WO2020134093A1 - Optical imaging lens - Google Patents

Abstract

Disclosed by the present application is an optical imaging lens; said optical imaging lens comprises, in order along the optical axis from the object side to the image side: a first lens having a positive focal power, a second lens having a focal power, a third lens having a focal power; a fourth lens having a focal power; a fifth lens having a positive focal power, the object side face thereof being a convex surface and the image side face being a concave surface; a sixth lens having a negative focal power. The distance TTL between the object side surface of the first lens and the imaging surface of the optical imaging lens on the optical axis and the half of the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens ImgH satisfy TTL/ImgH<1.4; the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy f/EPD<1.90.

Description

Optical imaging lens

Cross-reference of related applications

This application requires the priority and rights of the Chinese patent application with the patent application number 201811600338.5 filed on December 26, 2018 at the China National Intellectual Property Administration (CNIPA). This Chinese patent application is incorporated herein by reference in its entirety.

Technical field

The present application relates to an optical imaging lens, and more particularly, to an optical imaging lens including six lenses.

Background technique

With the development of science and technology, portable electronic products are gradually emerging, and portable electronic products with a camera function are more favored by people, so the demand for imaging lenses suitable for portable electronic products is gradually increasing. On the one hand, since portable electronic products such as smart phones tend to be miniaturized, the total length of the lens is limited, thereby increasing the difficulty of lens design. On the other hand, with the improvement of the performance of common photosensitive elements such as photosensitive coupling elements (CCD) or complementary metal oxide semiconductor elements (CMOS), the number of pixels of the photosensitive element continues to increase, resulting in an ever-increasing image surface size. The imaging performance requirements of matching imaging lenses are getting higher and higher.

Summary of the invention

The present application provides an optical imaging lens applicable to portable electronic products, which can at least solve or partially solve the above-mentioned at least one disadvantage in the prior art.

On the one hand, the present application provides such an optical imaging lens, which may include, in order from the object side to the image side along the optical axis: a first lens with positive power; a second lens with power; A third lens with optical power; a fourth lens with optical power; a fifth lens with positive optical power, which has a convex surface on the object side and a concave surface on the image side; and a sixth lens with negative power. Among them, the distance between the object side of the first lens and the imaging surface of the optical imaging lens on the optical axis TTL and the half of the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens ImgH can satisfy TTL/ImgH<1.4; and optical The total effective focal length f of the imaging lens and the entrance pupil diameter EPD of the optical imaging lens can satisfy f/EPD<1.90.

In one embodiment, the distance BFL from the image side of the sixth lens to the imaging surface of the optical imaging lens on the optical axis and the distance TTL on the optical axis of the object side of the first lens to the imaging surface of the optical imaging lens can satisfy 0.11 ≤BFL/TTL.

In one embodiment, the effective focal length f1 of the first lens and the effective focal length f6 of the sixth lens may satisfy 0.8≦|f6|/|f1|<1.2.

In one embodiment, the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens may satisfy -2.5<f2/f≤-1.6.

In one embodiment, the combined focal length f234 of the second lens, the third lens, and the fourth lens and the total effective focal length f of the optical imaging lens may satisfy -3.5≤f234/f≤-1.8.

In one embodiment, the combined focal length f56 of the fifth lens and the sixth lens and the total effective focal length f of the optical imaging lens may satisfy -1.7<f56/f<-1.

In one embodiment, the radius of curvature R1 of the object side of the first lens and the radius of curvature R2 of the image side of the first lens may satisfy -2<(R1+R2)/(R1-R2)<-1.6.

In one embodiment, the center thickness of the first lens on the optical axis CT1, the separation distance T12 of the first lens and the second lens on the optical axis, the center thickness of the second lens on the optical axis CT2, and the second lens and The separation distance T23 of the third lens on the optical axis can satisfy 1.35≦CT1/(T12+CT2+T23)<1.6.

In one embodiment, the sum of the central thickness of the first lens to the sixth lens on the optical axis, ΣCT, and the sum of the separation distances of any two adjacent lenses of the first lens to the sixth lens on the optical axis, ΣT It can satisfy 1.1<∑CT/∑T≤1.5.

In one embodiment, the separation distance between the fourth lens and the fifth lens on the optical axis T45, the center thickness of the fifth lens on the optical axis CT5, the separation distance between the fifth lens and the sixth lens on the optical axis T56, and The distance TTL from the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis can satisfy 0.3<(T45+CT5+T56)/TTL≤0.4.

In one embodiment, the axial distance SAG11 between the intersection of the object side of the sixth lens and the optical axis to the vertex of the effective radius of the object side of the sixth lens and the center thickness of the sixth lens on the optical axis CT6 can satisfy -5.3<SAG11 /CT6≤-2.4.

In one embodiment, the maximum effective diameter SD12 of the image side of the sixth lens and the maximum effective diameter SD4 of the image side of the second lens may satisfy 3<SD12/SD4<3.6.

In one embodiment, the axial distance SAG1 between the intersection of the maximum effective diameter SD1 of the object side of the first lens with the object side of the first lens and the optical axis to the vertex of the effective radius of the object side of the first lens can satisfy 2≤SD1/ SAG1<2.2.

On the other hand, the present application also provides an optical imaging lens, which may include, in order from the object side to the image side along the optical axis: a first lens with positive power; a second lens with optical power The lens has a concave object side; the third lens with optical power has a concave image side; the fourth lens has optical power; the fifth lens with positive power has a convex surface and the image side has a convex surface Concave surface; sixth lens with optical power. Among them, the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens can satisfy f/EPD<1.90.

In yet another aspect, the present application also provides an optical imaging lens, which may include, in order from the object side to the image side along the optical axis: a first lens having optical power; a first lens having negative optical power Two lenses; a third lens with optical power, the object side is convex, and the image side is concave; a fourth lens with optical power; a fifth lens with positive power, the object side is convex, and the image side is Concave surface; the sixth lens with optical power, the object side and the image side are concave. Among them, the distance from the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis TTL, the aperture value of the optical imaging lens Fno and the effective pixel area on the imaging surface of the optical imaging lens are half the diagonal length ImgH TTL*Fno/ImgH<2.5.

This application uses six lenses. By reasonably allocating the power, surface type, center thickness of each lens, and the axial distance between each lens, etc., the above optical lens group has a miniaturized, ultra-thin, large At least one beneficial effect such as image plane, large aperture, high imaging quality and so on.

BRIEF DESCRIPTION

With reference to the drawings, through the following detailed description of the non-limiting embodiments, other features, objects, and advantages of the present application will become more apparent. In the drawings:

1 shows a schematic structural view of an optical imaging lens according to Example 1 of the present application; FIGS. 2A to 2D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 1. curve;

FIG. 3 shows a schematic structural diagram of an optical imaging lens according to Example 2 of the present application; FIGS. 4A to 4D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 2. curve;

FIG. 5 shows a schematic structural diagram of an optical imaging lens according to Example 3 of the present application; FIGS. 6A to 6D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 3; curve;

7 shows a schematic structural view of an optical imaging lens according to Example 4 of the present application; FIGS. 8A to 8D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 4. curve;

9 shows a schematic structural diagram of an optical imaging lens according to Example 5 of the present application; FIGS. 10A to 10D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Example 5 respectively. curve;

FIG. 11 shows a schematic structural view of an optical imaging lens according to Example 6 of the present application; FIGS. 12A to 12D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 6; curve;

13 shows a schematic structural view of an optical imaging lens according to Example 7 of the present application; FIGS. 14A to 14D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 7. curve;

15 shows a schematic structural view of an optical imaging lens according to Example 8 of the present application; FIGS. 16A to 16D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 8. curve;

FIG. 17 shows a schematic structural view of an optical imaging lens according to Example 9 of the present application; FIGS. 18A to 18D show on-axis chromatic aberration curves, astigmatism curves, distortion curves, and magnification chromatic aberrations of the optical imaging lens of Example 9 respectively. curve;

FIG. 19 shows a schematic structural diagram of an optical imaging lens according to Example 10 of the present application; FIGS. 20A to 20D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 10; curve;

21 shows a schematic structural diagram of an optical imaging lens according to Example 11 of the present application; FIGS. 22A to 22D respectively show an on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration of the optical imaging lens of Example 11. curve.

detailed description

In order to better understand the application, various aspects of the application will be described in more detail with reference to the drawings. It should be understood that these detailed descriptions are merely descriptions of exemplary embodiments of the present application, and do not limit the scope of the present application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and/or" includes any and all combinations of one or more of the associated listed items.

It should be noted that in this specification, the expressions of first, second, third, etc. are only used to distinguish one feature from another feature, and do not represent any limitation on the feature. Therefore, without departing from the teaching of this application, the first lens discussed below may also be referred to as a second lens or a third lens.

In the drawings, the thickness, size, and shape of the lens have been slightly exaggerated for ease of explanation. Specifically, the shape of the spherical surface or aspherical surface shown in the drawings is shown by way of example. That is, the shape of the spherical surface or aspherical surface is not limited to the shape of the spherical surface or aspherical surface shown in the drawings. The drawings are only examples and are not strictly drawn to scale.

In this article, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the convex position is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the concave position is not defined, it means that the lens surface is at least in the paraxial region. Concave surface. The surface of each lens closest to the object is called the object side of the lens, and the surface of each lens closest to the imaging surface is called the image side of the lens.

It should also be understood that the terms "including", "including", "having", "including" and/or "including" when used in this specification indicate the presence of the stated features, elements and/or components , But does not exclude the presence or addition of one or more other features, elements, components, and/or combinations thereof. In addition, when an expression such as "at least one of" appears after the list of listed features, the entire listed feature is modified, rather than modifying individual elements in the list. In addition, when describing embodiments of the present application, use "may" to mean "one or more embodiments of the present application." Also, the term "exemplary" is intended to refer to an example or illustration.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms (such as those defined in commonly used dictionaries) should be interpreted as having meanings consistent with their meaning in the context of related technologies, and will not be interpreted in an idealized or excessively formal sense unless This article clearly so limited.

It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments. The features, principles and other aspects of the present application are described in detail below.

The optical imaging lens according to the exemplary embodiment of the present application may include, for example, six lenses having optical power, that is, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The six lenses are arranged in order along the optical axis from the object side to the image side. In the first lens to the sixth lens, any adjacent two lenses may have an air gap.

In an exemplary embodiment, the first lens may have positive power, its object side may be convex, and the image side may be concave; the second lens may have negative power, its image side may be concave; the third lens has Positive or negative power, the object side can be convex, and the image side can be concave; the fourth lens has positive or negative power, the object side can be concave; the fifth lens can have positive power The object side can be convex and the image side can be concave; the sixth lens can have negative power, the object side can be concave and the image side can be concave.

Reasonable control of the optical power of the first lens is helpful to reduce the aberration of the on-axis field of view, so that the system has good imaging performance on the axis. Reasonable control of the power and surface shape of the second and third lens profiles and the fifth lens is beneficial to balancing the high-level aberrations produced by the lens, so that the system has a small aberration. Reasonable control of the optical power of the second lens and the surface shape of the third lens is beneficial to reduce the aberration of the on-axis field of view, so that the system has good imaging performance on the axis. Reasonable control of the power and surface shape of the fifth lens and the power and surface shape of the sixth lens is beneficial to balancing the high-level aberrations generated by the lens and making the system have smaller aberrations.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression TTL/ImgH<1.4, where TTL is the distance from the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis, and ImgH is The effective pixel area on the imaging surface of the optical imaging lens is half the diagonal length. More specifically, TTL and ImgH can further satisfy 1.26≤TTL/ImgH≤1.28. By constraining the ratio between the total length of the system and the image height, the ultra-thin characteristics of the system can be achieved.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression f/EPD<1.90, where f is the total effective focal length of the optical imaging lens and EPD is the entrance pupil diameter of the optical imaging lens. More specifically, f and EPD can further satisfy 1.88≦f/EPD≦1.90. By restricting the focal length of the system and the diameter of the entrance pupil of the system, the F number of the imaging system of the large image plane is not greater than 1.90, which can ensure that the system has a large aperture imaging effect and has good imaging quality in a dark environment.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression TTL*Fno/ImgH<2.5, where TTL is the distance from the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis, Fno is the aperture value of the optical imaging lens, and ImgH is half the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens. More specifically, TTL, Fno, and ImgH can further satisfy 2.37≤TTL*Fno/ImgH≤2.41. By constraining the ratio of the product of the total length of the system and the relative aperture to the image height, the optical system has the characteristics of ultra-thin and large aperture.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 0.11≤BFL/TTL, where BFL is the distance from the image side of the sixth lens to the imaging surface of the optical imaging lens on the optical axis, and TTL is The distance from the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis. More specifically, BFL and TTL can further satisfy 0.11≤BFL/TTL≤0.14. By controlling the ratio of the axial distance between the image side of the sixth lens of the optical imaging lens to the imaging plane and the total length of the system, it is beneficial to the assembly characteristics of the system structure.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 0.8≦|f6|/|f1|<1.2, where f1 is the effective focal length of the first lens and f6 is the effective focal length of the sixth lens. More specifically, f1 and f6 can further satisfy 0.80≦|f6|/|f1|≦1.13. By reasonably controlling the ratio of the effective focal lengths of the first lens and the sixth lens, the optical power of the system can be reasonably distributed so that the positive and negative spherical aberrations of the front group lens and the rear group lens cancel each other out.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression -2.5<f2/f≤-1.6, where f2 is the effective focal length of the second lens and f is the total effective focal length of the optical imaging lens. More specifically, f2 and f can further satisfy -2.41≤f2/f≤-1.60. By reasonably adjusting the power ratio between the second lens and the system within a certain range, it is beneficial to balance the off-axis aberration of the optical system.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression -3.5≤f234/f≤-1.8, where f234 is the combined focal length of the second lens, the third lens, and the fourth lens, and f is the optical The total effective focal length of the imaging lens. More specifically, f234 and f can further satisfy -3.50≤f234/f≤-1.80. By restricting the effective focal length of the optical imaging lens and the combined focal length of the second, third, and fourth lenses to be within a certain range, the optical power of the system can be reasonably allocated, so that the system has good imaging quality and effectively reduces the sensitivity of the system .

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression -1.7<f56/f<-1, where f56 is the combined focal length of the fifth lens and the sixth lens, and f is the total of the optical imaging lens Effective focal length. More specifically, f56 and f can further satisfy −1.64≦f56/f≦−1.06. By reasonably adjusting the combined focal length of the fifth and sixth lenses and the system power ratio within a certain range, it is beneficial to balance the off-axis aberration of the optical system.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression -2<(R1+R2)/(R1-R2)<-1.6, where R1 is the radius of curvature of the object side of the first lens, R2 is the radius of curvature of the image side of the first lens. More specifically, R1 and R2 can further satisfy -1.98≤(R1+R2)/(R1-R2)≤-1.66. By constraining the ratio of the sum of the curvature radius of the object side and the image side curvature radius of the first lens to a certain range, the field curvature of each field of view can be balanced within a reasonable range, so that the imaging system has good imaging quality.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 1.35≤CT1/(T12+CT2+T23)<1.6, where CT1 is the center thickness of the first lens on the optical axis and T12 is the first The separation distance between the first lens and the second lens on the optical axis, CT2 is the center thickness of the second lens on the optical axis, and T23 is the separation distance between the second lens and the third lens on the optical axis. More specifically, CT1, T12, CT2, and T23 can further satisfy 1.35≤CT1/(T12+CT2+T23)≤1.58. By constraining the ratio of the center thickness of the first lens to the air gap between the first lens and the second lens on the optical axis, the center thickness of the second lens, and the air gap between the second lens and the third lens on the optical axis Within a certain range, it can ensure that the optical elements have good processability characteristics.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 1.1<∑CT/∑T≦1.5, where ∑CT is the sum of the center thicknesses of the first lens to the sixth lens on the optical axis, respectively , ∑T is the sum of the separation distances of any two adjacent lenses on the optical axis from the first lens to the sixth lens. More specifically, ΣCT and ΣT can further satisfy 1.12≦ΣCT/ΣT≦1.50. By controlling the ratio of the sum of the central thickness of the first lens to the sixth lens on the axis and the sum of the axial spacing of any two adjacent lenses in the first lens to the sixth lens, the total system length TTL can be ensured within a certain range .

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 0.3<(T45+CT5+T56)/TTL≤0.4, where T45 is the separation distance between the fourth lens and the fifth lens on the optical axis , CT5 is the center thickness of the fifth lens on the optical axis, T56 is the separation distance between the fifth lens and the sixth lens on the optical axis, TTL is the object surface of the first lens to the imaging surface of the optical imaging lens on the optical axis the distance. More specifically, T45, CT5, T56 and TTL can further satisfy 0.33≤(T45+CT5+T56)/TTL≤0.40. By controlling the ratio of the sum of the air gap of the fourth and fifth lenses, the center thickness of the fifth lens, the air gap of the fifth and sixth lenses, and the total length of the system, the system can have ultra-thin characteristics.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression -5.3<SAG11/CT6≤-2.4, where SAG11 is the intersection of the object side of the sixth lens and the optical axis to the object side of the sixth lens The axial distance of the effective radius vertex, CT6 is the central thickness of the sixth lens on the optical axis. More specifically, SAG11 and CT6 can further satisfy -5.27≤SAG11/CT6≤-2.40. By controlling SAG11 and CT6 to meet the above requirements, the incident angle of the chief ray on the object side of the sixth lens can be effectively reduced, and the matching degree between the lens and the chip can be improved.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 3<SD12/SD4<3.6, where SD12 is the maximum effective diameter of the image side of the sixth lens and SD4 is the image side of the second lens Maximum effective diameter. More specifically, SD12 and SD4 can further satisfy 3.04≦SD12/SD4≦3.58. By controlling the ratio of the maximum effective diameter of the image side of the sixth lens and the image side of the second lens, it is beneficial to improve the performance of the system's edge field of view.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression 2≤SD1/SAG1<2.2, where SD1 is the maximum effective diameter of the object side of the first lens and SAG1 is the object side and light of the first lens The on-axis distance from the intersection point of the axis to the vertex of the effective radius of the object side of the first lens. More specifically, SD1 and SAG1 can further satisfy 2.00≦SD1/SAG1≦2.19. By controlling SD1 and SAG1 to meet the above requirements, you can ensure that the optical lens has good processing characteristics.

In an exemplary embodiment, the optical imaging lens according to the present application may satisfy the conditional expression TTL/f<1.2, where TTL is the distance from the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis, and f is The total effective focal length of the optical imaging lens. More specifically, TTL and f can further satisfy 1.05≤TTL/f≤1.11. By controlling TTL and f, it is conducive to miniaturization of the system.

In an exemplary embodiment, the above-mentioned optical imaging lens may further include a diaphragm to improve the imaging quality of the lens group. The diaphragm may be provided between the object side and the first lens. Optionally, the optical imaging lens described above may further include a filter for correcting color deviation and/or a protective glass for protecting the photosensitive element on the imaging surface.

The optical imaging lens according to the above embodiments of the present application may employ multiple lenses, such as the six described above. By reasonably allocating the power, surface shape, center thickness of each lens, and the on-axis spacing between each lens, etc., the volume of the lens can be effectively reduced, the sensitivity of the lens can be reduced, and the processability of the lens can be improved. The optical imaging lens is more conducive to production and processing and can be applied to portable electronic products. The optical lens group through the above configuration may also have beneficial effects such as ultra-thin, large image plane, large aperture, high imaging quality, and the like.

In the embodiment of the present application, at least one of the mirror surfaces of each lens is an aspheric mirror surface, that is, each of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens At least one of the object side and the image side of the lens is an aspheric mirror surface. The characteristics of aspheric lenses are: from the lens center to the lens periphery, the curvature is continuously changing. Unlike spherical lenses, which have a constant curvature from the center of the lens to the periphery of the lens, aspheric lenses have better curvature radius characteristics, and have the advantages of improving distortion aberrations and improving astigmatic aberrations. With the use of aspheric lenses, the aberrations that occur during imaging can be eliminated as much as possible, thereby improving imaging quality. Optionally, the object side and the image side of each of the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are aspherical mirror surfaces.

However, those skilled in the art should understand that, without departing from the technical solution claimed in this application, the number of lenses constituting the optical imaging lens can be changed to obtain various results and advantages described in this specification. For example, although the embodiment has been described with six lenses as an example, the optical imaging lens is not limited to include six lenses. If desired, the optical imaging lens may also include other numbers of lenses. Specific examples of the optical imaging lens applicable to the above-mentioned embodiment will be further described below with reference to the drawings.

Example 1

The optical imaging lens according to Embodiment 1 of the present application will be described below with reference to FIGS. 1 to 2D. FIG. 1 shows a schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application.

As shown in FIG. 1, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a third The four lens E4, the fifth lens E5, the sixth lens E6, the filter E7, and the imaging surface S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 1 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 1, wherein the units of radius of curvature and thickness are both millimeters (mm).

Table 1

In Embodiment 1, the object side and the image side of any one of the first lens E1 to the sixth lens E6 are aspherical, and the surface type x of each aspherical lens can be defined by, but not limited to, the following aspherical formula :

Where x is the distance from the apex of the aspheric surface to the height of the aspheric surface at the height h along the optical axis; c is the paraxial curvature of the aspheric surface, c = 1/R (that is, the paraxial curvature c is the above table 1 is the reciprocal of the radius of curvature R); k is the conic coefficient (given in Table 1); Ai is the correction coefficient for the i-th order of the aspheric surface. Table 2 below shows the high-order coefficients A ₄ , A ₆ , A ₈ , A ₁₀ , A ₁₂ , A ₁₄ , A ₁₆ , A ₁₈ and A ₂₀ that can be used for each aspherical mirror surface S1-S12 in Example 1. .

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	2.196E-03	-3.261E-02	1.467E-01	-3.843E-01	6.074E-01	-5.925E-01	3.473E-01	-1.123E-01	1.513E-02
S2	-4.728E-02	4.898E-02	-1.272E-01	3.862E-01	-8.106E-01	1.026E+00	-7.730E-01	3.205E-01	-5.621E-02
S3	-5.011E-02	1.611E-01	-1.095E-01	1.329E-01	-5.042E-01	1.016E+00	-1.034E+00	5.359E-01	-1.122E-01
S4	-5.246E-02	3.161E-01	-7.501E-01	2.096E+00	-4.034E+00	4.513E+00	-2.359E+00	7.722E-02	3.060E-01
S5	-1.245E-01	-1.635E-01	1.653E+00	-7.295E+00	1.889E+01	-3.041E+01	2.982E+01	-1.633E+01	3.840E+00
S6	-9.724E-02	-3.858E-02	3.059E-01	-1.109E+00	2.203E+00	-2.754E+00	2.132E+00	-9.385E-01	1.823E-01
S7	-1.156E-01	-8.524E-02	6.175E-01	-1.745E+00	2.861E+00	-2.877E+00	1.705E+00	-5.108E-01	3.047E-02
S8	-1.325E-01	4.776E-02	7.220E-02	-1.997E-01	2.562E-01	-1.758E-01	6.482E-02	-1.185E-02	7.198E-04
S9	-7.758E-02	-7.087E-03	-2.787E-03	4.271E-03	1.944E-04	-8.723E-04	3.077E-04	-4.940E-05	3.494E-06
S10	-1.294E-02	-3.205E-02	1.993E-02	-1.042E-02	4.004E-03	-9.692E-04	1.295E-04	-5.654E-06	-7.064E-07
S11	-7.858E-02	8.612E-02	-5.365E-02	1.886E-02	-3.874E-03	4.814E-04	-3.590E-05	1.481E-06	-1.928E-08
S12	-1.417E-01	1.060E-01	-6.590E-02	2.710E-02	-7.195E-03	1.234E-03	-1.330E-04	8.026E-06	-1.314E-07

Table 2

Table 3 shows the effective focal lengths f1 to f6 of each lens in Example 1, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

f1(mm)	3.51	f6(mm)	-3.74
f2(mm)	-8.18	f(mm)	4.72
f3(mm)	32.03	TTL(mm)	5.00
f4(mm)	106.65	ImgH(mm)	3.93
f5(mm)	20.15	A	A

table 3

FIG. 2A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 1, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 2B shows the astigmatism curve of the optical imaging lens of Example 1, which represents meridional image plane curvature and sagittal image plane curvature. FIG. 2C shows the distortion curve of the optical imaging lens of Example 1, which represents the distortion magnitude values corresponding to different image heights. 2D shows the magnification chromatic aberration curve of the optical imaging lens of Example 1, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 2A to 2D that the optical imaging lens provided in Embodiment 1 can achieve good imaging quality.

Example 2

The optical imaging lens according to Embodiment 2 of the present application will be described below with reference to FIGS. 3 to 4D. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those of Embodiment 1 will be omitted. FIG. 3 shows a schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application.

As shown in FIG. 3, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 4 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 2, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 5 shows the higher-order coefficients that can be used for each aspherical mirror surface in Example 2, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 6 shows the effective focal lengths f1 to f6 of the lenses in Example 2, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 4

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	3.761E-03	-4.615E-02	2.084E-01	-5.389E-01	8.415E-01	-8.126E-01	4.731E-01	-1.524E-01	2.061E-02
S2	-6.677E-02	8.206E-03	3.091E-01	-1.064E+00	1.923E+00	-2.099E+00	1.358E+00	-4.747E-01	6.859E-02
S3	-8.502E-02	1.719E-01	1.467E-01	-9.518E-01	1.785E+00	-1.841E+00	1.085E+00	-3.256E-01	3.569E-02
S4	-5.710E-02	2.932E-01	-4.216E-01	5.893E-01	-1.688E-01	-1.644E+00	3.655E+00	-3.208E+00	1.073E+00
S5	-1.154E-01	-1.818E-01	1.775E+00	-7.775E+00	1.996E+01	-3.179E+01	3.082E+01	-1.669E+01	3.884E+00
S6	-9.141E-02	-3.012E-02	2.634E-01	-9.942E-01	2.038E+00	-2.659E+00	2.170E+00	-1.014E+00	2.095E-01
S7	-1.116E-01	-8.675E-02	6.524E-01	-1.904E+00	3.249E+00	-3.417E+00	2.131E+00	-6.826E-01	5.091E-02
S8	-1.258E-01	4.465E-02	8.368E-02	-2.320E-01	3.058E-01	-2.169E-01	8.297E-02	-1.577E-02	1.016E-03
S9	-7.287E-02	1.635E-03	-1.566E-02	1.200E-02	-3.084E-03	1.541E-04	1.051E-04	-2.897E-05	2.897E-06
S10	-1.334E-02	-2.468E-02	1.472E-02	-1.003E-02	5.029E-03	-1.492E-03	2.410E-04	-1.540E-05	-8.596E-07
S11	-1.033E-01	1.102E-01	-6.024E-02	1.538E-02	8.879E-04	-2.164E-03	8.828E-04	-2.150E-04	3.516E-05
S12	-1.677E-01	1.291E-01	-7.828E-02	3.129E-02	-8.096E-03	1.354E-03	-1.427E-04	8.593E-06	-1.789E-07

table 5

f1(mm)	3.53	f6(mm)	-3.68
f2(mm)	-8.02	f(mm)	4.72
f3(mm)	32.35	TTL(mm)	5.00
f4(mm)	101.71	ImgH(mm)	3.93
f5(mm)	17.71	A	A

Table 6

FIG. 4A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 2, which indicates that rays of different wavelengths will deviate from the focus point after passing through the lens. 4B shows the astigmatism curve of the optical imaging lens of Example 2, which represents meridional image plane curvature and sagittal image plane curvature. 4C shows the distortion curve of the optical imaging lens of Example 2, which represents the distortion magnitude values corresponding to different image heights. 4D shows the magnification chromatic aberration curve of the optical imaging lens of Example 2, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 4A to 4D that the optical imaging lens provided in Embodiment 2 can achieve good imaging quality.

Example 3

The optical imaging lens according to Embodiment 3 of the present application is described below with reference to FIGS. 5 to 6D. FIG. 5 shows a schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application.

As shown in FIG. 5, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has a positive power, and its object side surface S9 is a convex surface, and its image side surface S10 is a concave surface. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 7 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 3, where the units of radius of curvature and thickness are both millimeters (mm). Table 8 shows the high-order coefficients that can be used for each aspherical mirror surface in Example 3, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 9 shows the effective focal lengths f1 to f6 of each lens in Example 3, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is ImgH half.

Table 7

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	1.658E-03	-2.965E-02	1.390E-01	-3.750E-01	6.068E-01	-6.042E-01	3.607E-01	-1.086E-01	1.624E-02
S2	-4.099E-02	4.794E-02	-1.565E-01	4.713E-01	-9.610E-01	1.196E+00	-8.931E-01	3.687E-01	-6.459E-02
S3	-4.056E-02	1.734E-01	-2.196E-01	4.304E-01	-1.011E+00	1.585E+00	-1.439E+00	7.007E-01	-1.414E-01
S4	-5.252E-02	3.357E-01	-7.469E-01	1.793E+00	-2.870E+00	2.237E+00	1.825E-01	-1.462E+00	6.995E-01
S5	-1.460E-01	-8.720E-02	1.286E+00	-5.962E+00	1.566E+01	-2.544E+01	2.517E+01	-1.394E+01	3.326E+00
S6	-9.704E-02	-3.900E-02	2.907E-01	-1.046E+00	2.084E+00	-2.649E+00	2.112E+00	-9.689E-01	1.977E-01
S7	-1.076E-01	-1.080E-01	7.449E-01	-2.170E+00	3.715E+00	-3.900E+00	2.407E+00	-7.500E-01	4.694E-02
S8	-1.292E-01	4.798E-02	7.594E-02	-2.168E-01	2.925E-01	-2.112E-01	8.179E-02	-1.567E-02	9.934E-04
S9	-8.288E-02	4.412E-04	-1.216E-02	9.847E-03	-6.078E-04	-1.362E-03	5.438E-04	-8.989E-05	6.175E-06
S10	-1.854E-02	-2.926E-02	1.954E-02	-1.133E-02	4.716E-03	-1.173E-03	1.530E-04	-5.948E-06	-8.326E-07
S11	-8.081E-02	8.062E-02	-4.706E-02	1.586E-02	-3.141E-03	3.769E-04	-2.725E-05	1.098E-06	-1.147E-08
S12	-1.434E-01	1.068E-01	-6.739E-02	2.853E-02	-7.772E-03	1.352E-03	-1.461E-04	8.766E-06	-1.477E-07

Table 8

f1(mm)	3.50	f6(mm)	-3.80
f2(mm)	-7.91	f(mm)	4.72
f3(mm)	25.43	TTL(mm)	5.00

f4(mm)	149.18	ImgH(mm)	3.93
f5(mm)	21.75	A	A

Table 9

6A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 3, which indicates that rays of different wavelengths will deviate from the focus point after passing through the lens. 6B shows the astigmatism curve of the optical imaging lens of Example 3, which represents meridional image plane curvature and sagittal image plane curvature. 6C shows the distortion curve of the optical imaging lens of Example 3, which represents the distortion magnitude value under different image heights. 6D shows the magnification chromatic aberration curve of the optical imaging lens of Example 3, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 6A to 6D that the optical imaging lens provided in Embodiment 3 can achieve good imaging quality.

Example 4

The optical imaging lens according to Embodiment 4 of the present application is described below with reference to FIGS. 7 to 8D. 7 is a schematic structural diagram of an optical imaging lens according to Embodiment 4 of the present application.

As shown in FIG. 7, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 10 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 4, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 11 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 4, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 12 shows the effective focal lengths f1 to f6 of the lenses in Example 4, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is ImgH half.

Table 10

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	2.169E-03	-3.353E-02	1.510E-01	-3.947E-01	6.219E-01	-6.048E-01	3.534E-01	-1.139E-01	1.532E-02
S2	-4.376E-02	5.324E-02	-1.342E-01	3.681E-01	-7.387E-01	9.137E-01	-6.791E-01	2.794E-01	-4.883E-02
S3	-5.417E-02	1.962E-01	-2.514E-01	4.238E-01	-8.798E-01	1.318E+00	-1.172E+00	5.640E-01	-1.128E-01
S4	-6.475E-02	3.915E-01	-1.127E+00	3.479E+00	-7.554E+00	1.033E+01	-8.250E+00	3.404E+00	-4.971E-01
S5	-1.265E-01	-1.589E-01	1.630E+00	-7.022E+00	1.769E+01	-2.774E+01	2.657E+01	-1.426E+01	3.299E+00
S6	-7.945E-02	-7.472E-02	3.896E-01	-1.220E+00	2.244E+00	-2.664E+00	1.995E+00	-8.635E-01	1.674E-01
S7	-9.867E-02	-1.427E-01	7.808E-01	-2.032E+00	3.168E+00	-3.073E+00	1.778E+00	-5.287E-01	3.323E-02
S8	-1.197E-01	5.703E-03	1.749E-01	-3.619E-01	4.127E-01	-2.669E-01	9.590E-02	-1.744E-02	1.080E-03
S9	-7.113E-02	-9.402E-03	-2.711E-05	1.780E-04	2.859E-03	-1.768E-03	4.734E-04	-6.552E-05	4.156E-06
S10	-8.821E-03	-3.218E-02	2.046E-02	-1.169E-02	4.875E-03	-1.259E-03	1.797E-04	-9.534E-06	-7.268E-07
S11	-8.391E-02	9.007E-02	-5.495E-02	1.912E-02	-3.909E-03	4.842E-04	-3.598E-05	1.478E-06	-2.001E-08
S12	-1.462E-01	1.089E-01	-6.627E-02	2.662E-02	-6.916E-03	1.162E-03	-1.226E-04	7.273E-06	-1.252E-07

Table 11

f1(mm)	3.53	f6(mm)	-3.69
f2(mm)	-7.55	f(mm)	4.72
f3(mm)	21.86	TTL(mm)	5.00
f4(mm)	181.72	ImgH(mm)	3.93
f5(mm)	18.38	A	A

Table 12

FIG. 8A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 4, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 8B shows the astigmatism curve of the optical imaging lens of Example 4, which represents meridional image plane curvature and sagittal image plane curvature. 8C shows the distortion curve of the optical imaging lens of Example 4, which represents the distortion magnitude values corresponding to different image heights. 8D shows the magnification chromatic aberration curve of the optical imaging lens of Example 4, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. As can be seen from FIGS. 8A to 8D, the optical imaging lens provided in Example 4 can achieve good imaging quality.

Example 5

The optical imaging lens according to Embodiment 5 of the present application is described below with reference to FIGS. 9 to 10D. 9 is a schematic structural diagram of an optical imaging lens according to Embodiment 5 of the present application.

As shown in FIG. 9, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has a positive power, and its object side surface S9 is a convex surface, and its image side surface S10 is a concave surface. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 13 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 5, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 14 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 5, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 15 shows the effective focal lengths f1 to f6 of the lenses in Example 5, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 13

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	1.173E-03	-1.823E-02	9.987E-02	-2.978E-01	5.218E-01	-5.526E-01	3.456E-01	-1.174E-01	1.640E-02
S2	-2.553E-02	-1.099E-03	-9.144E-03	3.833E-01	-1.655E-01	3.090E-01	-2.944E-01	1.423E-01	-2.775E-02
S3	-1.384E-02	7.876E-02	-1.192E-01	2.889E-01	-6.523E-01	9.698E-01	-8.485E-01	4.027E-01	-7.966E-02
S4	-1.991E-02	2.975E-01	-1.182E+00	4.322E+00	-1.033E+01	1.555E+01	-1.409E+01	6.985E+00	-1.429E+00
S5	-1.110E-01	-6.259E-02	8.572E-01	-3.942E+00	1.013E+01	-1.598E+01	1.529E+01	-8.172E+00	1.881E+00
S6	-7.739E-02	-5.806E-03	1.239E-01	-5.001E-01	9.868E-01	-1.221E+00	9.439E-01	-4.233E-01	8.597E-02
S7	-9.351E-02	-1.335E-01	8.008E-01	-2.163E+00	3.532E+00	-3.592E+00	2.210E+00	-7.397E-01	8.884E-02
S8	-1.202E-01	-1.765E-02	2.348E-01	-4.691E-01	5.329E-01	-3.413E-01	1.189E-01	-2.016E-02	1.066E-03
S9	-4.830E-02	-5.534E-02	6.384E-02	-6.102E-02	3.693E-02	-1.267E-02	2.458E-03	-2.555E-04	1.142E-05
S10	4.465E-03	-5.071E-02	3.099E-02	-1.568E-02	6.051E-03	-1.497E-03	2.162E-04	-1.521E-05	9.986E-08
S11	-1.439E-01	1.118E-01	-5.512E-02	1.790E-02	-3.703E-03	4.844E-04	-3.883E-05	1.739E-06	-3.271E-08
S12	-2.004E-01	1.373E-01	-7.578E-02	2.804E-02	-6.759E-03	1.059E-03	-1.057E-04	6.250E-06	-1.682E-07

Table 14

f1(mm)	3.87	f6(mm)	-3.78
f2(mm)	-9.59	f(mm)	4.73
f3(mm)	63.20	TTL(mm)	5.00

f4(mm)	52.80	ImgH(mm)	3.93
f5(mm)	13.35	A	A

Table 15

FIG. 10A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 5, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 10B shows the astigmatism curve of the optical imaging lens of Example 5, which represents meridional image plane curvature and sagittal image plane curvature. FIG. 10C shows the distortion curve of the optical imaging lens of Example 5, which represents the distortion magnitude values corresponding to different viewing places. 10D shows the magnification chromatic aberration curve of the optical imaging lens of Example 5, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be known from FIGS. 10A to 10D that the optical imaging lens provided in Example 5 can achieve good imaging quality.

Example 6

The optical imaging lens according to Embodiment 6 of the present application is described below with reference to FIGS. 11 to 12D. FIG. 11 shows a schematic structural diagram of an optical imaging lens according to Embodiment 6 of the present application.

As shown in FIG. 11, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has negative refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 16 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 6, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 17 shows the high-order coefficients that can be used for each aspherical mirror surface in Example 6, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 18 shows the effective focal lengths f1 to f6 of the lenses in Example 6, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 16

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	-2.579E-04	-1.360E-02	8.933E-02	-2.725E-01	4.680E-01	-4.782E-01	2.868E-01	-9.307E-02	1.233E-02
S2	-3.575E-02	9.209E-03	-8.816E-03	1.168E-01	-3.755E-01	5.688E-01	-4.755E-01	2.105E-01	-3.853E-02
S3	-4.114E-02	7.889E-02	3.900E-02	-3.525E-02	-3.433E-01	8.500E-01	-8.838E-01	4.528E-01	-9.298E-02
S4	-2.765E-02	2.734E-01	-9.165E-01	3.132E+00	-6.587E+00	8.055E+00	-5.165E+00	1.224E+00	1.355E-01
S5	-1.004E-01	-2.037E-01	1.775E+00	-7.677E+00	1.977E+01	-3.167E+01	3.088E+01	-1.681E+01	3.927E+00
S6	-9.661E-02	3.589E-02	-6.898E-02	7.798E-02	-9.683E-02	2.716E-02	8.396E-02	-9.758E-02	3.358E-02
S7	-8.522E-02	-2.118E-01	1.040E+00	-2.655E+00	4.141E+00	-4.030E+00	2.340E+00	-6.993E-01	4.621E-02
S8	-1.028E-01	-6.461E-02	3.384E-01	-6.186E-01	6.809E-01	-4.433E-01	1.637E-01	-3.058E-02	1.778E-03
S9	-5.376E-02	-5.968E-02	6.335E-02	-5.129E-02	2.863E-02	-9.513E-03	1.827E-03	-1.901E-04	8.517E-06
S10	1.321E-02	-6.177E-02	3.988E-02	-1.777E-02	5.321E-03	-9.938E-04	9.890E-05	-1.600E-06	-7.206E-07
S11	-4.410E-02	3.827E-02	-1.615E-02	4.135E-03	-6.321E-04	5.356E-05	-1.040E-06	-3.504E-07	5.426E-08
S12	-1.179E-01	6.608E-02	-3.242E-02	1.107E-02	-2.472E-03	3.574E-04	-3.286E-05	1.815E-06	-5.106E-08

Table 17

f1(mm)	3.54	f6(mm)	-3.88
f2(mm)	-9.54	f(mm)	4.72
f3(mm)	-4575.97	TTL(mm)	5.00
f4(mm)	41.10	ImgH(mm)	3.93
f5(mm)	19.14	A	A

Table 18

12A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 6, which indicates that rays of different wavelengths will deviate from the focus point after passing through the lens. 12B shows the astigmatism curve of the optical imaging lens of Example 6, which represents meridional image plane curvature and sagittal image plane curvature. 12C shows the distortion curve of the optical imaging lens of Example 6, which represents the distortion magnitude values corresponding to different image heights. 12D shows the magnification chromatic aberration curve of the optical imaging lens of Example 6, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 12A to 12D that the optical imaging lens provided in Example 6 can achieve good imaging quality.

Example 7

The optical imaging lens according to Embodiment 7 of the present application is described below with reference to FIGS. 13 to 14D. 13 shows a schematic structural diagram of an optical imaging lens according to Example 7 of the present application.

As shown in FIG. 13, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side S3 is convex, and its image side S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative refractive power, and its object side surface S7 is concave and the image side surface S8 is concave. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 19 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 7, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 20 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 7, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 21 shows the effective focal lengths f1 to f6 of the lenses in Example 7, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 19

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	2.204E-04	1.683E-03	8.446E-03	-4.335E-02	9.555E-02	-1.139E-01	7.478E-02	-2.531E-02	3.148E-03
S2	-2.857E-02	1.387E-02	-6.447E-02	2.195E-01	-5.177E-01	7.454E-01	-6.384E-01	2.979E-01	-5.819E-02
S3	-4.074E-02	4.442E-02	1.251E-01	-4.604E-01	8.112E-01	-8.372E-01	4.940E-01	-1.418E-01	1.238E-02
S4	-3.430E-02	2.337E-01	-9.093E-01	3.410E+00	-8.103E+00	1.198E+01	-1.064E+01	5.187E+00	-1.050E+00
S5	-6.085E-02	-1.311E-01	1.005E+00	-4.159E+00	1.019E+01	-1.553E+01	1.442E+01	-7.487E+00	1.678E+00
S6	-5.224E-02	-5.068E-03	2.812E-02	-2.094E-01	5.002E-01	-7.429E-01	6.712E-01	-3.397E-01	7.487E-02
S7	-1.034E-01	-1.429E-01	5.611E-01	-1.116E+00	1.325E+00	-9.694E-01	4.156E-01	-8.934E-02	1.959E-03
S8	-1.130E-01	-6.393E-02	2.364E-01	-3.358E-01	2.868E-01	-1.422E-01	3.883E-02	-5.110E-03	1.870E-04
S9	-1.066E-02	-6.155E-02	5.388E-02	-4.584E-02	2.786E-02	-1.004E-02	2.046E-03	-2.170E-04	9.083E-06
S10	4.443E-02	-4.674E-02	1.341E-02	-1.931E-03	3.341E-05	7.719E-05	-2.410E-05	3.187E-06	-1.692E-07
S11	-7.604E-02	7.610E-02	-3.981E-02	1.197E-02	-2.160E-03	2.413E-04	-1.652E-05	6.418E-07	-1.071E-08
S12	-1.459E-01	9.431E-02	-4.745E-02	1.558E-02	-3.290E-03	4.436E-04	-3.714E-05	1.788E-06	-3.910E-08

Table 20

f1(mm)

3.97

f6(mm)

-3.17

f2(mm)	-10.71	f(mm)	4.56
f3(mm)	22.98	TTL(mm)	5.00
f4(mm)	-71.20	ImgH(mm)	3.93
f5(mm)	9.15	A	A

Table 21

FIG. 14A shows the on-axis chromatic aberration curve of the optical imaging lens of Example 7, which indicates that rays of different wavelengths will deviate from the focus point after passing through the lens. 14B shows the astigmatism curve of the optical imaging lens of Example 7, which represents meridional image plane curvature and sagittal image plane curvature. 14C shows the distortion curve of the optical imaging lens of Example 7, which represents the distortion magnitude values corresponding to different image heights. 14D shows the magnification chromatic aberration curve of the optical imaging lens of Example 7, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 14A to 14D that the optical imaging lens provided in Example 7 can achieve good imaging quality.

Example 8

The optical imaging lens according to Embodiment 8 of the present application is described below with reference to FIGS. 15 to 16D. 15 shows a schematic structural diagram of an optical imaging lens according to Embodiment 8 of the present application.

As shown in FIG. 15, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is convex, and its image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative refractive power, and its object side surface S7 is concave and the image side surface S8 is convex. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 22 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 8, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 23 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 8, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 24 shows the effective focal lengths f1 to f6 of the lenses in Example 8, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 22

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	9.193E-04	-2.980E-03	2.698E-02	-8.681E-02	1.585E-01	-1.705E-01	1.054E-01	-3.438E-02	4.273E-03
S2	-2.865E-02	1.358E-02	-6.944E-02	2.363E-01	-5.458E-01	7.761E-01	-6.604E-01	3.074E-01	-6.001E-02
S3	-3.995E-02	2.986E-02	2.002E-01	-7.109E-01	1.343E+00	-1.535E+00	1.040E+00	-3.754E-01	5.430E-02
S4	-3.038E-02	2.045E-01	-7.565E-01	2.876E+00	-6.888E+00	1.022E+01	-9.084E+00	4.413E+00	-8.842E-01
S5	-5.840E-02	-1.346E-01	9.874E-01	-4.057E+00	9.942E+00	-1.520E+01	1.416E+01	-7.394E+00	1.667E+00
S6	-4.865E-02	-2.385E-02	9.573E-02	-3.809E-01	7.883E-01	-1.056E+00	8.815E-01	-4.194E-01	8.792E-02
S7	-9.425E-02	-1.844E-01	6.895E-01	-1.377E+00	1.664E+00	-1.246E+00	5.503E-01	-1.227E-01	3.416E-03
S8	-1.062E-01	-9.145E-02	3.012E-01	-4.348E-01	3.810E-01	-1.963E-01	5.691E-02	-8.232E-03	3.633E-04
S9	-1.101E-02	-6.407E-02	5.841E-02	-5.079E-02	3.094E-02	-1.113E-02	2.263E-03	-2.393E-04	9.963E-06
S10	4.206E-02	-4.545E-02	1.300E-02	-1.941E-03	8.167E-05	6.211E-05	-2.185E-05	3.005E-06	-1.629E-07
S11	-8.527E-02	8.418E-02	-4.334E-02	1.287E-02	-2.303E-03	2.557E-04	-1.739E-05	6.708E-07	-1.111E-08
S12	-1.524E-01	9.899E-02	-4.934E-02	1.609E-02	-3.383E-03	4.545E-04	-3.789E-05	1.813E-06	-3.915E-08

Table 23

f1(mm)	3.97	f6(mm)	-3.19
f2(mm)	-10.97	f(mm)	4.56
f3(mm)	24.15	TTL(mm)	5.00
f4(mm)	-80.92	ImgH(mm)	3.93
f5(mm)	9.42	A	A

Table 24

16A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 8, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 16B shows the astigmatism curve of the optical imaging lens of Example 8, which represents meridional image plane curvature and sagittal image plane curvature. FIG. 16C shows the distortion curve of the optical imaging lens of Example 8, which represents the distortion magnitude values corresponding to different image heights. 16D shows the magnification chromatic aberration curve of the optical imaging lens of Example 8, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 16A to 16D that the optical imaging lens provided in Example 8 can achieve good imaging quality.

Example 9

The optical imaging lens according to Embodiment 9 of the present application is described below with reference to FIGS. 17 to 18D. 17 shows a schematic structural diagram of an optical imaging lens according to Embodiment 9 of the present application.

As shown in FIG. 17, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave, and its image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative refractive power, and its object side surface S7 is concave and the image side surface S8 is concave. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 25 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 9, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 26 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 9, wherein each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 27 shows the effective focal lengths f1 to f6 of the lenses in Example 9, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 25

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	-1.895E-04	7.460E-03	-1.976E-02	3.352E-02	-2.928E-02	9.687E-03	1.676E-03	-1.594E-03	-9.583E-05
S2	-2.902E-02	1.326E-02	-6.673E-02	2.393E-01	-5.713E-01	8.224E-01	-7.005E-01	3.247E-01	-6.297E-02
S3	-4.335E-02	6.453E-02	3.038E-02	-1.904E-01	3.386E-01	-3.240E-01	1.564E-01	-1.847E-02	-6.851E-03
S4	-3.096E-02	1.903E-01	-6.188E-01	2.291E+00	-5.458E+00	8.087E+00	-7.166E+00	3.462E+00	-6.848E-01
S5	-6.730E-02	-6.165E-02	6.130E-01	-2.846E+00	7.461E+00	-1.196E+01	1.157E+01	-6.220E+00	1.437E+00
S6	-4.942E-02	-3.754E-02	1.901E-01	-6.710E-01	1.304E+00	-1.610E+00	1.238E+00	-5.452E-01	1.065E-01
S7	-1.103E-01	-1.235E-01	5.137E-01	-1.034E+00	1.231E+00	-9.020E-01	3.887E-01	-8.431E-02	1.611E-03
S8	-1.177E-01	-5.812E-02	2.403E-01	-3.546E-01	3.100E-01	-1.574E-01	4.446E-02	-6.170E-03	2.521E-04
S9	-1.770E-02	-5.535E-02	5.081E-02	-4.337E-02	2.604E-02	-9.287E-03	1.880E-03	-1.983E-04	8.284E-06
S10	3.474E-02	-4.228E-02	1.388E-02	-3.282E-03	6.813E-04	-8.610E-05	-3.817E-07	1.301E-06	-9.729E-08
S11	-7.879E-02	7.422E-02	-3.861E-02	1.165E-02	-2.112E-03	2.366E-04	-1.622E-05	6.295E-07	-1.045E-08
S12	-1.467E-01	9.723E-02	-4.867E-02	1.578E-02	-3.293E-03	4.393E-04	-3.645E-05	1.741E-06	-3.757E-08

Table 26

f1(mm)

3.97

f6(mm)

-3.32

f2(mm)	-10.52	f(mm)	4.56
f3(mm)	22.26	TTL(mm)	5.04
f4(mm)	-62.27	ImgH(mm)	3.93
f5(mm)	9.38	A	A

Table 27

18A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 9, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 18B shows the astigmatism curve of the optical imaging lens of Example 9, which represents meridional image plane curvature and sagittal image plane curvature. 18C shows the distortion curve of the optical imaging lens of Example 9, which represents the distortion magnitude values corresponding to different image heights. 18D shows the magnification chromatic aberration curve of the optical imaging lens of Example 9, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be known from FIGS. 18A to 18D that the optical imaging lens provided in Example 9 can achieve good imaging quality.

Example 10

The optical imaging lens according to Embodiment 10 of the present application is described below with reference to FIGS. 19 to 20D. FIG. 19 shows a schematic structural diagram of an optical imaging lens according to Embodiment 10 of the present application.

As shown in FIG. 19, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave and the image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has positive refractive power, and its object side surface S7 is a concave surface, and its image side surface S8 is a convex surface. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 28 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 10, where the units of radius of curvature and thickness are both millimeters (mm). Table 29 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 10, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 30 shows the effective focal lengths f1 to f6 of the lenses in Example 10, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 28

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	-1.259E-03	-9.794E-03	6.800E-02	-2.266E-01	4.168E-01	-4.534E-01	2.884E-01	-9.951E-02	1.412E-02
S2	-3.757E-02	1.836E-02	-1.093E-02	4.209E-02	-1.627E-01	2.767E-01	-2.573E-01	1.270E-01	-2.580E-02
S3	-3.844E-02	1.010E-01	6.980E-02	-3.708E-01	5.537E-01	-4.207E-01	1.406E-01	1.295E-02	-1.505E-02
S4	-3.920E-02	3.231E-01	-9.927E-01	3.013E+00	-5.747E+00	6.183E+00	-3.019E+00	-3.427E-02	4.302E-01
S5	-1.093E-01	-2.361E-01	2.195E+00	-9.785E+00	2.559E+01	-4.129E+01	4.032E+01	-2.189E+01	5.087E+00
S6	-9.569E-02	1.326E-02	4.738E-02	-3.121E-01	6.449E-01	-8.487E-01	7.258E-01	-3.654E-01	8.284E-02
S7	-1.048E-01	-1.819E-01	1.064E+00	-2.889E+00	4.658E+00	-4.622E+00	2.702E+00	-8.028E-01	5.396E-02
S8	-1.332E-01	3.569E-02	1.052E-01	-2.346E-01	2.744E-01	-1.807E-01	6.554E-02	-1.192E-02	7.245E-04
S9	-7.116E-02	-2.041E-02	1.204E-02	-6.130E-03	4.940E-03	-2.241E-03	5.440E-04	-7.134E-05	4.333E-06
S10	-1.648E-03	-4.278E-02	2.599E-02	-1.189E-02	3.875E-03	-8.034E-04	9.123E-05	-2.622E-06	-5.673E-07
S11	-8.417E-02	9.471E-02	-5.948E-02	2.109E-02	-4.388E-03	5.527E-04	-4.150E-05	1.673E-06	-1.555E-08
S12	-1.525E-01	1.159E-01	-7.160E-02	2.898E-02	-7.563E-03	1.273E-03	-1.335E-04	7.504E-06	-3.582E-08

Table 29

f1(mm)	3.52	f6(mm)	-3.57
f2(mm)	-8.56	f(mm)	4.70
f3(mm)	39.20	TTL(mm)	4.95
f4(mm)	89.70	ImgH(mm)	3.93
f5(mm)	17.81	A	A

Table 30

FIG. 20A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 10, which indicates that rays of different wavelengths will deviate from the focus point after passing through the lens. FIG. 20B shows the astigmatism curve of the optical imaging lens of Example 10, which represents meridional image plane curvature and sagittal image plane curvature. FIG. 20C shows the distortion curve of the optical imaging lens of Example 10, which represents the distortion magnitude values corresponding to different image heights. FIG. 20D shows the magnification chromatic aberration curve of the optical imaging lens of Example 10, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 20A to 20D that the optical imaging lens provided in Example 10 can achieve good imaging quality.

Example 11

The optical imaging lens according to Embodiment 11 of the present application is described below with reference to FIGS. 21 to 22D. 21 is a schematic structural diagram of an optical imaging lens according to Example 11 of the present application.

As shown in FIG. 21, the optical imaging lens according to the exemplary embodiment of the present application includes, in order from the object side to the image side along the optical axis: an aperture STO, a first lens E1, a second lens E2, a third lens E3, a Four lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.

The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is concave. The second lens E2 has negative refractive power, and its object side surface S3 is concave, and its image side surface S4 is concave. The third lens E3 has positive refractive power, and its object side surface S5 is convex, and its image side surface S6 is concave. The fourth lens E4 has negative refractive power, and its object side surface S7 is concave and the image side surface S8 is concave. The fifth lens E5 has positive refractive power, and its object side surface S9 is convex, and its image side surface S10 is concave. The sixth lens E6 has negative refractive power, and its object side surface S11 is a concave surface, and the image side surface S12 is a concave surface. The filter E7 has an object side S13 and an image side S14. The light from the object sequentially passes through the surfaces S1 to S14 and is finally imaged on the imaging surface S15.

Table 31 shows the surface type, radius of curvature, thickness, material, and conic coefficient of each lens of the optical imaging lens of Example 11, wherein the units of radius of curvature and thickness are both millimeters (mm). Table 32 shows the coefficients of higher order that can be used for each aspherical mirror surface in Example 11, where each aspherical surface type can be defined by the formula (1) given in Example 1 above. Table 33 shows the effective focal lengths f1 to f6 of the lenses in Example 11, the total effective focal length f of the optical imaging lens, the distance TTL on the optical axis from the object side S1 of the first lens E1 to the imaging plane S15, and the imaging plane S15 The diagonal length of the upper effective pixel area is half of ImgH.

Table 31

Face number	A4	A6	A8	A10	A12	A14	A16	A18	A20
S1	3.775E-04	-1.672E-02	8.987E-02	-2.617E-01	4.449E-01	-4.607E-01	2.844E-01	-9.652E-02	1.359E-02
S2	-3.428E-02	9.022E-03	-3.129E-02	1.650E-01	-4.586E-01	6.821E-01	-5.794E-01	2.649E-01	-5.044E-02
S3	-3.063E-02	9.393E-02	-6.970E-02	2.491E-01	-8.081E-01	1.363E+00	-1.260E+00	6.204E-01	-1.268E-01
S4	-1.823E-02	2.381E-01	-7.420E-01	2.476E+00	-5.181E+00	6.349E+00	-4.104E+00	9.969E-01	9.990E-02
S5	-8.883E-02	-2.108E-01	1.814E+00	-8.019E+00	2.079E+01	-3.323E+01	3.217E+01	-1.734E+01	4.015E+00
S6	-1.052E-01	1.486E-01	-4.771E-01	9.330E-01	-1.264E+00	1.033E+00	-4.276E-01	3.564E-02	2.188E-02
S7	-2.166E-01	1.432E-01	5.499E-01	-2.421E+00	4.418E+00	-4.504E+00	2.571E+00	-7.001E-01	2.010E-02
S8	-2.965E-01	4.500E-01	-5.864E-01	5.498E-01	-3.277E-01	1.221E-01	-2.811E-02	3.683E-03	-1.831E-04
S9	-1.823E-01	1.677E-01	-1.753E-01	1.089E-01	-4.043E-02	9.265E-03	-1.249E-03	8.070E-05	-4.004E-07
S10	-1.054E-01	1.091E-01	-8.997E-02	4.263E-02	-1.302E-02	2.644E-03	-3.429E-04	2.540E-05	-8.031E-07
S11	-4.256E-01	4.671E-01	-2.734E-01	9.358E-02	-1.967E-02	2.576E-03	-2.042E-04	9.051E-06	-2.325E-07
S12	-3.963E-01	3.438E-01	-1.869E-01	6.449E-02	-1.455E-02	2.158E-03	-2.053E-04	1.144E-05	-2.466E-07

Table 32

f1(mm)

3.55

f6(mm)

-4.02

f2(mm)	-9.39	f(mm)	4.70
f3(mm)	35.11	TTL(mm)	5.02
f4(mm)	-26.69	ImgH(mm)	3.93
f5(mm)	11.54	A	A

Table 33

FIG. 22A shows an on-axis chromatic aberration curve of the optical imaging lens of Example 11, which indicates that rays of different wavelengths will deviate from the focal point after passing through the lens. 22B shows the astigmatism curve of the optical imaging lens of Example 11, which represents meridional image plane curvature and sagittal image plane curvature. 22C shows the distortion curve of the optical imaging lens of Example 11, which represents the distortion magnitude values corresponding to different image heights. 22D shows the magnification chromatic aberration curve of the optical imaging lens of Example 11, which represents the deviation of different image heights on the imaging plane of light rays passing through the lens. It can be seen from FIGS. 22A to 22D that the optical imaging lens provided in Example 11 can achieve good imaging quality.

In summary, Examples 1 to 11 satisfy the relationships shown in Table 34, respectively.

Conditional\Example	1	2	3	4	5	6	7	8	9	10	11
TTL/ImgH	1.27	1.27	1.27	1.27	1.27	1.27	1.27	1.27	1.28	1.26	1.28
f/EPD	1.88	1.88	1.88	1.88	1.90	1.88	1.88	1.88	1.88	1.88	1.88
TTL/f	1.06	1.06	1.06	1.06	1.06	1.06	1.10	1.10	1.11	1.05	1.07
BFL/TTL	0.11	0.11	0.11	0.11	0.12	0.12	0.11	0.11	0.11	0.12	0.14
TTL*Fno/ImgH	2.40	2.40	2.40	2.40	2.41	2.40	2.39	2.39	2.41	2.37	2.41
|f6|/|f1|	1.07	1.05	1.09	1.05	0.98	1.10	0.80	0.80	0.84	1.01	1.13
f2/f	-1.73	-1.70	-1.68	-1.60	-2.03	-2.02	-2.35	-2.41	-2.31	-1.82	-2.00
f234/f	-2.60	-2.52	-2.64	-2.60	-2.99	-2.65	-3.39	-3.50	-3.27	-2.66	-1.80
f56/f	-1.07	-1.10	-1.07	-1.08	-1.34	-1.14	-1.37	-1.36	-1.46	-1.06	-1.64
(R1+R2)/(R1-R2)	-1.66	-1.67	-1.66	-1.67	-1.98	-1.71	-1.96	-1.96	-1.95	-1.67	-1.67
CT1/(T12+CT2+T23)	1.48	1.58	1.52	1.52	1.44	1.37	1.36	1.35	1.35	1.47	1.44
∑CT/∑T	1.43	1.40	1.42	1.42	1.12	1.33	1.19	1.19	1.18	1.37	1.50
(T45+CT5+C56)/TTL	0.35	0.36	0.35	0.35	0.38	0.36	0.40	0.40	0.40	0.36	0.33
SAG11/CT6	-3.33	-3.25	-3.33	-3.32	-3.49	-2.40	-5.21	-4.96	-5.27	-4.83	-4.07
SD12/SD4	3.21	3.18	3.20	3.14	3.22	3.58	3.49	3.44	3.50	3.11	3.04
SD1/SAG1	2.07	2.07	2.06	2.07	2.08	2.00	2.18	2.18	2.19	2.07	2.10

Table 34

The present application also provides an imaging device whose electronic photosensitive element may be a photosensitive coupling element (CCD) or a complementary metal oxide semiconductor element (CMOS). The imaging apparatus may be an independent imaging device such as a digital camera, or an imaging module integrated on a mobile electronic device such as a mobile phone. The imaging device is equipped with the optical imaging lens described above.

The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, but should also cover the above technical features without departing from the inventive concept. Or other technical solutions formed by any combination of their equivalent features. For example, a technical solution formed by replacing the above features with technical features disclosed in this application (but not limited to) but having similar functions.

Claims (39)

1. The optical imaging lens is characterized in that it includes, in order from the object side to the image side along the optical axis:

   The first lens with positive power;

   A second lens with optical power;

   A third lens with optical power;

   A fourth lens with optical power;

   The fifth lens with positive power has a convex surface on the object side and a concave surface on the image side;

   The sixth lens with negative power;

   The distance between the object side surface of the first lens and the imaging surface of the optical imaging lens on the optical axis is TTL and the effective pixel area on the imaging surface of the optical imaging lens is half the diagonal length <1.4; and

   The total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy f/EPD<1.90.
2. The optical imaging lens according to claim 1, wherein the distance BFL on the optical axis from the image side of the sixth lens to the imaging plane of the optical imaging lens and the object side of the first lens The distance TTL on the optical axis from the imaging plane of the optical imaging lens satisfies 0.11≤BFL/TTL.
3. The optical imaging lens according to claim 1, wherein the effective focal length f1 of the first lens and the effective focal length f6 of the sixth lens satisfy 0.8≤|f6|/|f1|<1.2.
4. The optical imaging lens of claim 1, wherein the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy -2.5<f2/f≤-1.6.
5. The optical imaging lens according to claim 1, wherein the combined focal length f234 of the second lens, the third lens, and the fourth lens and the total effective focal length f of the optical imaging lens satisfy -3.5 ≤f234/f≤-1.8.
6. The optical imaging lens according to claim 1, wherein the combined focal length f56 of the fifth lens and the sixth lens and the total effective focal length f of the optical imaging lens satisfy -1.7<f56/f<- 1.
7. The optical imaging lens according to claim 1, wherein the radius of curvature R1 of the object side of the first lens and the radius of curvature R2 of the image side of the first lens satisfy -2<(R1+R2)/ (R1-R2)<-1.6.
8. The optical imaging lens according to claim 1, wherein the central thickness of the first lens on the optical axis CT1, the interval between the first lens and the second lens on the optical axis The distance T12, the center thickness CT2 of the second lens on the optical axis, and the separation distance T23 of the second lens and the third lens on the optical axis satisfy 1.35≤CT1/(T12+CT2+ T23)<1.6.
9. The optical imaging lens according to claim 1, wherein the sum of the central thicknesses of the first lens to the sixth lens on the optical axis, ∑CT, and the first lens to the first lens The total distance ΣT of any two adjacent lenses on the optical axis of the six lenses satisfies 1.1<ΣCT/ΣT≦1.5.
10. The optical imaging lens according to claim 1, wherein the separation distance of the fourth lens and the fifth lens on the optical axis is T45, and the center of the fifth lens on the optical axis Thickness CT5, the separation distance T56 of the fifth lens and the sixth lens on the optical axis, and the distance of the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis TTL satisfies 0.3<(T45+CT5+T56)/TTL≤0.4.
11. The optical imaging lens according to claim 1, wherein the on-axis distance SAG11 between the intersection of the object side of the sixth lens and the optical axis to the vertex of the effective radius of the object side of the sixth lens The center thickness CT6 of the sixth lens on the optical axis satisfies -5.3<SAG11/CT6≤-2.4.
12. The optical imaging lens according to any one of claims 1 to 11, wherein the maximum effective diameter SD12 of the image side of the sixth lens and the maximum effective diameter SD4 of the image side of the second lens satisfy 3 <SD12/SD4<3.6.
13. The optical imaging lens according to any one of claims 1 to 11, wherein the maximum effective diameter SD1 of the object side of the first lens intersects the object side of the first lens and the optical axis The on-axis distance SAG1 to the vertex of the effective radius of the object side of the first lens satisfies 2≤SD1/SAG1<2.2.
14. The optical imaging lens is characterized in that it includes, in order from the object side to the image side along the optical axis:

    The first lens with positive power;

    The second lens with optical power, the object side is concave;

    The third lens with optical power has a concave image side;

    A fourth lens with optical power;

    The fifth lens with positive power has a convex surface on the object side and a concave surface on the image side;

    A sixth lens with optical power; and

    The total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens satisfy f/EPD<1.90.
15. The optical imaging lens of claim 14, wherein the effective focal length f1 of the first lens and the effective focal length f6 of the sixth lens satisfy 0.8≦|f6|/|f1|<1.2.
16. The optical imaging lens according to claim 14, wherein the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy -2.5<f2/f≤-1.6.
17. The optical imaging lens according to claim 14, wherein the combined focal length f234 of the second lens, the third lens, and the fourth lens and the total effective focal length f of the optical imaging lens satisfy -3.5 ≤f234/f≤-1.8.
18. The optical imaging lens according to claim 14, wherein the combined focal length f56 of the fifth lens and the sixth lens and the total effective focal length f of the optical imaging lens satisfy -1.7<f56/f<- 1.
19. The optical imaging lens of claim 15, wherein the axis distance SAG11 from the intersection of the intersection of the object side of the sixth lens and the optical axis to the vertex of the effective radius of the object side of the sixth lens The center thickness CT6 of the sixth lens on the optical axis satisfies -5.3<SAG11/CT6≤-2.4.
20. The optical imaging lens according to claim 15, wherein the maximum effective diameter SD1 of the object side of the first lens intersects the object side of the first lens and the optical axis to the first lens The axial distance SAG1 of the effective radius vertex of the object side satisfies 2≤SD1/SAG1<2.2.
21. The optical imaging lens according to claim 14, wherein the maximum effective diameter SD12 of the image side of the sixth lens and the maximum effective diameter SD4 of the image side of the second lens satisfy 3<SD12/SD4<3.6 .
22. The optical imaging lens according to claim 14, wherein the curvature radius R1 of the object side surface of the first lens and the curvature radius R2 of the image side surface of the first lens satisfy -2<(R1+R2)/ (R1-R2)<-1.6.
23. The optical imaging lens according to any one of claims 14 to 22, wherein the sum of the center thicknesses of the first lens to the sixth lens on the optical axis, ΣCT, and the first The sum of the separation distance ΣT of any two adjacent lenses on the optical axis from one lens to the sixth lens satisfies 1.1<ΣCT/ΣT≦1.5.
24. The optical imaging lens according to any one of claims 14 to 22, wherein the distance BFL on the optical axis from the image side surface of the sixth lens to the imaging surface of the optical imaging lens is The distance TTL on the optical axis from the object side surface of the first lens to the imaging surface of the optical imaging lens satisfies 0.11≤BFL/TTL.
25. The optical imaging lens according to claim 23, wherein the center thickness of the first lens on the optical axis CT1, the interval between the first lens and the second lens on the optical axis The distance T12, the center thickness CT2 of the second lens on the optical axis, and the separation distance T23 of the second lens and the third lens on the optical axis satisfy 1.35≤CT1/(T12+CT2+ T23)<1.6.
26. The optical imaging lens according to claim 24, wherein the separation distance of the fourth lens and the fifth lens on the optical axis is T45, and the center of the fifth lens on the optical axis Thickness CT5, the separation distance T56 of the fifth lens and the sixth lens on the optical axis, and the distance of the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis TTL satisfies 0.3<(T45+CT5+T56)/TTL≤0.4.
27. The optical imaging lens is characterized in that it includes, in order from the object side to the image side along the optical axis:

    The first lens with optical power;

    A second lens with negative power;

    The third lens with optical power has a convex surface on the object side and a concave surface on the image side;

    A fourth lens with optical power;

    The fifth lens with positive power has a convex surface on the object side and a concave surface on the image side;

    A sixth lens with optical power, whose object side and image side are concave; and

    The distance TTL on the optical axis from the object side surface of the first lens to the imaging surface of the optical imaging lens, the aperture value Fno of the optical imaging lens and the effective pixel area on the imaging surface of the optical imaging lens Half of the corner line length ImgH satisfies TTL*Fno/ImgH<2.5.
28. The optical imaging lens according to claim 27, wherein a distance BFL on the optical axis from the image side of the sixth lens to the imaging plane of the optical imaging lens and the object side of the first lens The distance TTL on the optical axis from the imaging plane of the optical imaging lens satisfies 0.11≤BFL/TTL.
29. The optical imaging lens according to claim 27, wherein the separation distance between the fourth lens and the fifth lens on the optical axis is T45, and the center of the fifth lens on the optical axis Thickness CT5, the separation distance T56 of the fifth lens and the sixth lens on the optical axis, and the distance of the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis TTL satisfies 0.3<(T45+CT5+T56)/TTL≤0.4.
30. The optical imaging lens according to claim 28, wherein the central thickness of the first lens on the optical axis CT1, the interval between the first lens and the second lens on the optical axis The distance T12, the center thickness CT2 of the second lens on the optical axis, and the separation distance T23 of the second lens and the third lens on the optical axis satisfy 1.35≤CT1/(T12+CT2+ T23)<1.6.
31. The optical imaging lens according to claim 28, wherein the sum of the central thicknesses of the first lens to the sixth lens on the optical axis, ∑CT, and the first lens to the first lens The total distance ΣT of any two adjacent lenses on the optical axis of the six lenses satisfies 1.1<ΣCT/ΣT≦1.5.
32. The optical imaging lens of claim 27, wherein a combined focal length f234 of the second lens, the third lens, and the fourth lens and a total effective focal length f of the optical imaging lens satisfy -3.5 ≤f234/f≤-1.8.
33. The optical imaging lens of claim 32, wherein the effective focal length f2 of the second lens and the total effective focal length f of the optical imaging lens satisfy -2.5<f2/f≤-1.6.
34. The optical imaging lens according to claim 27, wherein the combined focal length f56 of the fifth lens and the sixth lens and the total effective focal length f of the optical imaging lens satisfy -1.7<f56/f<- 1.
35. The optical imaging lens of claim 34, wherein the effective focal length f1 of the first lens and the effective focal length f6 of the sixth lens satisfy 0.8≤|f6|/|f1|<1.2.
36. The optical imaging lens of claim 27, wherein the radius of curvature R1 of the object side of the first lens and the radius of curvature R2 of the image side of the first lens satisfy -2<(R1+R2)/ (R1-R2)<-1.6.
37. The optical imaging lens according to claim 36, wherein the maximum effective diameter SD1 of the object side of the first lens intersects the object side of the first lens and the optical axis to the first lens The axial distance SAG1 of the effective radius vertex of the object side satisfies 2≤SD1/SAG1<2.2.
38. The optical imaging lens according to claim 27, wherein the maximum effective diameter SD12 of the image side of the sixth lens and the maximum effective diameter SD4 of the image side of the second lens satisfy 3<SD12/SD4<3.6 .
39. The optical imaging lens according to claim 38, characterized in that the on-axis distance SAG11 between the intersection of the object side of the sixth lens and the optical axis and the vertex of the effective radius of the object side of the sixth lens The center thickness CT6 of the sixth lens on the optical axis satisfies -5.3<SAG11/CT6≤-2.4.

Images