction. Moreover, the total number of lenses in the optical image lens system group is only ten.

The first lens can have positive refractive power; thereby, the converging power of the second lens can be effectively shared to balance aberrations. The object-side surface of the first lens can be convex at the near optical axis; thereby, the angle between the light and the lens surface can be slowed down to avoid total reflection.

The second lens can have positive refractive power; thereby, it can provide the main converging ability of the optical image lens system group, so as to effectively compress the space of the system group and meet the requirement of miniaturization. The object-side surface of the second lens can be convex at the near optical axis, and the image-side surface of the second lens can be concave at the near optical axis; thereby, the direction of the optical path in the meridian (Tangential) direction and the sagittal (Sagittal) direction can be balanced , in order to correct the astigmatism of the system.

The third lens can have a negative refractive power; thereby, the aberration generated by the second lens can be balanced, and then spherical aberration and chromatic aberration can be corrected. The image-side surface of the third lens can be concave at the near optical axis; thereby, the aberration generated by the second lens can be effectively balanced to improve image quality.

The fourth lens may have positive refractive power. In this way, part of the aberration generated by the third lens can be corrected to improve the image quality of the optical image lens system group.

The image-side surface of the seventh lens can be concave at the near optical axis and have at least one convex at the off-axis. Thereby, image curvature can be effectively corrected, and relative illuminance can be maintained.

The image-side surface of the eighth lens can be concave at the near optical axis and have at least one convex surface at the off-axis; thereby, the correction capability of the off-axis aberration at the image side of the optical imaging lens system can be enhanced, and it can be beneficial to reduce Distortion and image curvature. The image-side surface of the eighth lens can have at least one critical point at the off-axis; thereby, distortion can be effectively corrected. Please refer to FIG. 29 , which is a schematic diagram illustrating the off-axis critical point C of the eighth lens E8 , the ninth lens E9 and the tenth lens E10 according to the first embodiment of the present invention. Fig. 29 shows the critical point C of the eighth lens E8, the ninth lens E9 and the tenth lens E10 in the first embodiment of the present invention as an exemplary illustration, but in this embodiment and other embodiments of the present invention, each lens There may also be one or more critical points off-axis.

The image-side surface of the ninth lens can be concave at the near optical axis and have at least one convex surface at the off-axis, and the image-side surface of the ninth lens can have at least one critical point at the off-axis. Thereby, the optical effective diameter of the ninth lens can be increased, and the peripheral light can be corrected, so as to maintain good image quality under different object distances.

The tenth lens can have a negative refractive power; thereby, it is beneficial to achieve a miniaturized module to reduce the size of the device. The surface of the image side of the tenth lens is concave at the near optical axis; thereby, the back focus can be shortened, and the volume is avoided to meet the requirement of miniaturization. The surface of the image side of the tenth lens can have at least one critical point at the off-axis; thereby, the peripheral image aberration can be effectively controlled, and the size can be reduced at the same time.

Among the first lens, the second lens, the third lens and the fourth lens, there may be at least three lenses whose respective object-side surfaces are convex at the near optical axis and image-side surfaces are concave at the near optical axis. Thereby, it is beneficial to correct the astigmatism of the optical image lens system group.

In the optical image lens system group, at least one of the object-side surface and the image-side surface of at least three lenses can have at least one inflection point; thereby, it is helpful to correct image curvature, meet the characteristics of miniaturization, and make the The Petzval Surface of the optical image lens system group is flatter. Wherein, the image-side surface of the tenth lens has at least one inflection point; thereby, it is beneficial to correct the off-axis aberration and reduce the volume of the optical image lens system group. Please refer to FIG. 29 , which is a schematic diagram showing inflection points P of the eighth lens E8 , the ninth lens E9 and the tenth lens E10 according to the first embodiment of the present invention. Fig. 29 shows the inflection point P of the eighth lens E8, the ninth lens E9 and the tenth lens E10 in the first embodiment of the present invention as an exemplary illustration, but in this embodiment and other embodiments of the present invention, each A lens may also have one or more points of inflection.

The maximum value of the refractive index of all lenses in the optical image lens system group is Nmax, which satisfies the following conditions: 1.50<Nmax<1.80. In this way, it is possible to avoid excessive difficulty in making the lens, so as to increase the possibility of commercialization of the lens. Among them, the following conditions can also be satisfied: 1.60 < Nmax < 1.75. Among them, the following conditions can also be satisfied: 1.65 < Nmax < 1.72. Among them, the following conditions can also be satisfied: 1.68 ≤ Nmax < 1.70.

The distance between the third lens and the fourth lens on the optical axis is T34, and the distance between the fourth lens and the fifth lens on the optical axis is T45, which satisfy the following conditions: 0<T34/T45<6.0. Thereby, the spatial arrangement of the third, fourth and fifth lenses can be balanced, so as to avoid space waste caused by too large distance between the third lens and the fourth lens. Among them, the following conditions can also be satisfied: 0 < T34/T45 < 3.50. Among them, the following conditions can also be satisfied: 0.10 < T34/T45 < 2.50.

The Abbe number of the second lens is V2, which can satisfy the following condition: 22.0<V2<80.0. In this way, the second lens can have the main converging ability of the optical image lens system group, so as to balance the object-side end aberration. Among them, the following conditions can also be satisfied: 24.0 < V2 < 70.0. Among them, the following conditions can also be satisfied: 28.0 < V2 < 60.0. Among them, the following conditions can also be satisfied: 32.0 < V2 < 60.0.

The focal length of the first lens is f1, and the focal length of the second lens is f2, which can satisfy the following condition: 0 < |f2/f1| < 1.10. In this way, the refractive power configurations of the first lens and the second lens can be effectively distributed, so as to improve the control ability of the second lens and increase the viewing angle range.

The distance on the optical axis from the object-side surface of the first lens to the imaging surface is TL, and the maximum imaging height of the optical image lens system group is ImgH (which can be half of the total diagonal length of the effective sensing area of the electronic photosensitive element), which can be Satisfy the following conditions: 0.50 < TL/ImgH < 1.85. In this way, the total length of the optical imaging lens system can be compressed while ensuring sufficient light-receiving area to avoid vignetting around the image. Wherein, the following conditions can also be satisfied: 0.50 < TL/ImgH < 1.55. Wherein, the following conditions can also be satisfied: 0.90 < TL/ImgH < 1.35.

The minimum Abbe number of all lenses in the optical imaging lens system group is Vmin, which can satisfy the following conditions: 5.0 < Vmin < 21.0. In this way, the light path of the optical imaging lens system group can be adjusted, and the converging ability of light rays of different wavelengths can be balanced to correct chromatic aberration. Among them, the following conditions can also be satisfied: 5.0 < Vmin < 20.0.

The Abbe number of the ninth lens is V9, and the Abbe number of the tenth lens is V10, which can satisfy the following condition: 20.0<V9+V10<105.0. In this way, better chromatic aberration balance capability of the ninth lens and the tenth lens can be provided, so as to avoid imaging position shift caused by light rays of different wavelength bands. Among them, the following conditions can also be satisfied: 20.0 < V9+V10 < 78.0. Among them, the following conditions can also be satisfied: 45.0 < V9+V10 < 78.0.

The focal length of the optical imaging lens system group is f, and the focal length of the ninth lens is f9, which can satisfy the following conditions: -1.50<f/f9<0.62. Thereby, the ninth lens can be made into an aberration correction lens (Correction Lens), and the curvature of the lens surface is prevented from being too large, so that it has the function of balancing front and rear lens aberrations. Among them, the following conditions can also be satisfied: -0.60 < f/f9 < 0.58.

The distance between the seventh lens and the eighth lens on the optical axis is T78, the distance between the ninth lens and the tenth lens on the optical axis is T910, and the thickness of the tenth lens on the optical axis is CT10, which can satisfy the following Condition: 0.30 < (T78+T910)/CT10 < 3.0. In this way, the spatial configuration of the optical image lens system group can be effectively balanced, so as to avoid assembly interference caused by too small peripheral space of the tenth lens, or too long space at the image side, which is difficult to be applied to portable devices. Among them, the following condition can also be satisfied: 0.80 < (T78+T910)/CT10 < 2.50.

The distance on the optical axis from the object-side surface of the first lens to the image-side surface of the tenth lens is TD, and the entrance pupil diameter of the optical imaging lens system group is EPD, which can satisfy the following conditions: 1.50<TD/EPD<3.0. Thereby, the spatial distance from the first lens to the tenth lens can be controlled to ensure the miniaturization of the lens barrel, thereby making the device easier to carry. Among them, the following conditions can also be met: 1.50 < TD/EPD < 2.50.

The thickness of the second lens on the optical axis is CT2, and the thickness of the third lens on the optical axis is CT3, which can satisfy the following conditions: 1.20<CT2/CT3<5.0. In this way, it can be ensured that the second lens has stronger light control ability than the third lens, so as to improve the image quality. Among them, the following conditions can also be met: 1.30 < CT2/CT3 < 3.0.

The distance between the third lens and the fourth lens on the optical axis is T34, and the distance between the eighth lens and the ninth lens on the optical axis is T89, which can satisfy the following conditions: 0.20<T89/T34<1.10. Thereby, the symmetry of the optical image lens system group can be improved, and the image quality can be enhanced.

The vertical distance between the critical point on the image side surface of the tenth lens and the optical axis is Yc102, the focal length of the optical image lens system group is f, and the image side surface of the tenth lens can have at least one critical point at an off-axis place to meet the following conditions: 0.005 ＜ Yc102/f ＜ 1.50. In this way, the deformation of the surrounding image can be effectively avoided, and the brightness of the surrounding image can be maintained. Among them, the following conditions can also be satisfied: 0.01 < Yc102/f < 1.0. Among them, the following conditions can also be satisfied: 0.01 < Yc102/f < 0.60. Please refer to FIG. 29 , which is a schematic diagram illustrating the parameter Yc102 and the critical point C of the image-side surface of the tenth lens E10 according to the first embodiment of the present invention.

In the optical image lens system set disclosed in the present invention, at least four lenses may be made of plastic material. Thereby, the production cost can be effectively reduced, and the degree of freedom of design can be improved, so as to optimize the off-axis aberration.

The focal length of the optical image lens system group is f, and the focal length of the second lens is f2, which can satisfy the following conditions: 0.20<f/f2<0.85. In this way, the refractive strength of the second lens can be balanced to ensure that the second lens provides sufficient converging ability at the object-side end of the optical image lens system, and avoid excessive aberrations caused by excessive curvature of the lens surface. Among them, the following conditions can also be satisfied: 0.50 < f/f2 < 0.85.

The focal length of the optical image lens system group is f, and the entrance pupil diameter of the optical image lens system group is EPD, which can satisfy the following conditions: 0.80 < f/EPD ≤ 2.0. In this way, the light entrance aperture of the lens can be effectively adjusted, and the amount of light entering the optical image lens system group can be controlled to improve the brightness of the image.

The distance on the optical axis from the object-side surface of the first lens to the imaging plane is TL, and the focal length of the optical imaging lens system group is f, which can satisfy the following conditions: 0.80<TL/f<1.30. In this way, the total length of the optical imaging lens system can be balanced and the field of view can be controlled to meet product application requirements.

The Abbe number of the fifth lens is V5, and the Abbe number of the sixth lens is V6, which can satisfy the following condition: 20.0<V5+V6<90.0. Thereby, it is possible to provide a part of lenses in the middle section of the optical image lens system group with strong optical path control capability. Among them, the following conditions can also be satisfied: 20.0 < V5+V6 < 75.0. Among them, the following conditions can also be satisfied: 20.0 < V5+V6 < 60.0. Among them, the following conditions can also be satisfied: 20.0 < V5+V6 < 50.0.

The entrance pupil aperture of the optical imaging lens system group is EPD, and the distance from the image-side surface of the tenth lens to the imaging surface on the optical axis is BL, which can satisfy the following conditions: 2.40 < EPD/BL < 6.0. Thereby, the length of the back focal length of the optical image lens system can be controlled, so as to avoid excessive volume and ensure that the optical image lens system has sufficient light input.

The optical image lens system group disclosed in the present invention further includes an aperture, the distance from the aperture to the image-side surface of the tenth lens on the optical axis is SD, and the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is SD. The distance is TD, which satisfies the following condition: 0.60 < SD/TD < 1.20. In this way, the position of the aperture can be effectively balanced to facilitate the control of the lens volume. Among them, the following conditions can also be satisfied: 0.70 < SD/TD < 1.10. Among them, the following conditions can also be satisfied: 0.80 < SD/TD < 1.0.

The maximum imaging height of the optical image lens system group is ImgH, which can meet the following conditions: 4.50 [mm] < ImgH < 12.0 [mm]. In this way, the light-receiving area can be controlled to ensure image brightness and achieve a balance with specification requirements. Among them, the following conditions can also be met: 5.50 [mm] < ImgH < 12.0 [mm]. Among them, the following conditions can also be satisfied: 6.0 [mm] < ImgH < 10.0 [mm].

The distance on the optical axis from the object-side surface of the first lens to the imaging plane is TL, which can satisfy the following conditions: 4.0 [mm] < TL < 15.0 [mm]. In this way, it is beneficial to control the total length of the optical image lens system group, so as to expand the application range of the product and meet the current market demand. Among them, the following conditions can also be met: 5.0 [mm] < TL < 12.0 [mm]. Among them, the following conditions can also be met: 6.0 [mm] < TL < 10.0 [mm].

In the optical image lens system set disclosed in the present invention, there may be at least four lenses whose Abbe numbers are all less than 40.0. In this way, it can be ensured that the lens material in the optical imaging lens system group has sufficient ability to control light, so as to balance the focus positions of light in different wavelength bands and avoid image overlap.

The distance on the optical axis from the image-side surface of the tenth lens to the image plane is BL, and the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, which can satisfy the following conditions: 0＜BL/ TD < 0.25. Thereby, it is helpful to shorten the back focus, so as to control the total length of the optical image lens system group.

The maximum imaging height of the optical imaging lens system group is ImgH, and the distance on the optical axis from the image side surface of the tenth lens to the imaging surface is BL, which can meet the following conditions: 4.0<ImgH/BL<20.0. Thereby, the back focus of the optical image lens system group can be effectively compressed, and at the same time, it has a large light-receiving range. Among them, the following conditions can also be met: 5.0 < ImgH/BL < 10.0.

The sum of the thicknesses of all lenses on the optical axis in the optical imaging lens system group is ΣCT, and the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, which can satisfy the following conditions: 0.50 < ΣCT/ TD < 0.90. In this way, the lens thickness distribution can be balanced to improve space utilization.

The distance between the seventh lens and the eighth lens on the optical axis is T78, and the distance between the eighth lens and the ninth lens on the optical axis is T89, which can satisfy the following conditions: 0<T89/T78<1.30. In this way, the spatial configuration of the image-side end of the optical image lens system can be balanced to facilitate correction of aberrations. Among them, the following conditions can also be satisfied: 0.05 < T89/T78 < 0.60.

All the technical features of the above-mentioned optical image lens system set of the present invention can be combined and configured to achieve corresponding effects.

In the optical image lens system set disclosed in the present invention, the material of the lens can be glass or plastic. If the material of the lens is glass, the degree of freedom in the configuration of the refractive power of the optical imaging lens system can be increased, and the influence of external environmental temperature changes on imaging can be reduced, and the glass lens can be made by grinding or molding techniques. If the lens material is plastic, the production cost can be effectively reduced. In addition, a spherical or aspheric surface (ASP) can be set on the mirror surface. The spherical lens can reduce the manufacturing difficulty. If an aspheric surface is set on the mirror surface, more control variables can be obtained to reduce aberrations and The number of lenses can effectively reduce the total length of the optical image lens system group of the present invention. Further, the aspheric surface can be made by plastic injection molding or molding glass lens.

In the optical image lens system set disclosed in the present invention, if the lens surface is aspheric, it means that the entire or part of the optical effective area of the lens surface is aspheric.

In the optical imaging lens system group disclosed in the present invention, additives can be selectively added to any (above) lens materials to produce light absorption or light interference effects, so as to change the transmittance of the lens for specific wavelengths of light, thereby reducing Stray light and color cast. For example: Additives can filter out light in the 600nm to 800nm band of the system to help reduce unwanted red or infrared light; or filter out light in the 350nm to 450nm band to reduce Excessive blue or ultraviolet light, therefore, additives prevent specific wavelengths of light from interfering with imaging. In addition, additives can be uniformly mixed in plastics and made into lenses by injection molding technology. In addition, additives can also be configured on the coating on the surface of the lens to provide the above effects.

In the optical image lens system group disclosed in the present invention, if the lens surface is convex and the position of the convex surface is not defined, it means that the convex surface can be located at the near optical axis of the lens surface; if the lens surface is concave and the concave surface is not defined position, it means that the concave surface can be located at the near optical axis of the lens surface. If the refractive power or focal length of the lens does not define its area position, it means that the refractive power or focal length of the lens can be the refractive power or focal length of the lens at the near optical axis.

In the optical image lens system set disclosed in the present invention, the inflection point of the lens surface refers to the junction point where the curvature of the lens surface changes positively or negatively. The critical point of the lens surface refers to the tangent point on the tangent line between the plane perpendicular to the optical axis and the lens surface, and the critical point is not located on the optical axis.

In the optical image lens system group disclosed in the present invention, the imaging surface of the optical image lens system group can be a plane or a curved surface with any curvature according to the difference of the corresponding electronic photosensitive element, especially the concave surface facing the object side direction of the surface.

In the optical image lens system group disclosed by the present invention, more than one imaging correction element (flat field element, etc.) can be selectively arranged between the lens closest to the imaging surface on the imaging optical path and the imaging surface, so as to achieve the effect of correcting the image ( like bending, etc.). The optical properties of the imaging correction element, such as curvature, thickness, refractive index, position, surface type (convex or concave, spherical or aspheric, diffractive surface and Fresnel surface, etc.) can be adjusted according to the requirements of the imaging device. Generally speaking, a preferred configuration of the imaging correction element is that a thin plano-concave element with a concave surface toward the object side is disposed close to the imaging surface.

In the optical image lens system group disclosed by the present invention, at least one element with the function of turning the optical path can also be selectively arranged on the imaging optical path between the subject and the imaging surface, such as a mirror or a reflector, to provide an optical image The relatively flexible spatial configuration of the lens system group makes the thinning of electronic devices not limited by the total optical length of the optical image lens system group. For further explanation, please refer to Fig. 30 and Fig. 31, wherein Fig. 30 is a schematic diagram showing a configuration relationship of the optical path turning element according to the present invention in the optical image lens system group, and Fig. 31 is a schematic diagram showing the optical path turning element according to the present invention A schematic diagram of another configuration relationship in the optical image lens system group. As shown in Figure 30 and Figure 31, the optical image lens system group can follow the optical path from the subject (not shown) to the imaging surface IM, and has a first optical axis OA1, an optical path deflection element LF, and a second optical axis OA2 in sequence , wherein the optical path turning element LF can be arranged between the subject and the lens group LG of the optical image lens system group as shown in FIG. 30 , or as shown in FIG. between the imaging surfaces IM. In addition, please refer to FIG. 32, which is a schematic diagram showing a configuration relationship of two optical path turning elements in the optical image lens system group according to the present invention. As shown in FIG. 32, the optical image lens system group can also be photographed along the optical route From the object (not shown) to the imaging surface IM, there are sequentially a first optical axis OA1, a first optical path deflection element LF1, a second optical axis OA2, a second optical path deflection element LF2, and a third optical axis OA3, wherein the first optical path The deflection element LF1 is disposed between the subject and the lens group LG of the optical image lens system group, and the second optical path deflection element LF2 is disposed between the lens group LG of the optical image lens system group and the imaging surface IM. The optical imaging lens system group can also be selectively configured with more than three optical path turning elements, and the present invention is not limited to the type, quantity and position of the optical path turning elements disclosed in the drawings.

In the optical image lens system group disclosed by the present invention, at least one diaphragm can be provided, which can be located in front of the first lens, between the lenses or behind the last lens. Stop) or field stop (Field Stop), etc., can be used to reduce stray light and help improve image quality.

In the optical image lens system set disclosed in the present invention, the configuration of the aperture can be a front aperture or a middle aperture. The front aperture means that the aperture is set between the subject and the first lens, and the middle aperture means that the aperture is set between the first lens and the imaging surface. If the aperture is a front aperture, it can make the exit pupil (Exit Pupil) and the imaging surface have a longer distance, so that it has a telecentric (Telecentric) effect, and can increase the efficiency of the CCD or CMOS of the electronic photosensitive element to receive images; if it is The central aperture helps to expand the field of view of the optical imaging lens system.

In the present invention, a variable aperture element can be appropriately provided, which can be a mechanical component or a light regulating element, which can control the size and shape of the aperture by electricity or electrical signals. The mechanical components may include movable parts such as blade groups and shielding plates; the light regulating elements may include shielding materials such as filter elements, electrochromic materials, and liquid crystal layers. The variable aperture element can enhance the ability of image adjustment by controlling the amount of light entering or the exposure time of the image. In addition, the variable aperture element can also be the aperture of the present invention, and the image quality, such as depth of field or exposure speed, can be adjusted by changing the aperture value.

According to the above-mentioned implementation manners, specific embodiments are proposed below and described in detail with reference to the drawings.

<First embodiment>

Please refer to FIG. 1 to FIG. 2 , wherein FIG. 1 shows a schematic diagram of an imaging device according to a first embodiment of the present invention, and FIG. 2 is a diagram of spherical aberration, astigmatism and distortion curves of the first embodiment from left to right. As can be seen from FIG. 1 , the image capturing device 1 includes an optical image lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the stop S1, the fifth lens E5, the sixth lens along the optical path from the object side to the image side in sequence. Lens E6, seventh lens E7, eighth lens E8, ninth lens E9, tenth lens E10, filter element (Filter) E11 and imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has a negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

The curve equations of the aspheric surfaces of the above-mentioned lenses are expressed as follows:

X: The displacement from the intersection of the aspheric surface and the optical axis to the point on the aspheric surface that is Y from the optical axis parallel to the optical axis;

Y: The vertical distance between the point on the aspheric curve and the optical axis;

R: radius of curvature;

k: cone coefficient; and

Ai: i-th order aspherical coefficient.

In the optical image lens system group of the first embodiment, the focal length of the optical image lens system group is f, the aperture value (F-number) of the optical image lens system group is Fno, and half of the maximum viewing angle in the optical image lens system group is HFOV , and its values are as follows: f = 8.64 millimeters (mm), Fno = 1.95, HFOV = 43.1 degrees (deg.).

The maximum refractive index of all lenses in the optical image lens system group is Nmax, which satisfies the following condition: Nmax = 1.686. In this embodiment, the refractive index of the third lens E3, the refractive index of the sixth lens E6 and the refractive index of the eighth lens E8 are equal and greater than the respective refractive indices of the remaining lenses in the optical image lens system group, so Nmax is equal to the first The refractive index of the third lens E3, the refractive index of the sixth lens E6, and the refractive index of the eighth lens E8.

The minimum Abbe number of all lenses in the optical image lens system group is Vmin, which satisfies the following condition: Vmin = 18.4. In this embodiment, the Abbe number of the third lens E3, the Abbe number of the sixth lens E6 and the Abbe number of the eighth lens E8 are equal and smaller than the respective Abbe numbers of the other lenses in the optical image lens system group, Therefore, Vmin is equal to the Abbe number of the third lens E3, the Abbe number of the sixth lens E6 and the Abbe number of the eighth lens E8.

The Abbe number of the second lens E2 is V2, which satisfies the following condition: V2 = 56.0.

The Abbe number of the fifth lens E5 is V5, and the Abbe number of the sixth lens E6 is V6, which satisfy the following condition: V5+V6=74.4.

The Abbe number of the ninth lens E9 is V9, and the Abbe number of the tenth lens E10 is V10, which satisfy the following condition: V9+V10=74.8.

The thickness of the second lens E2 on the optical axis is CT2, and the thickness of the third lens E3 on the optical axis is CT3, which satisfy the following condition: CT2/CT3 = 2.44.

The distance between the third lens E3 and the fourth lens E4 on the optical axis is T34, and the distance between the fourth lens E4 and the fifth lens E5 on the optical axis is T45, which satisfy the following condition: T34/T45 = 0.37. In this embodiment, the distance between two adjacent lenses on the optical axis refers to the distance between two adjacent mirror surfaces of the two adjacent lenses on the optical axis.

The distance between the third lens E3 and the fourth lens E4 on the optical axis is T34, and the distance between the eighth lens E8 and the ninth lens E9 on the optical axis is T89, which satisfies the following condition: T89/T34 = 0.34.

The distance between the seventh lens E7 and the eighth lens E8 on the optical axis is T78, and the distance between the eighth lens E8 and the ninth lens E9 on the optical axis is T89, which satisfy the following condition: T89/T78 = 0.11.

The distance between the seventh lens E7 and the eighth lens E8 on the optical axis is T78, the distance between the ninth lens E9 and the tenth lens E10 on the optical axis is T910, and the thickness of the tenth lens E10 on the optical axis is CT10 , which satisfies the following condition: (T78+T910)/CT10 = 2.10.

The focal length of the first lens E1 is f1, and the focal length of the second lens E2 is f2, which satisfy the following condition: |f2/f1| = 0.94.

The focal length of the optical imaging lens system group is f, and the focal length of the second lens E2 is f2, which satisfies the following condition: f/f2 = 0.51.

The focal length of the optical imaging lens system group is f, and the focal length of the ninth lens E9 is f9, which satisfies the following condition: f/f9 = 0.27.

The focal length of the optical image lens system group is f, and the entrance pupil diameter of the optical image lens system group is EPD, which satisfies the following condition: f/EPD = 1.95.

The entrance pupil aperture of the optical imaging lens system group is EPD, and the distance on the optical axis from the image-side surface of the tenth lens E10 to the imaging surface IMG is BL, which satisfies the following condition: EPD/BL = 4.08.

The distance on the optical axis from the image-side surface of the tenth lens E10 to the imaging plane IMG is BL, and the distance from the object-side surface of the first lens E1 to the image-side surface of the tenth lens E10 on the optical axis is TD, which satisfies the following conditions: BL /TD = 0.12.

The maximum imaging height of the optical imaging lens system group is ImgH, and the distance on the optical axis from the image-side surface of the tenth lens E10 to the imaging surface IMG is BL, which satisfies the following condition: ImgH/BL=7.53.

The distance from the aperture ST to the image-side surface of the tenth lens E10 on the optical axis is SD, and the distance from the object-side surface of the first lens E1 to the image-side surface of the tenth lens E10 on the optical axis is TD, which satisfies the following conditions: SD/ TD = 0.92.

The distance on the optical axis from the object-side surface of the first lens E1 to the image-side surface of the tenth lens E10 is TD, and the entrance pupil aperture of the optical imaging lens system group is EPD, which satisfies the following condition: TD/EPD = 2.01.

The sum of the thicknesses of all lenses on the optical axis in the optical image lens system group is ΣCT, and the distance from the object-side surface of the first lens E1 to the image-side surface of the tenth lens E10 on the optical axis is TD, which satisfies the following conditions: ΣCT/TD = 0.63. In this embodiment, ΣCT is the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens E6, the seventh lens E7, the eighth lens E8, the ninth lens The sum of the thicknesses of the lens E9 and the tenth lens E10 on the optical axis.

The distance on the optical axis from the object-side surface of the first lens E1 to the imaging surface IMG is TL, and the focal length of the optical imaging lens system group is f, which satisfies the following condition: TL/f = 1.16.

The distance on the optical axis from the object-side surface of the first lens E1 to the imaging surface IMG is TL, and the maximum imaging height of the optical imaging lens system group is ImgH, which satisfies the following condition: TL/ImgH=1.22.

The distance on the optical axis from the object-side surface of the first lens E1 to the imaging plane IMG is TL, which satisfies the following condition: TL = 9.99 [mm].

The vertical distance between the critical point of the image side surface of the tenth lens E10 and the optical axis is Yc102, the focal length of the optical image lens system group is f, and the image side surface of the tenth lens E10 has a critical point at an off-axis position that satisfies the following conditions: Yc102 /f = 0.18.

The maximum imaging height of the optical imaging lens system group is ImgH, which satisfies the following condition: ImgH=8.17 [mm].

Please refer to Table 1 and Table 2 below.

Table 1, the first embodiment f (focal length) = 8.64 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 43.1 degrees surface the radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.6700 2 first lens 3.466002 (ASP) 0.5879 plastic 1.545 56.1 17.97 3 5.043343 (ASP) 0.0559 4 second lens 5.017566 (ASP) 0.7366 plastic 1.544 56.0 16.89 5 10.479355 (ASP) 0.0600 6 third lens 10.097068 (ASP) 0.3024 plastic 1.686 18.4 -26.68 7 6.428232 (ASP) 0.2150 8 fourth lens 7.059028 (ASP) 0.4825 plastic 1.544 56.0 23.88 9 15.087904 (ASP) 0.2018 10 aperture flat 0.3793 11 fifth lens -22.054638 (ASP) 0.5446 plastic 1.544 56.0 27.44 12 -8.979860 (ASP) 0.0615 13 sixth lens -10.542175 (ASP) 0.3675 plastic 1.686 18.4 -25.20 14 -27.399761 (ASP) 0.6167 15 seventh lens 11.029896 (ASP) 0.4670 plastic 1.660 20.4 874.73 16 11.055458 (ASP) 0.6697 17 eighth lens 8.458339 (ASP) 0.6919 plastic 1.686 18.4 -210.21 18 7.723823 (ASP) 0.0735 19 ninth lens 6.591231 (ASP) 0.6732 plastic 1.566 37.4 32.11 20 9.958717 (ASP) 0.9469 twenty one tenth lens -15.471361 (ASP) 0.7704 plastic 1.566 37.4 -7.89 twenty two 6.389913 (ASP) 0.5000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.3746 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 1.870 mm

Table 2. Aspheric coefficients surface 2 3 4 5 6 k = -1.324417E+00 -2.193300E+00 -1.798617E+00 -9.900000E+01 -7.402534E+01 A4 = 2.123677E-03 -5.451777E-03 -5.159817E-03 -7.412586E-03 -1.100296E-02 A6 = 9.533603E-04 1.382403E-02 1.434509E-02 2.110907E-02 2.554992E-02 A8 = -8.909202E-04 -1.231155E-02 -1.319559E-02 -2.186848E-02 -2.208182E-02 A10 = 3.260005E-04 5.562563E-03 6.166269E-03 1.066224E-02 1.040712E-02 A12 = -5.619764E-05 -1.238637E-03 -1.468452E-03 -2.787105E-03 -2.651322E-03 A14 = 2.910519E-06 1.257681E-04 1.693223E-04 3.790111E-04 3.513973E-04 A16 = 1.911600E-08 -4.531204E-06 -7.498732E-06 -2.091148E-05 -1.910003E-05 surface 7 8 9 11 12 k = -3.035416E+00 7.453347E+00 5.140991E+00 8.659830E+01 1.189594E+01 A4 = -1.231474E-02 -1.344021E-02 -2.070783E-03 -7.279507E-03 5.199487E-03 A6 = 1.258981E-02 3.196982E-03 -8.655884E-04 1.865925E-03 -3.033007E-02 A8 = -7.724427E-03 -2.525639E-03 4.731792E-04 -1.451315E-03 4.344220E-02 A10 = 3.200120E-03 9.169309E-04 -4.045585E-04 6.215160E-04 -3.457801E-02 A12 = -6.758232E-04 -8.115178E-05 2.228406E-04 -2.406186E-04 1.662229E-02 A14 = 7.333921E-05 -6.466008E-06 -5.015298E-05 7.106924E-05 -4.963361E-03 A16 = -3.448948E-06 1.165106E-06 3.951906E-06 -1.312091E-05 9.021294E-04 A18 = - - - 8.775616E-07 -9.162950E-05 A20 = - - - - 3.998799E-06 surface 13 14 15 16 17 k = 1.921919E+00 8.172279E+01 7.098194E+00 4.010414E+00 -1.856142E+01 A4 = 8.942364E-03 2.818995E-03 -2.085657E-02 -3.036517E-02 -1.173629E-02 A6 = -3.504909E-02 -1.366803E-02 1.220267E-02 1.471726E-02 -1.453079E-03 A8 = 4.111695E-02 1.077967E-02 -8.781870E-03 -8.586877E-03 1.985966E-03 A10 = -2.950996E-02 -5.914020E-03 3.672888E-03 3.383187E-03 -1.586632E-03 A12 = 1.313177E-02 2.124037E-03 -9.183846E-04 -8.912507E-04 6.669013E-04 A14 = -3.650098E-03 -4.881893E-04 1.170195E-04 1.539336E-04 -1.700897E-04 A16 = 6.150486E-04 6.865450E-05 -1.806029E-06 -1.715084E-05 2.763053E-05 A18 = -5.714453E-05 -5.316932E-06 -1.475188E-06 1.192529E-06 -2.856054E-06 A20 = 2.232669E-06 1.722091E-07 1.755565E-07 -4.726072E-08 1.809531E-07 A22 = - - -6.452761E-09 8.169010E-10 -6.382013E-09 A24 = - - - - 9.565793E-11 surface 18 19 20 twenty one twenty two k = -3.038765E+01 -1.587371E+00 -6.049788E-01 2.387568E+00 -1.087728E+00 A4 = -2.167463E-02 -4.234399E-02 -1.833410E-02 -3.072380E-02 -3.048168E-02 A6 = 9.998236E-03 1.114594E-02 -6.352804E-04 4.770642E-03 6.199514E-03 A8 = -4.760894E-03 -2.682085E-03 1.730666E-03 -2.072364E-04 -1.000633E-03 A10 = 1.374503E-03 5.706806E-04 -5.075066E-04 -1.776184E-05 1.243113E-04 A12 = -2.557189E-04 -9.670959E-05 8.174915E-05 2.671121E-06 -1.172427E-05 A14 = 3.175893E-05 1.158133E-05 -8.660303E-06 -1.339899E-07 8.209597E-07 A16 = -2.655009E-06 -9.365296E-07 6.408108E-07 2.020728E-09 -4.198709E-08 A18 = 1.473808E-07 5.052198E-08 -3.378467E-08 1.090339E-10 1.549904E-09 A20 = -5.207151E-09 -1.789036E-09 1.265253E-09 -7.206480E-12 -4.065676E-11 A22 = 1.061024E-10 3.988632E-11 -3.286152E-11 2.001589E-13 7.371447E-13 A24 = -9.512797E-13 -5.071292E-13 5.614409E-13 -3.129156E-15 -8.766563E-15 A26 = - 2.799198E-15 -5.655389E-15 2.693503E-17 6.145455E-17 A28 = - - 2.533824E-17 -1.000265E-19 -1.923024E-19

Table 1 shows the detailed structural data of the first embodiment in FIG. 1 , where the units of the radius of curvature, thickness and focal length are millimeters (mm), and surfaces 0 to 25 represent surfaces from the object side to the image side in sequence. Table 2 shows the aspheric surface data in the first embodiment, where k is the cone coefficient in the aspheric curve equation, and A4 to A28 represent the 4th to 28th order aspheric coefficients of each surface. In addition, the tables of the following embodiments are schematic diagrams and aberration curve diagrams corresponding to the respective embodiments, and the definitions of the data in the tables are the same as those in Table 1 and Table 2 of the first embodiment, and will not be repeated here.

<Second embodiment>

Please refer to FIG. 3 to FIG. 4 , wherein FIG. 3 shows a schematic diagram of an imaging device according to a second embodiment of the present invention, and FIG. 4 is a diagram of spherical aberration, astigmatism and distortion curves of the second embodiment in order from left to right. As can be seen from FIG. 3 , the image capturing device 2 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the stop S1, the fifth lens E5, the sixth lens along the optical path from the object side to the image side in sequence. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging plane IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, and both surfaces are aspherical.

The fourth lens E4 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, and both surfaces are aspherical.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The sixth lens E6 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The tenth lens E10 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 3 and Table 4 below.

Table three, the second embodiment f (focal length) = 8.56 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 43.5 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.6658 2 first lens 3.423522 (ASP) 0.5763 plastic 1.545 56.1 18.58 3 4.865251 (ASP) 0.0569 4 second lens 4.839446 (ASP) 0.7415 plastic 1.544 56.0 16.25 5 10.115320 (ASP) 0.0600 6 third lens 9.717992 (ASP) 0.3117 plastic 1.686 18.4 -28.18 7 6.383190 (ASP) 0.2123 8 fourth lens 7.202817 (ASP) 0.4665 plastic 1.544 56.0 24.44 9 15.354585 (ASP) 0.2103 10 aperture flat 0.3879 11 fifth lens -21.728275 (ASP) 0.5483 plastic 1.544 56.0 26.14 12 -8.671299 (ASP) 0.0500 13 sixth lens -9.888293 (ASP) 0.3600 plastic 1.686 18.4 -24.84 14 -23.909477 (ASP) 0.5577 15 seventh lens 11.222605 (ASP) 0.4142 plastic 1.660 20.4 -183.62 16 10.120628 (ASP) 0.6362 17 eighth lens 8.221806 (ASP) 0.7206 plastic 1.686 18.4 -202.29 18 7.485154 (ASP) 0.1573 19 ninth lens 10.308304 (ASP) 0.8853 plastic 1.564 35.7 18.08 20 -881.057269 (ASP) 0.7562 twenty one tenth lens -14.715008 (ASP) 0.6933 plastic 1.566 37.4 -7.16 twenty two 5.688281 (ASP) 0.6000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.7153 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 1.880 mm

Table 4. Aspherical Coefficients surface 2 3 4 5 6 k = -1.322475E+00 -2.270917E+00 -1.775987E+00 -9.811049E+01 -7.523649E+01 A4 = 2.129938E-03 -5.525974E-03 -5.136355E-03 -7.469637E-03 -1.096496E-02 A6 = 9.538040E-04 1.379867E-02 1.435343E-02 2.109239E-02 2.557586E-02 A8 = -8.940143E-04 -1.231439E-02 -1.319796E-02 -2.187124E-02 -2.207761E-02 A10 = 3.252167E-04 5.561980E-03 6.165774E-03 1.066208E-02 1.040697E-02 A12 = -5.633606E-05 -1.238806E-03 -1.468501E-03 -2.787362E-03 -2.651657E-03 A14 = 2.898045E-06 1.257345E-04 1.692848E-04 3.789362E-04 3.516025E-04 A16 = 1.887489E-08 -4.527935E-06 -7.499698E-06 -2.087708E-05 -1.909139E-05 surface 7 8 9 11 12 k = -3.107942E+00 7.224937E+00 4.668831E+00 8.450085E+01 1.055436E+01 A4 = -1.234722E-02 -1.346263E-02 -2.101464E-03 -7.231190E-03 5.083365E-03 A6 = 1.259214E-02 3.100207E-03 -8.115299E-04 1.954292E-03 -3.036753E-02 A8 = -7.728981E-03 -2.553675E-03 4.828810E-04 -1.430799E-03 4.343068E-02 A10 = 3.196294E-03 9.159032E-04 -4.064997E-04 6.239089E-04 -3.458029E-02 A12 = -6.766129E-04 -8.026352E-05 2.234660E-04 -2.411237E-04 1.662194E-02 A14 = 7.415369E-05 -5.786192E-06 -4.992293E-05 7.084816E-05 -4.963382E-03 A16 = -3.448948E-06 1.165106E-06 3.951906E-06 -1.312091E-05 9.021349E-04 A18 = - - - 8.775616E-07 -9.162950E-05 A20 = - - - - 3.998799E-06 surface 13 14 15 16 17 k = 2.155096E+00 7.102844E+01 5.628502E+00 3.647295E+00 -1.903010E+01 A4 = 8.843008E-03 2.723803E-03 -1.208736E-02 -2.122879E-02 -1.326767E-02 A6 = -3.507094E-02 -1.364060E-02 -1.878105E-03 2.146321E-03 7.746263E-04 A8 = 4.111011E-02 1.078544E-02 2.390720E-03 2.675846E-04 -4.603528E-04 A10 = -2.951168E-02 -5.913365E-03 -1.549331E-03 -3.606820E-04 -1.542612E-04 A12 = 1.313149E-02 2.124006E-03 5.894332E-04 1.185348E-04 1.858398E-04 A14 = -3.650104E-03 -4.882085E-04 -1.530970E-04 -2.422485E-05 -6.855378E-05 A16 = 6.150604E-04 6.865091E-05 2.693274E-05 3.322150E-06 1.354561E-05 A18 = -5.714058E-05 -5.317168E-06 -3.047294E-06 -2.817362E-07 -1.564650E-06 A20 = 2.232669E-06 1.722126E-07 1.979010E-07 1.302711E-08 1.053628E-07 A22 = - - -5.513661E-09 -2.493054E-10 -3.822535E-09 A24 = - - - - 5.757680E-11 surface 18 19 20 twenty one twenty two k = -3.656456E+01 -1.000000E+00 -1.000000E+00 1.881513E+00 -1.356257E+00 A4 = -2.389820E-02 -4.522129E-02 -1.658082E-02 -2.900807E-02 -2.701182E-02 A6 = 1.020546E-02 1.450131E-02 1.907560E-03 4.397484E-03 5.136932E-03 A8 = -4.601177E-03 -3.691784E-03 3.622923E-04 -1.974097E-04 -7.891988E-04 A10 = 1.328875E-03 7.104035E-04 -1.284505E-04 -1.251359E-05 9.499306E-05 A12 = -2.533612E-04 -1.005029E-04 1.679627E-05 1.831005E-06 -8.695090E-06 A14 = 3.244324E-05 1.000341E-05 -1.227850E-06 -6.774125E-08 5.867326E-07 A16 = -2.786445E-06 -6.823934E-07 4.945342E-08 -1.264032E-09 -2.870451E-08 A18 = 1.576586E-07 3.139346E-08 -5.148481E-10 2.183675E-10 1.008252E-09 A20 = -5.623110E-09 -9.508236E-10 -5.552236E-11 -9.672462E-12 -2.508421E-11 A22 = 1.144785E-10 1.803564E-11 3.337886E-12 2.367302E-13 4.305181E-13 A24 = -1.014865E-12 -1.922471E-13 -8.997851E-14 -3.457671E-15 -4.841603E-15 A26 = - 8.648859E-16 1.262853E-15 2.840164E-17 3. 207957E-17 A28 = - - -7.474652E-18 -1.016175E-19 -9.487032E-20

In the second embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

second embodiment f [mm] 8.56 f/f2 0.53 Fno 1.95 f/f9 0.47 HFOV [degrees] 43.5 f/EPD 1.95 Nmax 1.686 EPD/BL 3.69 V min 18.4 BL/TD 0.14 V2 56.0 ImgH/BL 6.86 V5+V6 74.4 SD/TD 0.92 V9+V10 73.1 TD/EPD 2.00 CT2/CT3 2.38 ΣCT/TD 0.65 T34/T45 0.35 TL/f 1.17 T89/T34 0.74 TL/ImgH 1.22 T89/T78 0.25 TL [mm] 9.99 (T78+T910)/CT10 2.01 Yc102/f 0.22 |f2/f1| 0.87 ImgH [mm] 8.17

<Third embodiment>

Please refer to FIG. 5 to FIG. 6 , wherein FIG. 5 shows a schematic diagram of an imaging device according to a third embodiment of the present invention, and FIG. 6 is a diagram of spherical aberration, astigmatism and distortion curves of the third embodiment in sequence from left to right. As can be seen from FIG. 5 , the image capturing device 3 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the first lens E1, the second lens E2, the aperture ST, the third lens E3, the fourth lens E4, the diaphragm S1, the fifth lens E5, and the sixth lens along the optical route from the object side to the image side. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging plane IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging plane IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its image-side surface is concave at the near optical axis. The surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The ninth lens E9 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is plastic, and it is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 5 and Table 6 below.

Table five, the third embodiment f (focal length) = 8.26 millimeters (mm), Fno (aperture value) = 1.63, HFOV (half angle of view) = 39.9 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 first lens 3.915216 (ASP) 0.4870 plastic 1.545 56.0 22.62 2 5.487495 (ASP) 0.0890 3 second lens 5.888893 (ASP) 0.9280 plastic 1.545 56.0 14.87 4 20.389463 (ASP) -0.0240 5 aperture flat 0.4210 6 third lens 69.399360 (ASP) 0.2800 plastic 1.669 19.5 -19.45 7 10.942615 (ASP) 0.3240 8 fourth lens 6.513914 (ASP) 0.6550 plastic 1.544 56.0 12.75 9 103.549206 (ASP) 0.0350 10 aperture flat 0.5120 11 fifth lens -5.465100 (ASP) 0.1800 plastic 1.566 37.4 -112.07 12 -6.051500 (ASP) 0.3530 13 sixth lens -41.161588 (ASP) 0.3290 plastic 1.660 20.4 10.57 14 -5.984500 (ASP) 0.0500 15 seventh lens -6.017000 (ASP) 0.2740 plastic 1.660 20.4 -7.03 16 20.690559 (ASP) 0.2010 17 eighth lens -8.922722 (ASP) 0.6930 plastic 1.544 56.0 9.92 18 -3.455080 (ASP) 0.1140 19 ninth lens 20.363621 (ASP) 0.8800 plastic 1.669 19.5 -114.09 20 15.796547 (ASP) 0.9000 twenty one tenth lens 7.705553 (ASP) 0.7930 plastic 1.544 56.0 -7.82 twenty two 2.640792 (ASP) 0.8000 twenty three filter element flat 0.4200 plastic 1.544 56.0 - twenty four flat 0.6085 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 2.300 mm

Table 6. Aspheric coefficients surface 1 2 3 4 6 k = -6.314559E-01 -6.271914E-01 2.084682E+00 5.493979E+01 9.000000E+01 A4 = -2.741777E-03 -1.008686E-02 -9.119547E-03 -4.672870E-03 -8.845852E-03 A6 = 6.995220E-04 4.555621E-03 4.189294E-03 3.016947E-04 1.710170E-03 A8 = -3.411525E-04 -1.363890E-03 -1.174728E-03 -3.223151E-04 -2.108555E-04 A10 = 4.995106E-05 2.909490E-04 2.595855E-04 6.621464E-05 5.825233E-05 A12 = -4.772775E-06 -3.573189E-05 -3.252407E-05 -4.907226E-06 -3.909367E-06 A14 = 2.125485E-07 1.699479E-06 1.432005E-06 0.000000E+00 -4.433636E-08 surface 7 8 9 11 12 k = -2.976859E+01 -1.588839E+01 3.383414E+01 -2.902372E-01 1.132726E+00 A4 = -8.438358E-03 -1.158720E-03 -4.087094E-03 -3.106785E-06 -2.711913E-04 A6 = 1.407088E-03 -1.393023E-03 -1.456882E-03 -7.633077E-05 4.441682E-05 A8 = 1.227606E-04 -1.258772E-07 1.355436E-04 1.658392E-06 -2.458957E-06 A10 = -2.250843E-05 7.457765E-08 -8.075493E-05 3.649048E-06 -2.825677E-06 A12 = 5.639570E-06 3.927212E-06 2.086967E-05 1.809059E-16 -2.307270E-16 A14 = -1.682513E-07 -1.404032E-07 -1.589591E-06 3.164451E-08 -3.992677E-08 surface 13 14 15 16 17 k = -9.000000E+01 2.247460E-01 1.775548E-02 4.159403E+01 9.136284E+00 A4 = -1.768873E-02 -2.676548E-04 4.708714E-05 -2.225701E-02 -1.524652E-02 A6 = -3.300040E-03 -3.099053E-06 -1.570132E-05 -3.568965E-03 6.389601E-03 A8 = 2.664723E-03 9.201344E-07 -3.120251E-06 4.472182E-03 1.079874E-03 A10 = -1.188430E-03 1.523524E-07 -4.416529E-07 -1.793133E-03 -1.055883E-03 A12 = 2.912892E-04 -4.339363E-09 -9.456102E-09 3.514906E-04 2.401145E-04 A14 = -3.595735E-05 - - -3.417306E-05 -2.460835E-05 A16 = 1.751509E-06 - - 1.319986E-06 9.809203E-07 surface 18 19 20 twenty one twenty two k = -1.037686E+00 1.229703E+01 -7.642840E+00 -4.559653E+00 -5.632337E+00 A4 = 1.434782E-02 2.352303E-02 6.666439E-03 -4.645464E-02 -2.353274E-02 A6 = -3.843690E-03 -1.259247E-02 -2.779619E-03 7.403054E-03 4.130416E-03 A8 = 8.545744E-04 3.229943E-03 1.900991E-04 -1.090436E-03 -6.014629E-04 A10 = -3.906695E-05 -6.217201E-04 2.562712E-05 1.276717E-04 6.513436E-05 A12 = -1.943747E-05 8.479526E-05 -7.098738E-06 -8.711592E-06 -4.969515E-06 A14 = 2.964716E-06 -7.632130E-06 7.354156E-07 2.402030E-07 2.617017E-07 A16 = -1.212972E-07 3.920922E-07 -4.142181E-08 6.241164E-09 -9.310803E-09 A18 = - -8.484735E-09 1.254133E-09 -6.527857E-10 2.140859E-10 A20 = - - -1.598061E-11 1.782577E-11 -2.883344E-12 A22 = - - - -1.726728E-13 1.737479E-14

In the third embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

third embodiment f [mm] 8.26 f/f2 0.56 Fno 1.63 f/f9 -0.07 HFOV [degrees] 39.9 f/EPD 1.63 Nmax 1.669 EPD/BL 2.77 V min 19.5 BL/TD 0.22 V2 56.0 ImgH/BL 3.76 V5+V6 57.8 SD/TD 0.83 V9+V10 75.5 TD/EPD 1.67 CT2/CT3 3.31 ΣCT/TD 0.65 T34/T45 0.59 TL/f 1.25 T89/T34 0.35 TL/ImgH 1.50 T89/T78 0.57 TL [mm] 10.30 (T78+T910)/CT10 1.39 Yc102/f 0.27 |f2/f1| 0.66 ImgH [mm] 6.87

<Fourth embodiment>

Please refer to FIG. 7 to FIG. 8 , wherein FIG. 7 shows a schematic diagram of an imaging device according to a fourth embodiment of the present invention, and FIG. 8 is a diagram of spherical aberration, astigmatism and distortion curves of the fourth embodiment in order from left to right. As can be seen from FIG. 7 , the image capturing device 4 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the first lens E1, the aperture ST, the second lens E2, the third lens E3, the fourth lens E4, the diaphragm S1, the fifth lens E5, and the sixth lens along the optical path from the object side to the image side. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging plane IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging plane IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The sixth lens E6 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its image-side surface is concave at the near optical axis. The surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The ninth lens E9 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 7 and Table 8 below.

Table seven, the fourth embodiment f (focal length) = 8.05 millimeters (mm), Fno (aperture value) = 1.63, HFOV (half angle of view) = 39.7 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 first lens 4.182918 (ASP) 0.4150 plastic 1.545 56.0 27.63 2 5.590409 (ASP) 0.6540 3 aperture flat -0.5500 4 second lens 6.024501 (ASP) 0.8500 plastic 1.545 56.0 9.85 5 -46.483522 (ASP) 0.0730 6 third lens -47.565466 (ASP) 0.2800 plastic 1.669 19.5 -19.20 7 17.642962 (ASP) 0.4200 8 fourth lens 9.407680 (ASP) 0.4850 plastic 1.544 56.0 30.21 9 21.599204 (ASP) -0.1840 10 aperture flat 0.6540 11 fifth lens -6.667700 (ASP) 0.2800 plastic 1.566 37.4 -137.70 12 -7.402100 (ASP) 0.4000 13 sixth lens 100.089067 (ASP) 0.2760 plastic 1.660 20.4 14.20 14 -10.325100 (ASP) 0.1000 15 seventh lens -11.256900 (ASP) 0.3610 plastic 1.660 20.4 -10.57 16 18.587611 (ASP) 0.3050 17 eighth lens -9.564991 (ASP) 0.7290 plastic 1.544 56.0 7.82 18 -3.025011 (ASP) 0.3910 19 ninth lens -39.525692 (ASP) 0.8500 plastic 1.669 19.5 -27.37 20 34.423726 (ASP) 0.8800 twenty one tenth lens 13.421855 (ASP) 1.0500 plastic 1.544 56.0 -6.78 twenty two 2.814694 (ASP) 0.8000 twenty three filter element flat 0.4200 Glass 1.517 64.2 - twenty four flat 0.3635 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 2.300 mm

Table 8. Aspheric coefficients surface 1 2 4 5 6 k = -4.909841E-01 -5.553988E-01 2.272662E+00 -9.000000E+01 -2.330475E+01 A4 = -6.453834E-03 -1.885958E-02 -1.500221E-02 1.040247E-02 1.021339E-02 A6 = 3.148127E-03 1.114241E-02 9.682356E-03 -8.491658E-03 -1.386002E-02 A8 = -1.499032E-03 -4.260877E-03 -3.710565E-03 2.715768E-03 6.332452E-03 A10 = 3.885068E-04 1.072213E-03 9.360889E-04 -4.327312E-04 -1.429332E-03 A12 = -4.932672E-05 -1.392989E-04 -1.274188E-04 2.818076E-05 1.665794E-04 A14 = 2.252770E-06 6.712457E-06 6.809639E-06 - -7.836771E-06 surface 7 8 9 11 12 k = -7.475164E+01 -4.745185E+01 -9.000000E+01 1.436488E+00 2.012110E+00 A4 = -2.422253E-03 -4.599310E-03 -9.303034E-03 -1.403530E-03 -1.488512E-03 A6 = -5.654965E-03 -4.606895E-03 -3.061220E-03 -7.491454E-04 8.483159E-05 A8 = 3.537930E-03 1.928342E-03 8.970527E-04 -5.145930E-06 -3.238454E-05 A10 = -8.768725E-04 -4.542311E-04 -2.108903E-04 9.922056E-06 -8.663146E-06 A12 = 1.081911E-04 5.814156E-05 2.968060E-05 7.038950E-14 1.903300E-07 A14 = -5.136353E-06 -3.314966E-06 -1.878779E-06 9.316036E-08 -8.304096E-08 surface 13 14 15 16 17 k = 1.859425E+00 5.081663E+00 4.344802E+00 4.025485E+01 9.918947E+00 A4 = -1.686439E-02 -1.981914E-03 -1.023280E-03 -1.415355E-02 7.310115E-03 A6 = 1.252812E-05 -1.183395E-04 -1.395301E-04 -8.128491E-04 -7.832244E-03 A8 = 7.536997E-04 -2.737362E-06 -2.092115E-05 7.298160E-04 2.871069E-03 A10 = -5.484827E-04 -1.613707E-08 -2.771201E-06 -2.554428E-04 -5.488602E-04 A12 = 1.520924E-04 -1.426406E-07 -2.595008E-07 4.364565E-05 6.811930E-05 A14 = -1.986347E-05 -1.211804E-15 1.530390E-15 -3.992242E-06 -5.562289E-06 A16 = 9.996791E-07 - - 1.521910E-07 2.120088E-07 surface 18 19 20 twenty one twenty two k = -1.099728E+00 -9.000000E+01 3.047385E+01 -3.515710E-01 -8.361251E+00 A4 = 3.842552E-02 4.404511E-02 1.704753E-02 -4.229862E-02 -1.357648E-02 A6 = -2.667281E-02 -2.775944E-02 -7.074338E-03 1.098297E-02 2.574522E-03 A8 = 1.001771E-02 9.867781E-03 1.063338E-03 -2.671536E-03 -4.284599E-04 A10 = -2.459056E-03 -2.536286E-03 -5.990031E-05 4.304134E-04 4.999930E-05 A12 = 4.178645E-04 4.689995E-04 -4.169698E-06 -4.282345E-05 -3.954730E-06 A14 = -4.571455E-05 -5.974944E-05 9.190641E-07 2.689054E-06 2.092884E-07 A16 = 2.791168E-06 4.874057E-06 -6.447850E-08 -1.073959E-07 -7.254996E-09 A18 = -7.089560E-08 -2.270202E-07 2.232910E-09 2.651217E-09 1.573415E-10 A20 = - 4.565949E-09 -3.605315E-11 -3.687451E-11 -1.930083E-12 A22 = - - 1.806011E-13 2. 202800E-13 1.019917E-14

In the fourth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Fourth embodiment f [mm] 8.05 f/f2 0.82 Fno 1.63 f/f9 -0.29 HFOV [degrees] 39.7 f/EPD 1.63 Nmax 1.669 EPD/BL 3.12 V min 19.5 BL/TD 0.18 V2 56.0 ImgH/BL 4.34 V5+V6 57.8 SD/TD 0.88 V9+V10 75.5 TD/EPD 1.77 CT2/CT3 3.04 ΣCT/TD 0.64 T34/T45 0.89 TL/f 1.28 T89/T34 0.93 TL/ImgH 1.50 T89/T78 1.28 TL [mm] 10.30 (T78+T910)/CT10 1.13 Yc102/f 0.33 |f2/f1| 0.36 ImgH [mm] 6.87

<Fifth Embodiment>

Please refer to FIG. 9 to FIG. 10 , wherein FIG. 9 shows a schematic diagram of an imaging device according to a fifth embodiment of the present invention, and FIG. 10 is the spherical aberration, astigmatism and distortion curves of the fifth embodiment in sequence from left to right. As can be seen from FIG. 9 , the image capturing device 5 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the first lens E1, the aperture ST, the second lens E2, the third lens E3, the fourth lens E4, the diaphragm S1, the fifth lens E5, and the sixth lens along the optical path from the object side to the image side. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging plane IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its image-side surface is concave at the near optical axis. The surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The ninth lens E9 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 9 and Table 10 below.

Table nine, the fifth embodiment f (focal length) = 7.70 millimeters (mm), Fno (aperture value) = 1.72, HFOV (half angle of view) = 39.5 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 first lens 3.785968 (ASP) 0.4050 plastic 1.545 56.0 31.22 2 4.686665 (ASP) 0.6060 3 aperture flat -0.5500 4 second lens 5.217270 (ASP) 0.7370 plastic 1.544 56.0 10.39 5 64.207101 (ASP) 0.0700 6 third lens 63.472768 (ASP) 0.2800 plastic 1.700 17.0 -19.45 7 11.190089 (ASP) 0.3120 8 fourth lens 6.426084 (ASP) 0.4810 plastic 1.544 56.0 23.51 9 12.571418 (ASP) -0.1920 10 aperture flat 0.6620 11 fifth lens -6.564815 (ASP) 0.2800 plastic 1.566 37.4 88.26 12 -5.891820 (ASP) 0.4000 13 sixth lens -35.687835 (ASP) 0.5290 plastic 1.660 20.4 88.90 14 -22.320426 (ASP) 0.1000 15 seventh lens -32.318453 (ASP) 0.3090 plastic 1.566 37.4 -20.14 16 17.672079 (ASP) 0.2860 17 eighth lens -9.760351 (ASP) 0.6210 plastic 1.544 56.0 7.20 18 -2.857642 (ASP) 0.3200 19 ninth lens 196.614990 (ASP) 0.8000 plastic 1.680 18.2 -22.56 20 14.207020 (ASP) 0.8800 twenty one tenth lens 13.733809 (ASP) 0.8500 plastic 1.535 56.3 -6.93 twenty two 2.855777 (ASP) 0.8000 twenty three filter element flat 0.4200 Glass 1.517 64.2 - twenty four flat 0.3953 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 2.300 mm

Table 10. Aspherical Coefficients surface 1 2 4 5 6 k = -5.921430E-01 -6.892437E-01 2.420242E+00 -5.799877E+00 8.249136E+01 A4 = -3.627667E-03 -1.220703E-02 -8.926584E-03 2.497540E-02 2.015699E-02 A6 = 7.078149E-04 1.284510E-03 2.962396E-04 -2.563169E-02 -2.900243E-02 A8 = -3.082606E-04 8.890238E-04 8.774004E-04 1.094321E-02 1.492674E-02 A10 = 9.126700E-05 -9.800013E-05 -3.729816E-05 -2.443711E-03 -3.866838E-03 A12 = -1.708061E-05 -2.119425E-05 -3.612934E-05 2.763995E-04 5.121164E-04 A14 = 1.048698E-06 2.198858E-06 4.022689E-06 -1.190381E-05 -2.728727E-05 A16 = - 1.997664E-08 - - - surface 7 8 9 11 12 k = -5.495077E+01 -4.594177E+01 -8.499176E+01 2.522757E+00 1.440036E+00 A4 = 8.988537E-04 5.285122E-03 -5.052828E-03 -3.321248E-03 -2.172312E-03 A6 = -1.139061E-02 -1.153064E-02 -5.153991E-03 -1.353340E-03 -1.122126E-03 A8 = 7.849162E-03 4.745631E-03 1.233826E-03 -2.244890E-04 8.127220E-04 A10 = -2.413752E-03 -1.281975E-03 -3.041223E-04 6.763216E-04 1.861435E-04 A12 = 3.702358E-04 1.983856E-04 5.158576E-05 -3.059503E-04 -1.815500E-04 A14 = -2.209110E-05 -1.275548E-05 -3.430603E-06 5.449682E-05 3.504723E-05 A16 = - - - -3.407601E-06 -2.198007E-06 surface 13 14 15 16 17 k = 5.523191E+01 3.981942E+01 3.676339E+01 3.936373E+01 1.057795E+01 A4 = -1.380578E-02 7.532198E-03 1.579028E-02 -3.660869E-03 1.345984E-02 A6 = -5.778171E-04 -1.238503E-02 -2.018217E-02 -1.231920E-02 -9.728839E-03 A8 = -2.115958E-05 5.074429E-03 1.058872E-02 6.969031E-03 3.462963E-03 A10 = 2.160641E-04 -1.323569E-03 -3.206762E-03 -2.032723E-03 -7.633833E-04 A12 = -8.298909E-05 2.106208E-04 5.538779E-04 3.253459E-04 9.031053E-05 A14 = 1.014173E-05 -1.888979E-05 -5.105978E-05 -2.794971E-05 -4.833516E-06 A16 = -3.651152E-07 7.397747E-07 1.930927E-06 1.005258E-06 7.621313E-08 surface 18 19 20 twenty one twenty two k = -1.340872E+00 -4.843634E+01 -9.000000E+01 -9.997663E-02 -6.619517E+00 A4 = 3.624345E-02 3.458124E-02 1.680782E-02 -4.325222E-02 -2.221039E-02 A6 = -2.194595E-02 -2.506930E-02 -8.659431E-03 1.172891E-02 5.645431E-03 A8 = 7.816569E-03 9.381907E-03 1.841459E-03 -3.276202E-03 -1.218254E-03 A10 = -1.664163E-03 -2.556397E-03 -2.610537E-04 6.321314E-04 1.839178E-04 A12 = 1.803040E-04 4.994223E-04 2.795728E-05 -7.870869E-05 -1.903350E-05 A14 = -2.208087E-06 -6.694720E-05 -2.401984E-06 6.576060E-06 1.355974E-06 A16 = -1.517224E-06 5.714640E-06 1.596083E-07 -3.776245E-07 -6.636712E-08 A18 = 1.396520E-07 -2.725491E-07 -7.350217E-09 1.479845E-08 2.189298E-09 A20 = -3.916003E-09 4.843231E-09 2.005518E-10 -3.786164E-10 -4.641442E-11 A22 = - 4.784684E-11 -2.390396E-12 5.692927E-12 5.694929E-13 A24 = - - - -3.807110E-14 -3.062417E-15

In the fifth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

fifth embodiment f [mm] 7.70 f/f2 0.74 Fno 1.72 f/f9 -0.34 HFOV [degrees] 39.5 f/EPD 1.72 Nmax 1.700 EPD/BL 2.77 V min 17.0 BL/TD 0.20 V2 56.0 ImgH/BL 4.01 V5+V6 57.8 SD/TD 0.88 V9+V10 74.5 TD/EPD 1.83 CT2/CT3 2.63 ΣCT/TD 0.65 T34/T45 0.66 TL/f 1.27 T89/T34 1.03 TL/ImgH 1.51 T89/T78 1.12 TL [mm] 9.80 (T78+T910)/CT10 1.37 Yc102/f 0.31 |f2/f1| 0.33 ImgH [mm] 6.48

<Sixth embodiment>

Please refer to FIG. 11 to FIG. 12 , wherein FIG. 11 shows a schematic diagram of an imaging device according to a sixth embodiment of the present invention, and FIG. 12 is a diagram of spherical aberration, astigmatism and distortion curves of the sixth embodiment in order from left to right. As can be seen from FIG. 11 , the image capturing device 6 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the first lens E1, the aperture ST, the second lens E2, the third lens E3, the fourth lens E4, the diaphragm S1, the fifth lens E5, and the sixth lens along the optical path from the object side to the image side. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging plane IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging plane IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its image-side surface is concave at the near optical axis. The surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The ninth lens E9 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 11 and Table 12 below.

Table eleven, the sixth embodiment f (focal length) = 7.31 millimeters (mm), Fno (aperture value) = 1.75, HFOV (half angle of view) = 41.0 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 first lens 6.767950 (ASP) 0.2800 plastic 1.545 56.0 -227.54 2 6.323841 (ASP) 0.6000 3 aperture flat -0.5500 4 second lens 4.121187 (ASP) 0.7990 plastic 1.545 56.0 8.04 5 64.890469 (ASP) 0.0800 6 third lens 60.506688 (ASP) 0.2800 plastic 1.680 18.2 -21.68 7 11.831995 (ASP) 0.3310 8 fourth lens 6.778348 (ASP) 0.5280 plastic 1.544 56.0 23.90 9 13.770213 (ASP) -0.2350 10 aperture flat 0.7050 11 fifth lens -6.317631 (ASP) 0.2800 plastic 1.566 37.4 66.85 12 -5.500523 (ASP) 0.3990 13 sixth lens -37.711639 (ASP) 0.5360 plastic 1.660 20.4 3511.08 14 -37.317401 (ASP) 0.1000 15 seventh lens -64.005040 (ASP) 0.2490 plastic 1.566 37.4 -24.44 16 17.670324 (ASP) 0.2780 17 eighth lens -9.947466 (ASP) 0.9860 plastic 1.544 56.0 6.12 18 -2.580451 (ASP) 0.2910 19 ninth lens 37.441000 (ASP) 0.8020 plastic 1.680 18.2 -16.56 20 8.581523 (ASP) 0.8800 twenty one tenth lens 11.182842 (ASP) 0.8800 plastic 1.535 56.3 -6.97 twenty two 2.719358 (ASP) 0.8000 twenty three filter element flat 0.4200 Glass 1.517 64.2 - twenty four flat 0.2825 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 2.300 mm

Table 12. Aspheric coefficients surface 1 2 4 5 6 k = -2.517664E-01 -1.060441E+00 1.671374E+00 4.771147E+01 -5.019401E+01 A4 = -7.010205E-03 -1.820251E-02 -1.369569E-02 2.707437E-02 2.783034E-02 A6 = 1.604882E-03 9.759619E-03 6.509833E-03 -3.655199E-02 -4.354294E-02 A8 = 2.716907E-05 -2.228366E-03 -1.874901E-03 2.152652E-02 2.779496E-02 A10 = -9.284328E-05 2.792969E-04 2.965394E-04 -7.281867E-03 -9.900492E-03 A12 = 1.376468E-05 -2.816893E-05 -2.283211E-05 1.480178E-03 2.057666E-03 A14 = -6.579872E-07 2.239665E-06 -6.303287E-07 -1.694519E-04 -2.341595E-04 A16 = - -9.616101E-08 1.707452E-07 8.553991E-06 1.141250E-05 surface 7 8 9 11 12 k = -5.366241E+01 -4.379441E+01 -8.769689E+01 2.878145E+00 1.290574E+00 A4 = 6.766004E-03 4.100946E-03 -4.784157E-03 4.682197E-04 1.763525E-03 A6 = -1.937250E-02 -9.906663E-03 -4.815519E-03 -4.599876E-03 -4.360653E-03 A8 = 1.416734E-02 3.915136E-03 1.051153E-03 1.609094E-03 2.191052E-03 A10 = -5.493263E-03 -1.030401E-03 -2.691329E-04 -3.119914E-04 -4.202247E-04 A12 = 1.225804E-03 1.620641E-04 4.095641E-05 2.263162E-05 2.562866E-05 A14 = -1.469650E-04 -1.287746E-05 -2.314618E-06 2.993168E-07 -1.871730E-07 A16 = 7.489476E-06 2.994813E-07 - - - surface 13 14 15 16 17 k = 9.000000E+01 9.000000E+01 9.000000E+01 3.887985E+01 1.065470E+01 A4 = -1.271542E-02 8.740802E-04 5.149135E-03 -6.471106E-03 5.271729E-03 A6 = -3.315008E-03 -6.362868E-03 -7.974674E-03 -2.679032E-03 1.241537E-03 A8 = 1.548762E-03 1.905174E-03 2.774885E-03 5.744834E-04 -1.597713E-03 A10 = -4.081181E-04 -3.182404E-04 -5.322931E-04 -8.106137E-05 3.611137E-04 A12 = 7.548849E-05 2.545367E-05 4.979348E-05 5.379203E-06 -3.922637E-05 A14 = -1.156512E-05 -6.831278E-07 -1.896882E-06 -1.740998E-07 2.537692E-06 A16 = 8.397927E-07 - - -2.036109E-09 -8.340226E-08 surface 18 19 20 twenty one twenty two k = -1.130232E+00 8.575521E+01 -6.463571E+01 -1.760138E+00 -4.481060E+00 A4 = 2.888106E-02 2.525582E-02 1.513213E-02 -4.123215E-02 -2.523269E-02 A6 = -1.695002E-02 -1.808870E-02 -6.720477E-03 9.185213E-03 5.775759E-03 A8 = 7.378338E-03 7.844299E-03 1.312209E-03 -1.963153E-03 -9.624244E-04 A10 = -2.515450E-03 -3.113924E-03 -1.996040E-04 2.779036E-04 9.748498E-05 A12 = 6.206500E-04 1.008795E-03 2.653681E-05 -2.121190E-05 -4.504762E-06 A14 = -1.074635E-04 -2.436463E-04 -2.842159E-06 5.775909E-07 -1.522538E-07 A16 = 1.264063E-05 4.171017E-05 2.135794E-07 3.508959E-08 3.666695E-08 A18 = -9.470398E-07 -4.861819E-06 -1.011215E-08 -3.838345E-09 -2.521769E-09 A20 = 4.020389E-08 3.642551E-07 2.672688E-10 1.526231E-10 9.611950E-11 A22 = -7.297441E-10 -1.573469E-08 -2.990971E-12 -2.970366E-12 -2.164222E-12 A24 = - 2.967202E-10 - 2.349642E-14 2.699928E-14 A26 = - - - - -1.443049E-16

In the sixth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Sixth embodiment f [mm] 7.31 f/f2 0.91 Fno 1.75 f/f9 -0.44 HFOV [degrees] 41.0 f/EPD 1.75 Nmax 1.680 EPD/BL 2.78 V min 18.2 BL/TD 0.18 V2 56.0 ImgH/BL 4.31 V5+V6 57.8 SD/TD 0.90 V9+V10 74.5 TD/EPD 2.04 CT2/CT3 2.85 ΣCT/TD 0.66 T34/T45 0.70 TL/f 1.37 T89/T34 0.88 TL/ImgH 1.54 T89/T78 1.05 TL [mm] 10.00 (T78+T910)/CT10 1.32 Yc102/f 0.36 |f2/f1| 0.04 ImgH [mm] 6.48

<Seventh embodiment>

Please refer to FIG. 13 to FIG. 14 , wherein FIG. 13 is a schematic diagram of an imaging device according to a seventh embodiment of the present invention, and FIG. 14 is a diagram of spherical aberration, astigmatism and distortion curves of the seventh embodiment from left to right. As can be seen from FIG. 13 , the image capturing device 7 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group sequentially includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens E6, the The seventh lens E7, the eighth lens E8, the diaphragm S1, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, and both surfaces are aspherical.

The fourth lens E4 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has a negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 13 and Table 14 below.

Table 13, the seventh embodiment f (focal length) = 8.73 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 43.1 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.6570 2 first lens 3.439400 (ASP) 0.5950 plastic 1.545 56.1 17.69 3 5.020900 (ASP) 0.0550 4 second lens 5.001500 (ASP) 0.7420 plastic 1.544 56.0 16.52 5 10.686000 (ASP) 0.0500 6 third lens 10.218200 (ASP) 0.3100 plastic 1.686 18.4 -24.91 7 6.316300 (ASP) 0.2060 8 fourth lens 7.036500 (ASP) 0.4860 plastic 1.544 56.0 23.67 9 15.137600 (ASP) 0.5940 10 fifth lens -22.592300 (ASP) 0.4900 plastic 1.544 56.0 28.59 11 -9.281800 (ASP) 0.0500 12 sixth lens -11.555200 (ASP) 0.3600 plastic 1.686 18.4 -31.60 13 -25.052900 (ASP) 0.6800 14 seventh lens 13.940300 (ASP) 0.4400 plastic 1.660 20.4 -38.61 15 8.897600 (ASP) 0.5960 16 eighth lens 6.664100 (ASP) 0.7350 plastic 1.686 18.4 62.54 17 7.535400 (ASP) -1.5200 18 aperture flat 1.6000 19 ninth lens 6.335400 (ASP) 0.6480 plastic 1.566 37.4 33.37 20 9.180800 (ASP) 0.9700 twenty one tenth lens -15.304300 (ASP) 0.7510 plastic 1.566 37.4 -8.05 twenty two 6.602000 (ASP) 0.6000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.3330 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 18 (stop S1) is 4.571 mm

Table 14. Aspheric Coefficients surface 2 3 4 5 6 k = -1.322470E+00 -2.201140E+00 -1.769220E+00 -9.889140E+01 -7.458160E+01 A4 = 2.131142E-03 -5.457443E-03 -5.131432E-03 -7.409284E-03 -1.099455E-02 A6 = 9.586750E-04 1.382269E-02 1.435621E-02 2.111515E-02 2.554586E-02 A8 = -8.907957E-04 -1.230915E-02 -1.319485E-02 -2.186584E-02 -2.208361E-02 A10 = 3.258332E-04 5.563312E-03 6.166086E-03 1.066278E-02 1.040695E-02 A12 = -5.622250E-05 -1.238552E-03 -1.468503E-03 -2.787053E-03 -2.651452E-03 A14 = 2.919193E-06 1.257367E-04 1.693468E-04 3.790111E-04 3.513974E-04 A16 = 1.911847E-08 -4.531187E-06 -7.498732E-06 -2.091148E-05 -1.910003E-05 surface 7 8 9 10 11 k = -3.074130E+00 7.424700E+00 5.390410E+00 8.938810E+01 1.176040E+01 A4 = -1.232973E-02 -1.342757E-02 -2.057245E-03 -7.395165E-03 5.474520E-03 A6 = 1.258849E-02 3.223563E-03 -8.766859E-04 1.802069E-03 -3.035062E-02 A8 = -7.723156E-03 -2.525218E-03 4.735419E-04 -1.465390E-03 4.343481E-02 A10 = 3.199133E-03 9.165037E-04 -4.074349E-04 6.226547E-04 -3.457959E-02 A12 = -6.764990E-04 -8.148573E-05 2.228426E-04 -2.406186E-04 1.662179E-02 A14 = 7.333921E-05 -6.466006E-06 -5.015298E-05 7.106924E-05 -4.963361E-03 A16 = -3.448948E-06 1.165106E-06 3.951906E-06 -1.312091E-05 9.021294E-04 A18 = - - - 8.775616E-07 -9.162950E-05 A20 = - - - - 3.998799E-06 surface 12 13 14 15 16 k = 2.686030E+00 8.683650E+01 9.065480E+00 1.027120E+00 -1.719350E+01 A4 = 8.827925E-03 3.162373E-03 -1.405573E-02 -2.969511E-02 -1.311496E-02 A6 = -3.500701E-02 -1.367350E-02 -1.201882E-03 7.072629E-03 2.020988E-03 A8 = 4.112341E-02 1.078051E-02 3.567081E-03 -1.618125E-03 -1.187076E-03 A10 = -2.950987E-02 -5.913167E-03 -2.790454E-03 1.806612E-04 8.402726E-05 A12 = 1.313166E-02 2.124234E-03 1.189035E-03 -3.127730E-06 1.390610E-04 A14 = -3.650130E-03 -4.881565E-04 -3.258829E-04 -2.810407E-06 -6.601404E-05 A16 = 6.150486E-04 6.865918E-05 5.808066E-05 5.568178E-07 1.449077E-05 A18 = -5.714453E-05 -5.316580E-06 -6.494911E-06 -4.716688E-08 -1.794092E-06 A20 = 2.232669E-06 1.722084E-07 4.122067E-07 1.729835E-09 1.279075E-07 A22 = - - -1.123291E-08 -1.892390E-11 -4.895185E-09 A24 = - - - - 7.785383E-11 surface 17 19 20 twenty one twenty two k = -3.060780E+01 -1.552060E+00 -4.559300E-01 2.746920E+00 -1.025610E+00 A4 = -2.246572E-02 -4.348581E-02 -1.817492E-02 -3.169393E-02 -3.206020E-02 A6 = 1.211077E-02 1.294548E-02 -8.276637E-04 4.960856E-03 6.456382E-03 A8 = -6.266142E-03 -3.732047E-03 1.801337E-03 -2.030431E-04 -1.026475E-03 A10 = 1.945224E-03 8.877374E-04 -5.222836E-04 -2.298156E-05 1.275253E-04 A12 = -3.885467E-04 -1.538232E-04 8.394072E-05 3.453817E-06 -1.223796E-05 A14 = 5.162573E-05 1.820612E-05 -8.916987E-06 -1.991184E-07 8.823822E-07 A16 = -4.597011E-06 -1.451948E-06 6.642306E-07 5.633228E-09 -4.678566E-08 A18 = 2.707771E-07 7.780685E-08 -3.536285E-08 -3.311190E-11 1.797250E-09 A20 = -1.012179E-08 -2.761380E-09 1.340124E-09 -3.192728E-12 -4.916972E-11 A22 = 2.176186E-10 6.224116E-11 -3.525008E-11 1.207365E-13 9.310332E-13 A24 = -2.051703E-12 -8.067764E-13 6.095323E-13 -2.090248E-15 -1.157374E-14 A26 = - 4.578248E-15 -6.198988E-15 1.892923E-17 8.485985E-17 A28 = - - 2.791381E-17 -7.271184E-20 -2.778722E-19

In the seventh embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Seventh embodiment f [mm] 8.73 f/f2 0.53 Fno 1.95 f/f9 0.26 HFOV [degrees] 43.1 f/EPD 1.95 Nmax 1.686 EPD/BL 3.92 V min 18.4 BL/TD 0.13 V2 56.0 ImgH/BL 7.26 V5+V6 74.4 SD/TD 0.93 V9+V10 74.8 TD/EPD 1.97 CT2/CT3 2.39 ΣCT/TD 0.63 T34/T45 0.35 TL/f 1.14 T89/T34 0.39 TL/ImgH 1.20 T89/T78 0.13 TL [mm] 9.98 (T78+T910)/CT10 2.09 Yc102/f 0.16 |f2/f1| 0.93 ImgH [mm] 8.30

<Eighth embodiment>

Please refer to FIG. 15 to FIG. 16 , wherein FIG. 15 shows a schematic diagram of an imaging device according to an eighth embodiment of the present invention, and FIG. 16 is a diagram of spherical aberration, astigmatism and distortion curves of the eighth embodiment from left to right. As can be seen from FIG. 15 , the image capturing device 8 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group sequentially includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens E6, the Seventh lens E7, diaphragm S1, eighth lens E8, ninth lens E9, tenth lens E10, filter element E11 and imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, and both surfaces are aspherical.

The fourth lens E4 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fifth lens E5 has negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The sixth lens E6 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The seventh lens E7 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 15 and Table 16 below.

Table fifteen, the eighth embodiment f (focal length) = 8.69 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 42.5 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.8135 2 first lens 3.193944 (ASP) 0.9593 plastic 1.545 56.1 18.22 3 4.210212 (ASP) 0.0473 4 second lens 4.096694 (ASP) 0.4013 plastic 1.544 56.0 15.88 5 7.521546 (ASP) 0.3263 6 third lens 11.977749 (ASP) 0.3150 plastic 1.686 18.4 -40.64 7 8.289083 (ASP) 0.2736 8 fourth lens 49.747445 (ASP) 0.6788 plastic 1.544 56.0 13.99 9 -8.944735 (ASP) 0.1286 10 fifth lens -6.820608 (ASP) 0.3900 plastic 1.686 18.4 -21.85 11 -12.803633 (ASP) 0.1249 12 sixth lens -45.235323 (ASP) 0.3813 plastic 1.686 18.4 -1459.03 13 -47.538728 (ASP) 0.7830 14 seventh lens 15.654243 (ASP) 0.4301 plastic 1.686 18.4 638.78 15 16.052597 (ASP) -0.7620 16 aperture flat 1.2500 17 eighth lens 5.234347 (ASP) 0.5200 plastic 1.534 56.0 -37.91 18 4.015545 (ASP) 0.1996 19 ninth lens 3.712318 (ASP) 0.6400 plastic 1.587 28.3 18.99 20 5.209726 (ASP) 1.1285 twenty one tenth lens -14.593679 (ASP) 0.7000 plastic 1.587 28.3 -8.18 twenty two 7.286818 (ASP) 0.6000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.2581 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 16 (stop S1) is 3.608 mm

Table 16. Aspheric Coefficients surface 2 3 4 5 6 k = -7.520444E-01 -2.488124E+01 -2.472548E+01 1.721271E+00 1.453728E+01 A4 = 2.803148E-03 1.747589E-02 1.909402E-02 -6.728071E-03 -1.899253E-02 A6 = 2.736732E-04 -1.033922E-02 -1.080944E-02 4.571436E-03 3.413583E-03 A8 = 9.295191E-06 1.564700E-03 2.099994E-03 -2.356244E-03 7.425339E-05 A10 = -2.682257E-05 1.156665E-04 9.523547E-05 1.356965E-03 -1.451294E-04 A12 = 8.857666E-06 -5.429871E-05 -8.326364E-05 -4.498144E-04 -1.617012E-05 A14 = -1.286322E-06 3.571128E-06 1.385193E-05 7.906984E-05 2.059212E-05 A16 = -3.392850E-08 2.194789E-08 -9.448838E-07 -5.054072E-06 -2.245988E-06 surface 7 8 9 10 11 k = 1.453728E+01 -9.900000E+01 1.150071E+01 5.967275E+00 1.440466E+01 A4 = -1.899253E-02 -8.797193E-04 1.560561E-02 2.553663E-02 2.791505E-02 A6 = 3.413583E-03 -4.820030E-03 -3.922726E-02 -5.762076E-02 -4.932389E-02 A8 = 7.425339E-05 2.890751E-03 3.741920E-02 5.492132E-02 4.173784E-02 A10 = -1.451294E-04 -1.404785E-03 -2.042627E-02 -3.010918E-02 -2.051721E-02 A12 = -1.617012E-05 2.877600E-04 6.403222E-03 1.153614E-02 6.398176E-03 A14 = 2.059212E-05 -4.197095E-06 -1.025342E-03 -5.098886E-03 -1.679933E-03 A16 = -2.245988E-06 -7.325398E-06 2.476947E-05 3.088081E-03 5.863032E-04 A18 = - 1.063867E-06 1.576672E-05 -1.578269E-03 -2.193980E-04 A20 = - - -1.623665E-06 5.509632E-04 5.929282E-05 A22 = - - - -1.270490E-04 -1.032076E-05 A24 = - - - 1.874336E-05 1.103897E-06 A26 = - - - -1.613748E-06 -6.619037E-08 A28 = - - - 6.185887E-08 1.707153E-09 surface 12 13 14 15 17 k = 8.371214E+01 -6.802227E+01 4.100591E+00 1.130310E+01 -4.014918E+00 A4 = 3.807573E-03 -1.451965E-02 -2.056008E-02 -2.834646E-02 -1.272200E-02 A6 = -1.626650E-02 6.531751E-03 9.273966E-03 1.410531E-02 3.852908E-03 A8 = 9.511368E-03 -5.975586E-03 -3.014498E-03 -5.856493E-03 -2.408065E-03 A10 = -1.852514E-03 3.473838E-03 -1.532304E-04 1.420506E-03 7.083326E-04 A12 = -6.862673E-04 -1.279482E-03 4.208818E-04 -1.953252E-04 -1.269552E-04 A14 = 4.554538E-04 2.906703E-04 -1.506888E-04 9.760972E-06 1.522351E-05 A16 = -1.004164E-04 -3.854645E-05 2.759966E-05 1.055092E-06 -1.253883E-06 A18 = 1.022536E-05 2.724667E-06 -2.851957E-06 -1.890720E-07 6.952542E-08 A20 = -4.072901E-07 -7.941951E-08 1.577149E-07 1.073730E-08 -2.440705E-09 A22 = - - -3.618690E-09 -2.195644E-10 4.835760E-11 A24 = - - - - -4.121165E-13 surface 18 19 20 twenty one twenty two k = -5.068345E+00 -1.737680E+00 -1.079474E+00 -1.000000E+00 -1.040517E+00 A4 = -6.983259E-03 -2.802889E-02 -2.082922E-02 -3.038391E-02 -3.226706E-02 A6 = 2.850315E-03 3.731147E-03 1.141742E-03 6.312196E-03 6.870832E-03 A8 = -1.935223E-03 -4.260714E-04 3.015014E-04 -9.140485E-04 -1.145879E-03 A10 = 6.178729E-04 6.840914E-05 -7.899654E-05 1.125509E-04 1.428613E-04 A12 = -1.215194E-04 -1.499547E-05 9.534433E-06 -1.110973E-05 -1.325415E-05 A14 = 1.586614E-05 2.205420E-06 -8.226903E-07 8.184301E-07 9.035470E-07 A16 = -1.394072E-06 -1.953433E-07 6.117869E-08 -4.336565E-08 -4.458256E-08 A18 = 8.110032E-08 1.078627E-08 -3.874660E-09 1.618191E-09 1.568889E-09 A20 = -2.983484E-09 -3.771176E-10 1.860613E-10 -4.158583E-11 -3.864359E-11 A22 = 6.267495E-11 8.150660E-12 -6.160739E-12 7.099682E-13 6.462508E-13 A24 = -5.716935E-13 -9.966804E-14 1.304893E-13 -7.534358E-15 -6.945067E-15 A26 = - 5.285222E-16 -1.584249E-15 4.339490E-17 4.295342E-17 A28 = - - 8.374583E-18 -9.553818E-20 -1.151666E-19

In the eighth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Eighth embodiment f [mm] 8.69 f/f2 0.55 Fno 1.95 f/f9 0.46 HFOV [degrees] 42.5 f/EPD 1.95 Nmax 1.686 EPD/BL 4.17 V min 18.4 BL/TD 0.12 V2 56.0 ImgH/BL 7.65 V5+V6 36.8 SD/TD 0.91 V9+V10 56.6 TD/EPD 2.00 CT2/CT3 1.27 ΣCT/TD 0.61 T34/T45 2.13 TL/f 1.15 T89/T34 0.73 TL/ImgH 1.22 T89/T78 0.41 TL [mm] 9.98 (T78+T910)/CT10 2.31 Yc102/f 0.15 |f2/f1| 0.87 ImgH [mm] 8.17

<Ninth embodiment>

Please refer to FIG. 17 to FIG. 18 , wherein FIG. 17 shows a schematic diagram of an imaging device according to a ninth embodiment of the present invention, and FIG. 18 is a diagram of spherical aberration, astigmatism and distortion curves of the ninth embodiment in sequence from left to right. As can be seen from FIG. 17 , the image capturing device 9 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group sequentially includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens E6, the Seventh lens E7, diaphragm S1, eighth lens E8, ninth lens E9, tenth lens E10, filter element E11 and imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging plane IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is concave at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fourth lens E4 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fifth lens E5 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has a negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has a negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 17 and Table 18 below.

Table seventeen, the ninth embodiment f (focal length) = 8.68 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 43.5 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.8140 2 first lens 3.207200 (ASP) 0.9410 plastic 1.545 56.1 18.86 3 4.179100 (ASP) 0.0510 4 second lens 4.103600 (ASP) 0.4510 plastic 1.544 56.0 14.98 5 7.945700 (ASP) 0.2910 6 third lens 12.738900 (ASP) 0.3200 plastic 1.686 18.4 -41.28 7 8.696900 (ASP) 0.2840 8 fourth lens 105.407500 (ASP) 0.6710 plastic 1.544 56.0 15.42 9 -9.094900 (ASP) 0.1560 10 fifth lens -7.059400 (ASP) 0.3900 plastic 1.686 18.4 -32.65 11 -10.539100 (ASP) 0.0810 12 sixth lens -23.401900 (ASP) 0.3800 plastic 1.686 18.4 -83.48 13 -39.831400 (ASP) 0.7550 14 seventh lens 14.554300 (ASP) 0.4330 plastic 1.686 18.4 -232.14 15 13.174200 (ASP) -0.6470 16 aperture flat 1.2000 17 eighth lens 4.965400 (ASP) 0.5200 plastic 1.534 56.0 -41.42 18 3.907500 (ASP) 0.1450 19 ninth lens 3.579000 (ASP) 0.6400 plastic 1.587 28.3 15.82 20 5.436200 (ASP) 1.1370 twenty one tenth lens -13.708900 (ASP) 0.7000 plastic 1.587 28.3 -7.52 twenty two 6.634600 (ASP) 0.6000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.2791 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 16 (stop S1) is 3.680 mm

Table 18. Aspheric Coefficients surface 2 3 4 5 6 k = -7.354080E-01 -2.408400E+01 -2.629850E+01 -1.959970E+00 9.680000E+00 A4 = 2.371355E-03 1.772572E-02 2.210491E-02 -6.511080E-03 -1.699197E-02 A6 = 6.887361E-04 -1.306175E-02 -1.726245E-02 4.012493E-03 3.604856E-04 A8 = -4.005963E-04 4.830899E-03 8.294917E-03 -1.786732E-03 3.636494E-03 A10 = 1.819312E-04 -1.640490E-03 -3.094346E-03 1.175988E-03 -2.528503E-03 A12 = -4.863737E-05 4.379250E-04 8.031804E-04 -5.327500E-04 8.000675E-04 A14 = 6.621663E-06 -6.523882E-05 -1.102514E-04 1.296460E-04 -1.156603E-04 A16 = -4.419730E-07 3.804841E-06 5.850413E-06 -1.213956E-05 6.173889E-06 surface 7 8 9 10 11 k = -8.272510E+00 -9.900000E+01 1.120600E+01 5.870610E+00 1.518390E+01 A4 = -1.086383E-02 -1.047786E-03 7.229242E-03 1.277392E-02 1.604554E-02 A6 = -1.427625E-04 -4.753338E-03 -1.790472E-02 -1.581959E-02 -1.043488E-02 A8 = 2.432157E-03 3.380200E-03 1.240139E-02 -5.946230E-03 -3.956712E-03 A10 = -1.534680E-03 -2.187479E-03 -4.271740E-03 2.432498E-02 5.811266E-03 A12 = 3.784436E-04 8.913116E-04 5.270355E-04 -2.338511E-02 8.342872E-04 A14 = -2.183637E-05 -2.687114E-04 5.675255E-05 1.270652E-02 -3.872489E-03 A16 = -2.236091E-06 5.523173E-05 -1.673319E-05 -4.331139E-03 2.612718E-03 A18 = - -5.177363E-06 -1.759901E-07 8.393761E-04 -9.538771E-04 A20 = - - 1.632983E-07 -2.571049E-05 2.198464E-04 A22 = - - - -3.228380E-05 -3.304004E-05 A24 = - - - 8.695305E-06 3.154911E-06 A26 = - - - -9.963160E-07 -1.741795E-07 A28 = - - - 4.508214E-08 4.238860E-09 surface 12 13 14 15 17 k = 8.283400E+01 7.961790E+01 9.086500E+00 7.475190E+00 -4.010530E+00 A4 = -8.806011E-03 -1.737601E-02 -1.748857E-02 -2.567863E-02 -1.011876E-02 A6 = 1.539587E-02 1.165114E-02 5.845884E-03 9.049762E-03 -1.087837E-04 A8 = -2.662932E-02 -1.047277E-02 -1.241165E-03 -2.611505E-03 -1.807668E-04 A10 = 2.140855E-02 5.774712E-03 -6.054779E-04 2.410210E-04 -1.451401E-05 A12 = -9.704777E-03 -2.011820E-03 4.531537E-04 7.672980E-05 2.575215E-05 A14 = 2.603245E-03 4.412155E-04 -1.379529E-04 -3.115099E-05 -6.831088E-06 A16 = -4.082078E-04 -5.826384E-05 2.376987E-05 5.045200E-06 9.291987E-07 A18 = 3.461340E-05 4.215189E-06 -2.404256E-06 -4.326679E-07 -7.369120E-08 A20 = -1.229914E-06 -1.282036E-07 1.334876E-07 1.921804E-08 3.391974E-09 A22 = - - -3.136913E-09 -3.484711E-10 -8.228421E-11 A24 = - - - - 7.831246E-13 surface 18 19 20 twenty one twenty two k = -5.373280E+00 -1.771450E+00 -1.013550E+00 5.498320E-01 -1.185890E+00 A4 = -1.001032E-02 -3.363416E-02 -2.278383E-02 -3.897883E-02 -4.064053E-02 A6 = 5.165630E-03 8.200254E-03 2.702131E-03 1.108623E-02 1.018475E-02 A8 = -2.855055E-03 -2.072926E-03 -2.229600E-04 -2.314549E-03 -1.870089E-03 A10 = 8.486843E-04 4.300541E-04 1.959555E-05 3.740882E-04 2.463026E-04 A12 = -1.599776E-04 -6.596225E-05 -1.813954E-06 -4.361776E-05 -2.342338E-05 A14 = 2.014709E-05 7.009224E-06 1.075492E-08 3.586254E-06 1.618973E-06 A16 = -1.712414E-06 -5.052812E-07 2.156525E-08 -2.082537E-07 -8.152285E-08 A18 = 9.676293E-08 2.454896E-08 -2.674884E-09 8.564442E-09 2.979722E-09 A20 = -3.475908E-09 -7.914062E-10 1.644062E-10 -2.479204E-10 -7.807828E-11 A22 = 7.169605E-11 1.623584E-11 -5.975152E-12 4.943371E-12 1.428552E-12 A24 = -6.453813E-13 -1.920370E-13 1.306743E-13 -6.469146E-14 -1.733471E-14 A26 = - 9.977034E-16 -1.597342E-15 5.006864E-16 1.254463E-16 A28 = - - 8.415110E-18 -1.738812E-18 -4.101522E-19

In the ninth embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Ninth embodiment f [mm] 8.68 f/f2 0.58 Fno 1.95 f/f9 0.55 HFOV [degrees] 43.5 f/EPD 1.95 Nmax 1.686 EPD/BL 4.09 V min 18.4 BL/TD 0.12 V2 56.0 ImgH/BL 7.73 V5+V6 36.8 SD/TD 0.91 V9+V10 56.6 TD/EPD 2.00 CT2/CT3 1.41 ΣCT/TD 0.61 T34/T45 1.82 TL/f 1.15 T89/T34 0.51 TL/ImgH 1.19 T89/T78 0.26 TL [mm] 9.99 (T78+T910)/CT10 2.41 Yc102/f 0.14 |f2/f1| 0.79 ImgH [mm] 8.42

<Tenth Embodiment>

Please refer to FIG. 19 to FIG. 20 , wherein FIG. 19 shows a schematic diagram of an imaging device according to a tenth embodiment of the present invention, and FIG. 20 is a diagram of spherical aberration, astigmatism and distortion curves of the tenth embodiment from left to right. As can be seen from FIG. 19 , the image capturing device 10 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the first lens E1, the aperture ST, the second lens E2, the third lens E3, the fourth lens E4, the diaphragm S1, the fifth lens E5, and the sixth lens along the optical path from the object side to the image side. The lens E6, the seventh lens E7, the eighth lens E8, the ninth lens E9, the tenth lens E10, the filter element E11 and the imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of glass. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The third lens E3 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The fourth lens E4 has a positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The fifth lens E5 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has positive refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The seventh lens E7 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its image-side surface is concave at the near optical axis. The surface has at least one inflection point.

The eighth lens E8 has positive refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The ninth lens E9 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 19 and Table 20 below.

Table 19, the tenth embodiment f (focal length) = 7.69 millimeters (mm), Fno (aperture value) = 1.65, HFOV (half angle of view) = 39.6 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 first lens 4.020711 (ASP) 0.4310 plastic 1.545 56.0 28.17 2 5.242861 (ASP) 0.6000 3 aperture flat -0.5500 4 second lens 5.512351 (ASP) 0.7830 Glass 1.548 45.8 9.76 5 -169.548001 (ASP) 0.0700 6 third lens -142.524991 (ASP) 0.2800 plastic 1.680 18.2 -14.74 7 10.793702 (ASP) 0.3270 8 fourth lens 6.373413 (ASP) 0.5240 plastic 1.544 56.0 21.52 9 13.583072 (ASP) -0.1910 10 aperture flat 0.6610 11 fifth lens -6.820555 (ASP) 0.2800 plastic 1.566 37.4 95.76 12 -6.148161 (ASP) 0.3880 13 sixth lens -48.500768 (ASP) 0.5320 plastic 1.660 20.4 60.02 14 -21.899106 (ASP) 0.1000 15 seventh lens -26.713687 (ASP) 0.2840 plastic 1.566 37.4 -18.77 16 17.704257 (ASP) 0.2850 17 eighth lens -9.750542 (ASP) 0.6550 plastic 1.544 56.0 6.98 18 -2.797319 (ASP) 0.3200 19 ninth lens 101.759292 (ASP) 0.8000 plastic 1.680 18.2 -20.38 20 12.159588 (ASP) 0.8800 twenty one tenth lens 13.797442 (ASP) 0.8500 plastic 1.535 56.3 -7.03 twenty two 2.888719 (ASP) 0.8000 twenty three filter element flat 0.4200 Glass 1.517 64.2 - twenty four flat 0.3714 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 10 (stop S1) is 2.300 mm

Table 20. Aspheric coefficients surface 1 2 4 5 6 k = -5.239146E-01 -8.095183E-01 2.340445E+00 -9.000000E+01 9.000000E+01 A4 = -4.147671E-03 -1.377695E-02 -1.087122E-02 2.235296E-02 1.825247E-02 A6 = 1.708032E-03 5.147607E-03 4.628153E-03 -1.963667E-02 -2.449447E-02 A8 = -1.033427E-03 -1.614143E-03 -1.780741E-03 6.778408E-03 1.129574E-02 A10 = 3.163395E-04 4.776928E-04 6.337877E-04 -1.116207E-03 -2.536240E-03 A12 = -4.583839E-05 -4.764326E-05 -1.091374E-04 7.419853E-05 2.839307E-04 A14 = 2.282703E-06 -4.344209E-06 6.640548E-06 -7.584409E-08 -1.243484E-05 A16 = - 6.448724E-07 - - - surface 7 8 9 11 12 k = -5.699679E+01 -4.367171E+01 -9.000000E+01 2.454636E+00 1.350263E+00 A4 = 1.097462E-04 4.741315E-03 -6.019407E-03 -4.030530E-03 -3.442562E-03 A6 = -1.019900E-02 -9.877742E-03 -3.502623E-03 8.299873E-04 2.015275E-03 A8 = 6.548041E-03 3.227314E-03 -4.507257E-06 -1.028378E-03 -6.146261E-04 A10 = -1.800358E-03 -6.406542E-04 1.218827E-04 3.943520E-04 2.398352E-04 A12 = 2.466128E-04 7.731718E-05 -1.478919E-05 -9.977763E-05 -8.883382E-05 A14 = -1.307424E-05 -4.395099E-06 3.070356E-07 1.578264E-05 1.479166E-05 A16 = - - - -1.019239E-06 -9.166364E-07 surface 13 14 15 16 17 k = -7.150353E+00 3.495361E+01 8.126834E+00 3.894879E+01 1.047001E+01 A4 = -1.573515E-02 -4.299021E-03 -3.352213E-04 -4.201347E-01 1.328535E-02 A6 = 1.529063E-03 3.996917E-03 2.323745E-03 -3.510636E+00 -9.727177E-03 A8 = -6.749149E-04 -4.428819E-03 -2.105262E-03 1.730394E+01 3.502664E-03 A10 = 1.589526E-04 1.563837E-03 4.728269E-04 -4.461039E+01 -8.408044E-04 A12 = -9.374577E-06 -2.656568E-04 -2.480334E-05 6.230191E+01 1.197228E-04 A14 = -4.468949E-06 2.154750E-05 -3.893659E-06 -4.568782E+01 -8.910333E-06 A16 = 5.779238E-07 -6.492701E-07 3.644105E-07 1.365628E+01 2.684782E-07 surface 18 19 20 twenty one twenty two k = -1.271908E+00 -1.834717E+00 -9.000000E+01 -8.129198E-02 -6.626012E+00 A4 = 3.180715E-02 2.834500E-02 1.376157E-02 -4.309712E-02 -2.170931E-02 A6 = -1.690499E-02 -1.934747E-02 -5.672679E-03 1.192588E-02 5.660632E-03 A8 = 5.133017E-03 6.816840E-03 6.858598E-04 -3.134609E-03 -1.228660E-03 A10 = -9.116578E-04 -1.849126E-03 -7.755992E-06 5.323210E-04 1.834478E-04 A12 = 6.096912E-05 3.693633E-04 -7.122950E-06 -5.515966E-05 -1.870861E-05 A14 = 8.748003E-06 -5.030400E-05 7.851681E-07 3.601568E-06 1.318261E-06 A16 = -2.085534E-06 4.243649E-06 -2.976360E-08 -1.504251E-07 -6.424062E-08 A18 = 1.548097E-07 -1.891166E-07 -2.914583E-10 3.932774E-09 2.126305E-09 A20 = -4.074201E-09 2.312057E-09 5.149794E-11 -5.909962E-11 -4.559538E-11 A22 = - 7.295773E-11 -1.036255E-12 3.924012E-13 5.704440E-13 A24 = - - - - -3.154115E-15

In the tenth embodiment, the curve equation of the aspheric surface is represented in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Tenth embodiment f [mm] 7.69 f/f2 0.79 Fno 1.65 f/f9 -0.38 HFOV [degrees] 39.6 f/EPD 1.65 Nmax 1.680 EPD/BL 2.93 V min 18.2 BL/TD 0.19 V2 45.8 ImgH/BL 4.08 V5+V6 57.8 SD/TD 0.88 V9+V10 74.5 TD/EPD 1.78 CT2/CT3 2.80 ΣCT/TD 0.65 T34/T45 0.70 TL/f 1.29 T89/T34 0.98 TL/ImgH 1.52 T89/T78 1.12 TL [mm] 9.90 (T78+T910)/CT10 1.37 Yc102/f 0.31 |f2/f1| 0.35 ImgH [mm] 6.50

<Eleventh embodiment>

Please refer to FIG. 21 to FIG. 22, wherein FIG. 21 shows a schematic diagram of an imaging device according to an eleventh embodiment of the present invention, and FIG. 22 shows the spherical aberration, astigmatism and distortion curves of the eleventh embodiment in order from left to right picture. As can be seen from FIG. 21 , the image capturing device 11 includes an optical imaging lens system group (not otherwise labeled) and an electronic photosensitive element IS. The optical image lens system group includes the aperture ST, the first lens E1, the second lens E2, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens E6, and the optical lens along the optical path from the object side to the image side. Diaphragm S1, seventh lens E7, eighth lens E8, ninth lens E9, tenth lens E10, filter element E11 and imaging surface IMG. Wherein, the electronic photosensitive element IS is disposed on the imaging surface IMG. The optical image lens system group includes ten lenses (E1, E2, E3, E4, E5, E6, E7, E8, E9, E10), and there is no interpolated lens between each lens.

The first lens E1 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The second lens E2 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, and both surfaces are aspherical.

The third lens E3 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface It has at least one inflection point, and its image-side surface has at least one inflection point.

The fourth lens E4 has positive refractive power and is made of plastic material. Its object side surface is convex at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its object side The surface has at least one inflection point.

The fifth lens E5 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is convex at the near optical axis, and both surfaces are aspherical.

The sixth lens E6 has a negative refractive power and is made of plastic material. Its object side surface is concave at the near optical axis, its image side surface is convex at the near optical axis, both surfaces are aspherical, and its image side The surface has at least one inflection point.

The seventh lens E7 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, and its image-side surface has at least one inflection point.

The eighth lens E8 has negative refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The ninth lens E9 has positive refractive power and is made of plastic material. Its object-side surface is convex at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The tenth lens E10 has negative refractive power and is made of plastic material. Its object-side surface is concave at the near optical axis, its image-side surface is concave at the near optical axis, both surfaces are aspherical, and its object-side surface is It has at least one inflection point, its image-side surface has at least one inflection point, and its image-side surface has at least one critical point off-axis.

The material of the filter element E11 is glass, which is disposed between the tenth lens E10 and the imaging surface IMG, and does not affect the focal length of the optical image lens system group.

Please refer to Table 21 and Table 22 below.

Table 21, the eleventh embodiment f (focal length) = 8.67 millimeters (mm), Fno (aperture value) = 1.95, HFOV (half angle of view) = 42.6 degrees surface radius of curvature thickness material Refractive index Abbe number focal length 0 subject flat unlimited 1 aperture flat -0.8290 2 first lens 3.184600 (ASP) 0.9260 plastic 1.545 56.1 17.56 3 4.283800 (ASP) 0.0610 4 second lens 4.192700 (ASP) 0.4230 plastic 1.544 56.0 15.51 5 8.035700 (ASP) 0.2890 6 third lens 13.283900 (ASP) 0.3200 plastic 1.686 18.4 -37.27 7 8.656200 (ASP) 0.2800 8 fourth lens 82.786400 (ASP) 0.7560 plastic 1.544 56.0 14.78 9 -8.874200 (ASP) 0.1340 10 fifth lens -6.846600 (ASP) 0.3700 plastic 1.686 18.4 -37.18 11 -9.564100 (ASP) 0.1180 12 sixth lens -17.578800 (ASP) 0.3800 plastic 1.686 18.4 -64.86 13 -29.312700 (ASP) -0.1930 14 aperture flat 0.9300 15 seventh lens 15.394100 (ASP) 0.4320 plastic 1.686 18.4 352.17 16 16.253900 (ASP) 0.5170 17 eighth lens 5.303200 (ASP) 0.5200 plastic 1.534 56.0 -43.32 18 4.167200 (ASP) 0.2500 19 ninth lens 3.965600 (ASP) 0.6420 plastic 1.587 28.3 22.00 20 5.379600 (ASP) 1.0620 twenty one tenth lens -14.307800 (ASP) 0.7000 plastic 1.587 28.3 -8.16 twenty two 7.329600 (ASP) 0.6000 twenty three filter element flat 0.2100 Glass 1.517 64.2 - twenty four flat 0.2535 25 imaging surface flat - Reference wavelength (d-line) is 587.6 nm Effective radius at surface 14 (stop S1) is 2.716 mm

Table 22. Aspheric coefficients surface 2 3 4 5 6 k = -6.825970E-01 -2.315810E+01 -2.759520E+01 -2.171620E+00 1.482530E+01 A4 = 2.035108E-03 1.344161E-02 1.940684E-02 -1.032233E-02 -2.101531E-02 A6 = 1.161278E-03 -4.958853E-03 -1.119129E-02 8.796202E-03 6.092744E-03 A8 = -6.821669E-04 -1.105542E-04 4.888725E-03 -5.187272E-03 -3.334195E-04 A10 = 2.849877E-04 -1.776127E-04 -2.470882E-03 2.659251E-03 -7.035175E-04 A12 = -7.031533E-05 2.018908E-04 8.261662E-04 -9.368838E-04 2.593609E-04 A14 = 9.426352E-06 -4.486849E-05 -1.299100E-04 1.946845E-04 -2.441415E-05 A16 = -6.311850E-07 3.043972E-06 7.547220E-06 -1.663539E-05 -3.152199E-07 surface 7 8 9 10 11 k = -9.172420E+00 -9.900000E+01 1.010790E+01 5.463660E+00 0.000000E+00 A4 = -1.446275E-02 -2.648526E-03 2.045991E-02 3.746322E-02 4.188060E-02 A6 = 4.054376E-03 -6.335425E-03 -5.192459E-02 -8.251297E-02 -8.818966E-02 A8 = 1.249643E-04 6.970709E-03 5.315717E-02 7.856931E-02 8.808752E-02 A10 = -8.360434E-04 -5.364833E-03 -3.245859E-02 -3.852235E-02 -5.286796E-02 A12 = 2.656010E-04 2.365130E-03 1.252032E-02 6.682927E-03 2.069012E-02 A14 = -1.515087E-05 -6.371890E-04 -3.143139E-03 2.995508E-03 -5.605045E-03 A16 = -1.782370E-06 1.017406E-04 5.078230E-04 -2.265913E-03 1.102922E-03 A18 = - -7.342312E-06 -4.873829E-05 6.617586E-04 -1.645752E-04 A20 = - - 2.116963E-06 -9.387847E-05 1.875652E-05 A22 = - - - 1.854252E-06 -1.470222E-06 A24 = - - - 1.504226E-06 5.675544E-08 A26 = - - - -2.235006E-07 - A28 = - - - 1.090519E-08 - surface 12 13 15 16 17 k = 4.297780E+01 0.000000E+00 4.272410E+00 1.330370E+01 -3.661080E+00 A4 = 9.536198E-03 -1.722996E-02 -2.549747E-02 -3.073863E-02 -1.014198E-02 A6 = -3.539476E-02 8.560569E-03 1.302099E-02 1.547966E-02 2.048797E-03 A8 = 3.479961E-02 -5.385857E-03 -4.413782E-03 -5.675880E-03 -1.342388E-03 A10 = -1.935631E-02 2.381922E-03 2.828587E-04 1.126047E-03 2.815837E-04 A12 = 6.593519E-03 -7.798733E-04 2.772114E-04 -9.625027E-05 -1.871265E-05 A14 = -1.437522E-03 1.748443E-04 -1.126487E-04 -8.186592E-06 -2.775334E-06 A16 = 2.001642E-04 -2.397537E-05 2.103873E-05 3.054551E-06 7.531424E-07 A18 = -1.632124E-05 1.790758E-06 -2.174591E-06 -3.268746E-07 -7.936514E-08 A20 = 5.870299E-07 -5.579744E-08 1.200576E-07 1.613364E-08 4.592460E-09 A22 = - - -2.765676E-09 -3.111540E-10 -1.424677E-10 A24 = - - - - 1.845722E-12 surface 18 19 20 twenty one twenty two k = -4.520990E+00 -1.563820E+00 -1.048860E+00 6.514590E-01 -8.235310E-01 A4 = -5.091688E-03 -2.756413E-02 -2.212417E-02 -2.950374E-02 -3.110127E-02 A6 = 2.232707E-03 2.729461E-03 6.706214E-04 5.561737E-03 5.830824E-03 A8 = -1.717594E-03 5.412330E-05 4.465652E-04 -6.170202E-04 -7.080242E-04 A10 = 5.379376E-04 -4.719459E-05 -7.917989E-05 4.627985E-05 4.702206E-05 A12 = -1.011931E-04 3.160312E-06 4.393398E-06 -1.848719E-06 -4.861413E-07 A14 = 1.256943E-05 2.418275E-07 2.156994E-07 -4.036205E-08 -2.118815E-07 A16 = -1.052042E-06 -4.961604E-08 -4.989447E-08 1.119916E-08 2.173423E-08 A18 = 5.852913E-08 3.460086E-09 3.663997E-09 -7.913711E-10 -1.159003E-09 A20 = -2.069220E-09 -1.329259E-10 -1.539733E-10 3.227992E-11 3.898600E-11 A22 = 4.199128E-11 2.989290E-12 4.026869E-12 -8.319805E-13 -8.539080E-13 A24 = -3.718565E-13 -3.703541E-14 -6.466185E-14 1.338022E-14 1.184549E-14 A26 = - 1.959926E-16 5.814480E-16 -1.228622E-16 -9.468081E-17 A28 = - - -2.224143E-18 4.925675E-19 3.325012E-19

In the eleventh embodiment, the curve equation of the aspheric surface is expressed in the form of the first embodiment. In addition, the definitions described in the table below are the same as those in the first embodiment, and will not be repeated here.

Eleventh embodiment f [mm] 8.67 f/f2 0.56 Fno 1.95 f/f9 0.39 HFOV [degrees] 42.6 f/EPD 1.95 Nmax 1.686 EPD/BL 4.18 V min 18.4 BL/TD 0.12 V2 56.0 ImgH/BL 7.68 V5+V6 36.8 SD/TD 0.91 V9+V10 56.6 TD/EPD 2.01 CT2/CT3 1.32 ΣCT/TD 0.61 T34/T45 2.09 TL/f 1.15 T89/T34 0.89 TL/ImgH 1.22 T89/T78 0.48 TL [mm] 9.98 (T78+T910)/CT10 2.26 Yc102/f 0.15 |f2/f1| 0.88 ImgH [mm] 8.17

<Twelfth embodiment>

Please refer to FIG. 23 , which is a schematic perspective view of an imaging device according to a twelfth embodiment of the present invention. In this embodiment, the image capturing device 100 is a camera module. The image capturing device 100 includes an imaging lens 101 , a driving device 102 , an electronic photosensitive element 103 and an image stabilization module 104 . The imaging lens 101 includes the optical image lens system group of the above-mentioned first embodiment, a lens barrel (not otherwise labeled) for carrying the optical image lens system group, and a support device (Holder Member, not otherwise labeled), and the imaging lens 101 can also be changed to The present invention is not limited thereto for configuring the optical image lens system groups of the above other embodiments. The image capturing device 100 utilizes the imaging lens 101 to gather light to generate an image, cooperates with the driving device 102 to focus the image, and finally forms an image on the electronic photosensitive element 103 and can output it as image data.

The driving device 102 may have an auto-focus (Auto-Focus) function, and its driving method may use, for example, a voice coil motor (Voice Coil Motor, VCM), a micro-electro-mechanical system (Micro Electro-Mechanical Systems, MEMS), a piezoelectric system (Piezoelectric) , and memory metal (Shape Memory Alloy) and other drive systems. The driving device 102 can enable the imaging lens 101 to obtain a better imaging position, and can provide clear images of the subject at different object distances. In addition, the imaging device 100 is equipped with a high-sensitivity and low-noise electronic photosensitive element 103 (such as CMOS, CCD) disposed on the imaging surface of the optical imaging lens system, which can truly present the good imaging quality of the optical imaging lens system.

The image stabilization module 104 is, for example, an accelerometer, a gyroscope, or a Hall Effect Sensor. The driving device 102 can be used together with the image stabilization module 104 as an optical image stabilization device (Optical Image Stabilization, OIS), by adjusting the changes of different axes of the imaging lens 101 to compensate for blurred images caused by shaking at the moment of shooting, Or use the image compensation technology in the image software to provide Electronic Image Stabilization (EIS) to further improve the imaging quality of dynamic and low-light scenes.

<Thirteenth embodiment>

Please refer to FIG. 24 to FIG. 26 , wherein FIG. 24 shows a schematic perspective view of one side of an electronic device according to a thirteenth embodiment of the present invention, and FIG. 25 shows a schematic perspective view of the other side of the electronic device in FIG. 24 , and FIG. 26 is a system block diagram of the electronic device in FIG. 24 .

In this embodiment, the electronic device 200 is a smart phone. The electronic device 200 includes the imaging device 100 of the twelfth embodiment, the imaging device 100a, the imaging device 100b, the imaging device 100c, the imaging device 100d, the flashlight module 201, the focusing auxiliary module 202, and the image signal processor 203 (Image Signal Processor), a display module 204 and an image software processor 205 . Both the image capturing device 100 and the image capturing device 100a are disposed on the same side of the electronic device 200 and both have a single focus. The focus assisting module 202 may use a laser ranging or Time of Flight (ToF) ranging module, but the present invention is not limited thereto. The image capturing device 100b, the image capturing device 100c, the image capturing device 100d and the display module 204 are all configured on the other side of the electronic device 200, and the display module 204 can be a user interface, so that the image capturing device 100b, the image capturing device 100d The imaging device 100c and the image capturing device 100d can be used as a front lens to provide a Selfie function, but the present invention is not limited thereto. Moreover, the image capturing device 100 a , the image capturing device 100 b , the image capturing device 100 c and the image capturing device 100 d can all include the optical imaging lens system set of the present invention and can have a structure configuration similar to that of the image capturing device 100 . In detail, each of the image capturing device 100a, the image capturing device 100b, the image capturing device 100c, and the image capturing device 100d may include an imaging lens, a driving device, an electronic photosensitive element, and an image stabilization module. Wherein, the imaging lenses of the image capturing device 100a, the image capturing device 100b, the image capturing device 100c, and the image capturing device 100d may each include, for example, an optical mirror group of the optical image lens system group of the present invention, and an optical mirror group for carrying the optical mirror group. A lens barrel and a supporting device.

The imaging device 100 is a wide-angle imaging device, the imaging device 100a is a super wide-angle imaging device, the imaging device 100b is a wide-angle imaging device, the imaging device 100c is an ultra-wide-angle imaging device, and the imaging device 100d is a time-of-flight ranging imaging device. The imaging device 100 of this embodiment has different viewing angles from the imaging device 100a, so that the electronic device 200 can provide different magnifications to achieve the shooting effect of optical zoom. Wherein, the maximum viewing angle of the imaging device 100 may differ from the maximum viewing angle of one of the imaging device 100a, the imaging device 100b, the imaging device 100c, and the imaging device 100d by at least 30 degrees. In this way, the electronic device 200 can be provided to acquire images in different field of view ranges to meet various applications. In addition, the image capturing device 100d can obtain the depth information of the image. The above-mentioned electronic device 200 is exemplified by including a plurality of imaging devices 100 , 100 a , 100 b , 100 c , and 100 d , but the number and configuration of the imaging devices are not intended to limit the present invention.

When the user photographs the subject 206, the electronic device 200 uses the imaging device 100 or the imaging device 100a to focus and capture the image, activates the flash module 201 for supplementary light, and uses the subject 206 provided by the focus auxiliary module 202 The object distance information is used for fast focusing, and the image signal processor 203 is used for image optimization processing to further improve the image quality produced by the optical image lens system group. The focus assist module 202 can use infrared or laser focus assist system to achieve fast focusing. In addition, the electronic device 200 can also use the image capturing device 100b, the image capturing device 100c, or the image capturing device 100d to take pictures. The display module 204 can adopt a touch screen, cooperate with the various functions of the image software processor 205 to perform image shooting and image processing (or use a physical shooting button to shoot). The image processed by the image software processor 205 can be displayed on the display module 204 .

<Fourteenth embodiment>

Please refer to FIG. 27 , which is a schematic perspective view of one side of an electronic device according to a fourteenth embodiment of the present invention.

In this embodiment, the electronic device 300 is a smart phone. The electronic device 300 includes the imaging device 100 of the twelfth embodiment, the imaging device 100e, the imaging device 100f, the flashlight module 301, the focus assist module, the image signal processor, the display module and the image software processor (not shown). drawn). The image capturing device 100 , the image capturing device 100 e and the image capturing device 100 f are all disposed on the same side of the electronic device 300 , and the display module is disposed on the other side of the electronic device 300 . Moreover, both the image capturing device 100e and the image capturing device 100f may include the optical image lens system set of the present invention and both may have a similar structural configuration to that of the image capturing device 100 , which will not be repeated here.

The imaging device 100 is a wide-angle imaging device, the imaging device 100e is a telephoto imaging device, and the imaging device 100f is a super wide-angle imaging device. The imaging device 100, the imaging device 100e, and the imaging device 100f of this embodiment have different viewing angles, so that the electronic device 300 can provide different magnifications to achieve the effect of optical zooming. In addition, the image capturing device 100 e is a telescopic image capturing device configured with optical path turning elements, so that the total length of the image capturing device 100 e is not limited by the thickness of the electronic device 300 . Wherein, the configuration of the optical path turning elements of the imaging device 100e may, for example, have a structure similar to that shown in FIG. 30 to FIG. 32 , and reference may be made to the description corresponding to FIG. 30 to FIG. The above-mentioned electronic device 300 includes a plurality of imaging devices 100 , 100 e , and 100 f as an example, but the number and configuration of the imaging devices are not intended to limit the present invention. When the user takes a picture of a subject, the electronic device 300 uses the imaging device 100, the imaging device 100e or the imaging device 100f to focus and capture the image, activate the flashlight module 301 to fill in the light, and use a method similar to the previous embodiment Subsequent processing is performed, which will not be repeated here.

<Fifteenth embodiment>

Please refer to FIG. 28 , which is a schematic perspective view of one side of an electronic device according to a fifteenth embodiment of the present invention.

In this embodiment, the electronic device 400 is a smart phone. The electronic device 400 includes the imaging device 100 of the twelfth embodiment, the imaging device 100g, the imaging device 100h, the imaging device 100i, the imaging device 100j, the imaging device 100k, the imaging device 100m, the imaging device 100n, The image capturing device 100p, the flashlight module 401, the focus assist module, the image signal processor, the display module and the image software processor (not shown). The image capturing device 100, the image capturing device 100g, the image capturing device 100h, the image capturing device 100i, the image capturing device 100j, the image capturing device 100k, the image capturing device 100m, the image capturing device 100n and the image capturing device 100p are all configured in the electronic device 400 on the same side, and the display module is configured on the other side of the electronic device 400 . Moreover, the image capturing device 100g, the image capturing device 100h, the image capturing device 100i, the image capturing device 100j, the image capturing device 100k, the image capturing device 100m, the image capturing device 100n and the image capturing device 100p can all include the optical image lens of the present invention The system groups can all have a similar structural configuration to that of the imaging device 100 , which will not be repeated here.

The imaging device 100 is a wide-angle imaging device, the imaging device 100g is a telephoto imaging device, the imaging device 100h is a telephoto imaging device, the imaging device 100i is a wide-angle imaging device, and the imaging device 100j is a telephoto imaging device. The ultra-wide-angle imaging device, the imaging device 100k is an ultra-wide-angle imaging device, the imaging device 100m is a telephoto imaging device, the imaging device 100n is a telephoto imaging device, and the imaging device 100p is a time-of-flight measurement distance imaging device. The image capturing device 100, the image capturing device 100g, the image capturing device 100h, the image capturing device 100i, the image capturing device 100j, the image capturing device 100k, the image capturing device 100m and the image capturing device 100n of this embodiment have different viewing angles, so that The electronic device 400 can provide different magnifications to achieve the effect of optical zooming. In addition, the image capturing device 100g and the image capturing device 100h may be telescopic image capturing devices configured with optical path turning elements. Wherein, the configuration of the optical path turning elements of the image capturing device 100g and the image capturing device 100h may, for example, have a structure similar to that shown in FIG. 30 to FIG. In addition, the image capturing device 100p can obtain the depth information of the image. The above-mentioned electronic device 400 includes a plurality of imaging devices 100 , 100g , 100h , 100i , 100j , 100k , 100m , 100n , and 100p as an example, but the number and configuration of the imaging devices are not intended to limit the present invention. When the user photographs a subject, the electronic device 400 utilizes the image capturing device 100, the image capturing device 100g, the image capturing device 100h, the image capturing device 100i, the image capturing device 100j, the image capturing device 100k, the image capturing device 100m, the image capturing device 100k, the image capturing device 100m, the image capturing device The device 100n or the image capturing device 100p collects light to capture an image, activates the flashlight module 401 to supplement the light, and performs subsequent processing in a manner similar to the foregoing embodiments, which will not be repeated here.

The imaging device of the present invention is not limited to be applied to smart phones. The imaging device can be applied to the mobile focusing system according to the needs, and has the characteristics of excellent aberration correction and good imaging quality. For example, the imaging device can be widely used in three-dimensional (3D) image capture, digital cameras, mobile devices, digital tablets, smart TVs, network monitoring equipment, driving recorders, reverse development devices, multi-lens devices, In electronic devices such as identification systems, somatosensory game consoles and wearable devices. The aforementioned electronic device is only an example to illustrate the practical application of the present invention, and does not limit the scope of application of the imaging device of the present invention.

Although the present invention is disclosed above with the aforementioned preferred embodiments, it is not intended to limit the present invention. Any person familiar with the similar art can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, this The scope of patent protection for inventions shall be defined in the scope of patent application attached to this specification.

1,2,3,4,5,6,7,8,9,10,11,100,100a,100b,100c,100d,100e,100f,100g,100h,100i,100j,100k,100m,100n,100p: take image device 101: Imaging lens 102: Drive device 103:Electronic photosensitive element 104: Image stabilization module 200, 300, 400: electronic devices 201, 301, 401: flashlight modules 202:Focus assist module 203: Image signal processor 204: display module 205: Image software processor 206: Subject C: critical point P: inflection point IM: imaging surface OA1: first optical axis OA2: second optical axis OA3: third optical axis LF: Optical path turning element LF1: The first light path turning element LF2: Second optical path turning element LG: Lens group ST: Aperture S1: Aperture E1: first lens E2: second lens E3: third lens E4: Fourth lens E5: fifth lens E6: sixth lens E7: seventh lens E8: Eighth lens E9: ninth lens E10: tenth lens E11: Filter element IMG: imaging surface IS: electronic photosensitive element BL: the distance from the image side surface of the tenth lens to the imaging surface on the optical axis ΣCT: The total thickness of all lenses on the optical axis in the optical image lens system group CT2: The thickness of the second lens on the optical axis CT3: The thickness of the third lens on the optical axis CT10: the thickness of the tenth lens on the optical axis EPD: Entrance pupil diameter of the optical imaging lens system group Fno: the aperture value of the optical image lens system group f: the focal length of the optical image lens system group f1: focal length of the first lens f2: focal length of the second lens f9: focal length of the ninth lens HFOV: half of the maximum viewing angle in the optical imaging lens system group ImgH: the maximum imaging height of the optical imaging lens system group Nmax: the maximum value of the refractive index of all lenses in the optical image lens system group SD: the distance from the aperture to the image side surface of the tenth lens on the optical axis T34: The distance between the third lens and the fourth lens on the optical axis T45: The distance between the fourth lens and the fifth lens on the optical axis T78: The distance between the seventh lens and the eighth lens on the optical axis T89: The distance between the eighth lens and the ninth lens on the optical axis T910: The distance between the ninth lens and the tenth lens on the optical axis TD: The distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis TL: The distance from the object-side surface of the first lens to the imaging plane on the optical axis V2: Abbe number of the second lens V5: Abbe number of the fifth lens V6: Abbe number of the sixth lens V9: Abbe number of the ninth lens V10: Abbe number of the tenth lens Vmin: the minimum value of the Abbe number among all the lenses of the optical image lens system group Yc102: The vertical distance between the critical point of the image side surface of the tenth lens and the optical axis

FIG. 1 is a schematic diagram of an imaging device according to a first embodiment of the present invention. FIG. 2 is the spherical aberration, astigmatism and distortion curves of the first embodiment in sequence from left to right. FIG. 3 is a schematic diagram of an imaging device according to a second embodiment of the present invention. FIG. 4 is the spherical aberration, astigmatism and distortion curves of the second embodiment in order from left to right. FIG. 5 is a schematic diagram of an imaging device according to a third embodiment of the present invention. FIG. 6 is the spherical aberration, astigmatism and distortion curves of the third embodiment in sequence from left to right. FIG. 7 is a schematic diagram of an imaging device according to a fourth embodiment of the present invention. FIG. 8 is the spherical aberration, astigmatism and distortion curves of the fourth embodiment in sequence from left to right. FIG. 9 is a schematic diagram of an imaging device according to a fifth embodiment of the present invention. FIG. 10 is the spherical aberration, astigmatism and distortion curves of the fifth embodiment in order from left to right. FIG. 11 is a schematic diagram of an imaging device according to a sixth embodiment of the present invention. FIG. 12 is the spherical aberration, astigmatism and distortion curves of the sixth embodiment in order from left to right. FIG. 13 is a schematic diagram of an imaging device according to a seventh embodiment of the present invention. FIG. 14 is the spherical aberration, astigmatism and distortion curves of the seventh embodiment in sequence from left to right. FIG. 15 is a schematic diagram of an imaging device according to an eighth embodiment of the present invention. FIG. 16 is the spherical aberration, astigmatism and distortion curves of the eighth embodiment in order from left to right. FIG. 17 is a schematic diagram of an imaging device according to a ninth embodiment of the present invention. FIG. 18 is the spherical aberration, astigmatism and distortion curves of the ninth embodiment in order from left to right. FIG. 19 is a schematic diagram of an imaging device according to a tenth embodiment of the present invention. FIG. 20 is the spherical aberration, astigmatism and distortion curves of the tenth embodiment in order from left to right. FIG. 21 is a schematic diagram of an imaging device according to an eleventh embodiment of the present invention. FIG. 22 is a graph showing the spherical aberration, astigmatism and distortion curves of the eleventh embodiment from left to right. FIG. 23 is a schematic perspective view of an imaging device according to a twelfth embodiment of the present invention. FIG. 24 is a schematic perspective view of one side of an electronic device according to a thirteenth embodiment of the present invention. FIG. 25 is a schematic perspective view of another side of the electronic device shown in FIG. 24 . FIG. 26 is a system block diagram of the electronic device in FIG. 24 . FIG. 27 is a schematic perspective view of one side of an electronic device according to a fourteenth embodiment of the present invention. FIG. 28 is a schematic perspective view of one side of an electronic device according to a fifteenth embodiment of the present invention. FIG. 29 is a schematic diagram of the parameter Yc102 and the inflection point and critical point of some lenses according to the first embodiment of the present invention. FIG. 30 is a schematic diagram showing a configuration relationship of optical path deflecting elements in an optical image lens system group according to the present invention. FIG. 31 is a schematic diagram showing another arrangement relationship of the optical path deflection element in the optical image lens system group according to the present invention. FIG. 32 is a schematic diagram showing a configuration relationship of two optical path deflecting elements in an optical imaging lens system group according to the present invention.

1: Imaging device ST: Aperture S1: Aperture E1: first lens E2: second lens E3: third lens E4: Fourth lens E5: fifth lens E6: sixth lens E7: seventh lens E8: Eighth lens E9: ninth lens E10: tenth lens E11: Filter element IMG: imaging surface IS: electronic photosensitive element

Claims (12)

An optical image lens system group, comprising ten lenses, the ten lenses are sequentially the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens along the optical path from the object side to the image side , the seventh lens, the eighth lens, the ninth lens and the tenth lens, and the ten lenses respectively have an object-side surface facing the object-side direction and an image-side surface facing the image-side direction; Wherein, the total number of lenses in the optical image lens system group is only ten, the image-side surface of the tenth lens is concave at the near optical axis, and the image-side surface of the tenth lens has at least one inflection point; Wherein, the maximum refractive index of all lenses in the optical image lens system group is Nmax, the distance between the third lens and the fourth lens on the optical axis is T34, and the fourth lens and the fifth lens are on the optical axis The distance above is T45, the focal length of the first lens is f1, and the focal length of the second lens is f2, which satisfy the following conditions: 1.50 < Nmax < 1.80; 0 < T34/T45 < 6.0; and 0 < |f2/f1| < 1.10. The optical image lens system set as described in Claim 1, wherein the first lens has positive refractive power, the image-side surface of the eighth lens is concave at the near optical axis, and the image-side surface of the eighth lens is off-axis Has at least one convex surface. The optical image lens system set as described in Claim 1, wherein the object side surface of the second lens is convex at the near optical axis, the image side surface of the second lens is concave at the near optical axis, and the image side of the third lens is The surface is concave at the near optical axis, and at least four lenses in the optical image lens system group are made of plastic material. The optical image lens system set as described in Claim 1, wherein the focal length of the optical image lens system set is f, the focal length of the second lens is f2, and it satisfies the following conditions: 0.20 < f/f2 < 0.85. The optical imaging lens system set as claimed in claim 1, wherein the image-side surface of the eighth lens has at least one critical point off-axis; Wherein, the focal length of the optical image lens system group is f, the entrance pupil aperture of the optical image lens system group is EPD, and the distance from the object side surface of the first lens to an imaging surface on the optical axis is TL, which satisfies the following conditions : 0.80 < f/EPD ≤ 2.0; and 0.80 < TL/f < 1.30. The optical image lens system set as described in Claim 1, wherein the Abbe number of the fifth lens is V5, and the Abbe number of the sixth lens is V6, which satisfy the following conditions: 20.0 < V5+V6 < 90.0. The optical image lens system set as described in Claim 1, wherein the entrance pupil diameter of the optical image lens system set is EPD, and the distance from the image-side surface of the tenth lens to an imaging plane on the optical axis is BL, which satisfies the following condition: 2.40 < EPD/BL < 6.0. The optical image lens system set as described in Claim 1 further includes an aperture, wherein the distance from the aperture to the image-side surface of the tenth lens on the optical axis is SD, and the distance from the object-side surface of the first lens to the tenth lens is SD. The distance of the mirror image side surface on the optical axis is TD, the maximum imaging height of the optical image lens system group is 1 mgH, and the distance from the first lens object side surface to an imaging plane on the optical axis is TL, which meets the following conditions: 0.60 < SD/TD < 1.20; 4.50 [mm] < ImgH < 12.0 [mm]; and 4.0 [mm] ＜ TL ＜ 15.0 [mm]. The optical image lens system set as described in claim 1, wherein the Abbe numbers of at least four lenses in the optical image lens system set are all less than 40.0; Wherein, the distance on the optical axis from the image-side surface of the tenth lens to an imaging surface is BL, and the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, which satisfies the following conditions : 0 < BL/TD < 0.25. The optical image lens system group as described in claim 1, wherein the maximum imaging height of the optical image lens system group is ImgH, and the distance from the image side surface of the tenth lens to an imaging surface on the optical axis is BL, which satisfies the following condition: 4.0<ImgH/BL<20.0. The optical image lens system group as described in claim 1, wherein the sum of the thicknesses of all the lenses on the optical axis in the optical image lens system group is ΣCT, and the distance between the object-side surface of the first lens and the image-side surface of the tenth lens is The distance on the axis is TD, which satisfies the following conditions: 0.50 < ΣCT/TD < 0.90. The optical image lens system set as described in Claim 1, wherein the distance between the seventh lens and the eighth lens on the optical axis is T78, and the distance between the eighth lens and the ninth lens on the optical axis is T78 T89, which meets the following conditions: 0 < T89/T78 < 1.30.

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