CN209044167U - Optical imaging lens - Google Patents
Optical imaging lens Download PDFInfo
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- CN209044167U CN209044167U CN201821240783.0U CN201821240783U CN209044167U CN 209044167 U CN209044167 U CN 209044167U CN 201821240783 U CN201821240783 U CN 201821240783U CN 209044167 U CN209044167 U CN 209044167U
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Abstract
This application discloses a kind of optical imaging lens, which sequentially includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens with focal power by object side to image side along optical axis.First lens have positive light coke；The third lens have positive light coke, and object side and image side surface are convex surface；The object side of 6th lens is convex surface；8th lens have negative power, and object side is concave surface.Total effective focal length f of optical imaging lens and the Entry pupil diameters EPD of optical imaging lens meet f/EPD≤2.0.
Description
Technical field
This application involves a kind of optical imaging lens, more specifically, this application involves a kind of optics including eight lens
Imaging lens.
Background technique
In recent years, with the rapid update of smart phone, the simple mobile phone with communication function is unable to satisfy already
Consumer demand, and the shooting function for possessing high pixel and first-class image-capable are at the indispensability of smart phone
Configuration.For being applied to the camera lens of the portable electronic device such as smart phone, possess higher at image quality
Amount and smaller lens module size become development trend inevitable now.Merely technically for, eyeglass material can be passed through
Material selection, the improvement of surface coating technology, structural design optimization, optical design improve etc. etc. come promoted camera lens at image quality
Amount, and wherein increasing the lens numbers in camera lens is to promote lens imaging quality method the most direct.But how to protect
While holding camera lens ultra-slim features, the size of compression camera lens as much as possible becomes a great problem in lens design field.
Utility model content
This application provides be applicable to portable electronic product, can at least solve or part solve it is in the prior art
The optical imaging lens of at least one above-mentioned disadvantage.
On the one hand, this application provides such a optical imaging lens, the camera lens along optical axis by object side to image side according to
Sequence includes: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th with focal power
Lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side surface
It can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be concave surface.
Wherein, total effective focal length f of optical imaging lens and the Entry pupil diameters EPD of optical imaging lens can meet f/EPD≤2.0.
In one embodiment, the effective focal length f1 of the first lens and the effective focal length f3 of the third lens can meet 1.7
< f1/f3 < 3.
In one embodiment, the effective focal length f2 of the second lens and the effective focal length f8 of the 8th lens can meet 1 <
F2/f8 < 2.
In one embodiment, the effective focal length f5 and the 7th of total effective focal length f of optical imaging lens, the 5th lens
The effective focal length f7 of lens can meet | f/f5 |+| f/f7 | < 0.5.
In one embodiment, the curvature of the image side surface of the radius of curvature R 1 and the second lens of the object side of the first lens
Radius R4 can meet 0.6 < R1/R4 < 1.
In one embodiment, the curvature of the object side of the radius of curvature R 2 and the second lens of the image side surface of the first lens
Radius R3 can meet 0.5 < R2/R3 < 0.9.
In one embodiment, total effective focal length f of optical imaging lens, the object side of the third lens radius of curvature
The radius of curvature R 6 of R5 and the image side surface of the third lens can meet 0.4 < f/ (| R5 |+| R6 |) < 1.
In one embodiment, the song of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of the 6th lens
Rate radius R12 can meet 0.2 < R11/R12 < 1.2.
In one embodiment, the song of the image side surface of the radius of curvature R 15 and the 8th lens of the object side of the 8th lens
Rate radius R16 can meet -1.4 < R15/R16 < -0.2.
In one embodiment, the curvature of the object side of total effective focal length f and the 7th lens of optical imaging lens half
Diameter R13 can meet 0 < f/R13 < 0.5.
In one embodiment, the object side of center thickness CT3 and first lens of the third lens on optical axis are to light
1 < CT3/TTL*10 < 1.5 can be met by learning distance TTL of the imaging surface of imaging lens on optical axis.
In one embodiment, center thickness CT6, seventh lens center on optical axis of the 6th lens on optical axis
The center thickness CT8 of thickness CT7 and the 8th lens on optical axis can meet 0.5 < CT8/ (CT6+CT7) < 1.5.
In one embodiment, spacing distance T12, the 4th lens and of the first lens and the second lens on optical axis
Spacing distance T45 and sixth lens and seventh lens spacing distance T67 on optical axis of five lens on optical axis can meet 0.6
< T67/ (T12+T45) < 1.1.
In one embodiment, the object side of the first lens to optical imaging lens distance of the imaging surface on optical axis
The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH≤1.6 on the imaging surface of TTL and optical imaging lens.
On the other hand, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the effective focal length f1 of the first lens and effective focal length f3 of the third lens can meet 1.7 < f1/f3 < 3.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the effective focal length f2 of the second lens and the effective focal length f8 of the 8th lens can meet 1 < f2/f8 < 2.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, total effective focal length f, the effective focal length f5 of the 5th lens and the effective focal length f7 of the 7th lens of optical imaging lens
Can meet | f/f5 |+| f/f7 | < 0.5.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the radius of curvature R 4 of the image side surface of the radius of curvature R 1 and the second lens of the object side of the first lens can meet 0.6 <
R1/R4 < 1.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the radius of curvature R 3 of the object side of the radius of curvature R 2 and the second lens of the image side surface of the first lens can meet 0.5 <
R2/R3 < 0.9.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, total effective focal length f of optical imaging lens, the object side of the third lens radius of curvature R 5 and the third lens picture
The radius of curvature R 6 of side can meet 0.4 < f/ (| R5 |+| R6 |) < 1.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the radius of curvature R 12 of the image side surface of the radius of curvature R 11 and the 6th lens of the object side of the 6th lens can meet 0.2
< R11/R12 < 1.2.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the radius of curvature R 16 of the image side surface of the radius of curvature R 15 and the 8th lens of the object side of the 8th lens can meet-
1.4 < R15/R16 < -0.2.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the radius of curvature R 13 of the object side of total effective focal length f and the 7th lens of optical imaging lens can meet 0 < f/
R13 < 0.5.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the object side of center thickness CT3 and first lens of the third lens on optical axis to optical imaging lens imaging surface
Distance TTL on optical axis can meet 1 < CT3/TTL*10 < 1.5.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, center thickness CT6, seventh lens center thickness CT7 and eightth lens on optical axis of the 6th lens on optical axis
Center thickness CT8 on optical axis can meet 0.5 < CT8/ (CT6+CT7) < 1.5.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, spacing distance T12, the 4th lens and the 5th lens of the first lens and the second lens on optical axis are on optical axis
The spacing distance T67 of spacing distance T45 and the 6th lens and the 7th lens on optical axis can meet 0.6 < T67/ (T12+T45)
< 1.1.
Another aspect, this application provides such a optical imaging lens, and the camera lens is along optical axis by object side to image side
It sequentially include: the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, with focal power
Seven lens and the 8th lens.First lens can have positive light coke；The third lens can have positive light coke, object side and image side
Face can be convex surface；The object side of 6th lens can be convex surface；8th lens can have negative power, and object side can be recessed
Face.Wherein, the object side of the first lens to optical imaging lens distance TTL and optical imaging lens of the imaging surface on optical axis
Imaging surface on the half ImgH of effective pixel area diagonal line length can meet TTL/ImgH≤1.6.
The application use eight lens, by each power of lens of reasonable distribution, face type, each lens center thickness
And spacing etc. on the axis between each lens, so that above-mentioned optical imaging lens have miniaturization, large aperture, high image quality etc.
At least one beneficial effect.
Detailed description of the invention
In conjunction with attached drawing, by the detailed description of following non-limiting embodiment, other features of the application, purpose and excellent
Point will be apparent.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 1；
Fig. 2A to Fig. 2 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 1, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 3 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 2；
Fig. 4 A to Fig. 4 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 2, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 5 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 3；
Fig. 6 A to Fig. 6 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 3, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 7 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 4；
Fig. 8 A to Fig. 8 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 4, astigmatism curve, distortion
Curve and ratio chromatism, curve；
Fig. 9 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 5；
Figure 10 A to Figure 10 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 5, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 11 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 6；
Figure 12 A to Figure 12 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 6, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 13 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 7；
Figure 14 A to Figure 14 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 7, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 15 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 8；
Figure 16 A to Figure 16 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 8, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 17 shows the structural schematic diagrams according to the optical imaging lens of the embodiment of the present application 9；
Figure 18 A to Figure 18 D respectively illustrates chromatic curve on the axis of the optical imaging lens of embodiment 9, astigmatism curve, abnormal
Varied curve and ratio chromatism, curve；
Figure 19 shows the structural schematic diagram of the optical imaging lens according to the embodiment of the present application 10；
Figure 20 A to Figure 20 D respectively illustrate chromatic curve on the axis of the optical imaging lens of embodiment 10, astigmatism curve,
Distortion curve and ratio chromatism, curve.
Specific embodiment
Various aspects of the reference attached drawing to the application are made more detailed description by the application in order to better understand.It answers
Understand, the only description to the illustrative embodiments of the application is described in detail in these, rather than limits the application in any way
Range.In the specification, the identical element of identical reference numbers.Stating "and/or" includes associated institute
Any and all combinations of one or more of list of items.
It should be noted that in the present specification, first, second, third, etc. statement is only used for a feature and another spy
Sign distinguishes, without indicating any restrictions to feature.Therefore, without departing substantially from teachings of the present application, hereinafter
The first lens discussed are also known as the second lens or the third lens.
In the accompanying drawings, for ease of description, thickness, the size and shape of lens are slightly exaggerated.Specifically, attached drawing
Shown in spherical surface or aspherical shape be illustrated by way of example.That is, spherical surface or aspherical shape are not limited to attached drawing
Shown in spherical surface or aspherical shape.Attached drawing is merely illustrative and and non-critical drawn to scale.
Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define convex surface position
When setting, then it represents that the lens surface is convex surface near axis area is less than；If lens surface is concave surface and does not define the concave surface position
When, then it represents that the lens surface is concave surface near axis area is less than.Each lens are known as the lens near the surface of object
Object side, each lens are known as the image side surface of the lens near the surface of imaging surface.
It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory
It indicates there is stated feature, element and/or component when using in bright book, but does not preclude the presence or addition of one or more
Other feature, component, assembly unit and/or their combination.In addition, ought the statement of such as at least one of " ... " appear in institute
When after the list of column feature, entire listed feature is modified, rather than modifies the individual component in list.In addition, when describing this
When the embodiment of application, " one or more embodiments of the application " are indicated using "available".Also, term " illustrative "
It is intended to refer to example or illustration.
Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein all have with
The application one skilled in the art's is generally understood identical meaning.It will also be appreciated that term (such as in everyday words
Term defined in allusion quotation) it should be interpreted as having and their consistent meanings of meaning in the context of the relevant technologies, and
It will not be explained with idealization or excessively formal sense, unless clear herein so limit.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
The feature of the application, principle and other aspects are described in detail below.
Optical imaging lens according to the application illustrative embodiments may include such as eight lens with focal power,
That is, the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens.
This eight lens, by object side to image side sequential, and can have airspace along optical axis between each adjacent lens.
In the exemplary embodiment, the first lens can have positive light coke；Second lens have positive light coke or negative light
Focal power；The third lens can have positive light coke, and object side can be convex surface, and image side surface can be convex surface；4th lens have positive light
Focal power or negative power；5th lens have positive light coke or negative power；6th lens have positive light coke or negative power,
Its object side can be convex surface；7th lens have positive light coke or negative power；8th lens can have negative power, object side
Face can be concave surface.Controlling the first lens and the third lens has positive focal power, not only can effectively reduction system size,
The distribution of system focal power can also be made more reasonable, the correction ability and reduction system sensitivity to lifting system aberration to pass
It is important.And the 8th lens with negative power are then to promote imaging lens in the key point of imaging surface image height.
In the exemplary embodiment, the object side of the first lens can be convex surface, and image side surface can be concave surface.
In the exemplary embodiment, the second lens can have negative power, and object side can be convex surface, and image side surface can be
Concave surface.
In the exemplary embodiment, the image side surface of the 6th lens can be concave surface.
In the exemplary embodiment, the object side of the 7th lens can be convex surface.
In the exemplary embodiment, the image side surface of the 8th lens can be concave surface.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional f/EPD≤2.0, wherein f
For total effective focal length of optical imaging lens, EPD is the Entry pupil diameters of optical imaging lens.More specifically, f and EPD are further
1.70≤f/EPD≤1.98 can be met.Meet conditional f/EPD≤2.0, can effectively increase logical in the camera lens unit time
Light quantity makes camera lens possess high relative illumination, compared with the image quality under dark situation, is allowing mirror so as to promote camera lens well
Head has more practicability.
In the exemplary embodiment, the optical imaging lens of the application can meet 1.7 < f1/f3 < 3 of conditional,
In, f1 is the effective focal length of the first lens, and f3 is the effective focal length of the third lens.More specifically, f1 and f3 can further meet
1.79≤f1/f3≤2.94.The focal power of reasonable distribution the first lens and the third lens, can effectively reduce whole system
Aberration reduces the sensibility of system.The rationally size of control f1, is conducive to avoid the face inclination angle of the first lens object side excessive,
The first lens can be made to possess better processing technology.Meanwhile meeting 1.7 < f1/f3 < 3 of conditional and being also beneficial to avoid
The aperture of three lens it is excessive and caused by the problems such as system imaging is of poor quality and sensibility is higher.
In the exemplary embodiment, the optical imaging lens of the application can meet 1 < f2/f8 < 2 of conditional, wherein
F2 is the effective focal length of the second lens, and f8 is the effective focal length of the 8th lens.More specifically, f2 and f8 can further meet 1.26
≤f2/f8≤1.74.The effective focal length for rationally adjusting the second lens and the 8th lens, can make the focal power of imaging lens obtain
To more reasonable distribution, and it is unlikely to the concentrations on the 8th lens, is conducive to the image quality of lifting system and reduction
The susceptibility of system；Meanwhile meeting 1 < f2/f8 < 2 of conditional and also helping the ultra-slim features for keeping imaging lens.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.4 < f/ of conditional (| R5 |+| R6 |)
< 1, wherein f is total effective focal length of optical imaging lens, and R5 is the radius of curvature of the object side of the third lens, and R6 is third
The radius of curvature of the image side surface of lens.More specifically, f, R5 and R6 can further meet 0.47≤f/ (| R5 |+| R6 |)≤
0.82.Total effective focal length of reasonable distribution camera lens and the radius of curvature of the object side of the third lens and image side surface, are conducive to: 1,
System is set to possess preferable chromatic aberration correction ability；2, it reduces system sensitivity and can be effectively avoided due to the third lens technique
Property is too poor and a series of processing problems of bring；3, the ultra-slim features of imaging lens are kept.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.2 < R11/R12 < 1.2 of conditional,
Wherein, R11 is the radius of curvature of the object side of the 6th lens, and R12 is the radius of curvature of the image side surface of the 6th lens.More specifically
Ground, R11 and R12 can further meet 0.26≤R11/R12≤1.17.The song of reasonable distribution the 6th lens object side and image side surface
Rate radius can effectively balance astigmatism and coma between the 6th lens and its former lens, and camera lens is allowed to keep better
Image quality.
In the exemplary embodiment, the optical imaging lens of the application can meet -1.4 < R15/R16 < of conditional -
0.2, wherein R15 is the radius of curvature of the object side of the 8th lens, and R16 is the radius of curvature of the image side surface of the 8th lens.More
Body, R15 and R16 can further meet -1.26≤R15/R16≤- 0.26.The 8th lens object side of reasonable distribution and image side surface
Radius of curvature, can effectively balance the astigmatism and coma between the 8th lens and its former lens.Matching requirements formula 0.2
< R11/R12 < 1.2 can make camera lens keep better image quality, and be conducive to be promoted imaging lens in the picture of imaging surface
It is high.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional | f/f5 |+| f/f7 | <
0.5, wherein f is total effective focal length of optical imaging lens, and f5 is the effective focal length of the 5th lens, and f7 is having for the 7th lens
Imitate focal length.More specifically, f, f5 and f7 can further meet 0 < | f/f5 |+| f/f7 | < 0.5, for example, 0.09≤| f/f5 |+|
f/f7|≤0.46.Total effective focal length of reasonable distribution imaging lens and the effective focal length of the 5th lens and the 7th lens, can be with
Effectively shorten the size of imaging lens, and the mistake of system focal power can be avoided while keeping imaging lens ultra-slim features
Degree is concentrated.Meanwhile being matched with preceding four lens, can system aberration preferably be corrected.
In the exemplary embodiment, the optical imaging lens of the application can meet 1 < CT3/TTL*10 < of conditional
1.5, wherein CT3 is center thickness of the third lens on optical axis, and TTL is the object side of the first lens to optical imaging lens
Distance of the imaging surface on optical axis.More specifically, CT3 and TTL can further meet 1.05≤CT3/TTL*10≤1.37.It closes
The center thickness of reason control the third lens, is conducive to the miniaturization of holding system, reduces the third lens bring ghost image risk.It is full
The third lens of sufficient 1 < CT3/TTL*10 < 1.5 of conditional are matched with preceding two panels, can be effectively reduced the color difference of system,
It simultaneously can difficulty to avoid excessively thin due to the third lens and in terms of bring processing technology.
In the exemplary embodiment, the optical imaging lens of the application can meet 0 < f/R13 < 0.5 of conditional,
In, f is total effective focal length of optical imaging lens, and R13 is the radius of curvature of the object side of the 7th lens.More specifically, f and
R13 can further meet 0.20≤f/R13≤0.43.The curvature of reasonable control system total effective focal length and the 7th lens image side surface
Ratio between radius can make system while keeping miniaturization, possess higher aberration correction ability, and can
So that camera lens obtains better processing technology.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 < CT8/ (CT6+CT7) of conditional
< 1.5, wherein CT6 is center thickness of the 6th lens on optical axis, and CT7 is center thickness of the 7th lens on optical axis,
CT8 is center thickness of the 8th lens on optical axis.More specifically, CT6, CT7 and CT8 can further meet 0.51≤CT8/
(CT6+CT7)≤1.38.The rationally center thickness of the 6th lens of control, the 7th lens and the 8th lens, is conducive to: 1, making into
As system color difference can be better balanced in camera lens, the amount of distortion of camera lens is efficiently controlled；2, avoid since the 8th lens are excessively thin and
The problems such as caused processing technology is difficult；3, the size of reduction system keeps the ultra-slim features of imaging lens.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.6 < T67/ (T12+T45) of conditional
< 1.1, wherein T12 is the spacing distance of the first lens and the second lens on optical axis, and T45 is the 4th lens and the 5th lens
Spacing distance on optical axis, T67 are the spacing distance of the 6th lens and the 7th lens on optical axis.More specifically, T12, T45
Can further it meet with T67 0.72≤T67/ (T12+T45)≤1.04.Rationally control T12, T45 and T67 is conducive to decrease the
Six lens and the 7th lens straps carry out the risk of ghost image；Meanwhile being conducive to the size of reduction system, keep the ultrathin special of imaging lens
Property.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.6 < R1/R4 < 1 of conditional,
In, R1 is the radius of curvature of the object side of the first lens, and R4 is the radius of curvature of the image side surface of the second lens.More specifically, R1
0.85≤R1/R4≤0.96 can further be met with R4.The rationally song of control the first lens object side and the second lens image side surface
Rate radius can effectively control the spherical aberration contribution amount of the first lens object side and the second lens image side surface in reasonable level,
It is also beneficial to make the first lens and the second lens that there is better processing technology simultaneously.
In the exemplary embodiment, the optical imaging lens of the application can meet 0.5 < R2/R3 < 0.9 of conditional,
In, R2 is the radius of curvature of the image side surface of the first lens, and R3 is the radius of curvature of the object side of the second lens.More specifically, R2
0.55≤R2/R3≤0.75 can further be met with R3.The rationally song of control the first lens image side surface and the second lens object side
Rate radius, can effectively reduction system size, distribute the focal power of system reasonably, and be unlikely to excessive collection
In on the first lens；Meanwhile being conducive to the aberration correction of subsequent several lens.
In the exemplary embodiment, the optical imaging lens of the application can meet conditional TTL/ImgH≤1.6,
In, TTL is the object side of the first lens to distance of the imaging surface on optical axis of optical imaging lens, and ImgH is optical imaging lens
The half of effective pixel area diagonal line length on the imaging surface of head.More specifically, TTL and ImgH can further meet 1.54≤
TTL/ImgH≤1.60.Meet conditional TTL/ImgH≤1.6, can effectively shorten the overall size of camera lens, realize camera lens
Ultra-slim features and miniaturization produce so that the imaging lens can preferably be suitable for more and more super-thin electronics in the market
Product.
In illustrative embodiments, above-mentioned optical imaging lens may also include diaphragm, to promote the image quality of camera lens.Light
Door screen can be set as needed to be located at an arbitrary position, for example, diaphragm may be provided between object side and the first lens.
Optionally, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting
The protection glass of photosensitive element on imaging surface.
Multi-disc eyeglass, such as described above eight can be used according to the optical imaging lens of the above embodiment of the application
Piece.By each power of lens of reasonable distribution, face type, each lens center thickness and each lens between axis on spacing
Deng can effectively reduce the volume of imaging lens, reduce the susceptibility of imaging lens and improve the machinabilitys of imaging lens, make
Optical imaging lens are obtained to be more advantageous to production and processing and be applicable to portable electronic product.Meanwhile through the above configuration
Optical imaging lens also have the beneficial effect such as large aperture, hyposensitivity, high image quality.The eight chips optical imaging lens
Head has preferable performance indexes, and for seven chips of same type or six chip camera lenses, has smaller
Size.
In presently filed embodiment, at least one of mirror surface of each lens is aspherical mirror.Non-spherical lens
The characteristics of be: from lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter
The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture
The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve
Image quality.
However, it will be understood by those of skill in the art that without departing from this application claims technical solution the case where
Under, the lens numbers for constituting optical imaging lens can be changed, to obtain each result and advantage described in this specification.Example
Such as, although being described by taking eight lens as an example in embodiments, which is not limited to include eight
Lens.If desired, the optical imaging lens may also include the lens of other quantity.
The specific embodiment for being applicable to the optical imaging lens of above embodiment is further described with reference to the accompanying drawings.
Embodiment 1
Referring to Fig. 1 to Fig. 2 D description according to the optical imaging lens of the embodiment of the present application 1.Fig. 1 is shown according to this
Apply for the structural schematic diagram of the optical imaging lens of embodiment 1.
As shown in Figure 1, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is convex surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 1 show the surface types of each lens of the optical imaging lens of embodiment 1, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 1
As shown in Table 1, the object side of any one lens of the first lens E1 into the 8th lens E8 and image side surface are
It is aspherical.In the present embodiment, the face type x of each non-spherical lens is available but is not limited to following aspherical formula and is defined:
Wherein, x be it is aspherical along optical axis direction when being highly the position of h, away from aspheric vertex of surface apart from rise；C is
Aspherical paraxial curvature, c=1/R (that is, inverse that paraxial curvature c is upper 1 mean curvature radius R of table)；K be circular cone coefficient (
It has been provided in table 1)；Ai is the correction factor of aspherical i-th-th rank.The following table 2 give can be used for it is each aspherical in embodiment 1
The high-order coefficient A of mirror surface S1-S164、A6、A8、A10、A12、A14、A16、A18And A20。
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.9600E-03 | 2.1437E-02 | -9.1170E-02 | 2.0832E-01 | -2.6042E-01 | 1.5664E-01 | -1.1700E-02 | -3.1900E-02 | 1.0755E-02 |
| S2 | -4.8600E-03 | -6.3840E-02 | 3.3362E-01 | -1.0365E+00 | 1.9685E+00 | -2.3306E+00 | 1.6749E+00 | -6.6924E-01 | 1.1372E-01 |
| S3 | -1.5760E-01 | 9.2780E-02 | -3.0708E-01 | 9.0286E-01 | -1.7928E+00 | 2.2317E+00 | -1.6795E+00 | 6.9622E-01 | -1.2183E-01 |
| S4 | -1.3614E-01 | 1.0662E-01 | -2.5104E-01 | 6.1429E-01 | -1.0660E+00 | 1.1772E+00 | -7.8097E-01 | 2.8304E-01 | -4.3040E-02 |
| S5 | -3.0620E-02 | 3.6846E-02 | -1.8099E-01 | 4.7987E-01 | -8.0074E-01 | 8.3480E-01 | -5.1878E-01 | 1.7537E-01 | -2.4860E-02 |
| S6 | -4.1600E-03 | 6.0993E-02 | -1.6577E-01 | 2.5584E-01 | -2.4279E-01 | 1.3968E-01 | -4.4320E-02 | 6.2180E-03 | -1.6000E-04 |
| S7 | 2.0573E-02 | 2.2371E-01 | -6.6965E-01 | 1.1560E+00 | -1.2740E+00 | 9.1174E-01 | -4.1029E-01 | 1.0515E-01 | -1.1660E-02 |
| S8 | -2.5540E-02 | 1.9270E-01 | -5.2534E-01 | 8.0554E-01 | -7.8562E-01 | 4.9656E-01 | -1.9585E-01 | 4.3469E-02 | -4.1100E-03 |
| S9 | -4.4770E-02 | 7.5220E-03 | 8.7639E-02 | -3.1189E-01 | 4.8735E-01 | -4.2490E-01 | 2.1557E-01 | -5.9600E-02 | 6.9340E-03 |
| S10 | -7.2010E-02 | -4.0690E-02 | 2.0693E-01 | -3.9287E-01 | 4.5110E-01 | -3.1758E-01 | 1.3424E-01 | -3.1390E-02 | 3.1300E-03 |
| S11 | -7.9660E-02 | -1.5410E-02 | 6.1146E-02 | -8.7370E-02 | 7.7896E-02 | -4.2470E-02 | 1.3423E-02 | -2.2300E-03 | 1.5200E-04 |
| S12 | -6.5590E-02 | 1.3905E-02 | -2.4320E-02 | 3.0914E-02 | -2.6010E-02 | 1.4738E-02 | -5.3500E-03 | 1.1060E-03 | -9.7000E-05 |
| S13 | -1.1504E-01 | -2.0610E-02 | 5.9150E-03 | 2.1906E-02 | -3.1790E-02 | 2.2050E-02 | -8.4000E-03 | 1.6370E-03 | -1.2000E-04 |
| S14 | -2.0690E-02 | -4.9950E-02 | 5.3802E-02 | -2.4470E-02 | -9.6000E-04 | 5.9270E-03 | -2.6100E-03 | 4.9400E-04 | -3.6000E-05 |
| S15 | 3.1357E-02 | -2.5610E-02 | 1.8198E-02 | 5.3400E-04 | -1.1460E-02 | 7.9090E-03 | -2.4800E-03 | 3.8400E-04 | -2.3000E-05 |
| S16 | 8.3400E-04 | -1.6800E-02 | 1.0575E-02 | -3.8000E-03 | 8.4900E-04 | -1.2000E-04 | 1.1000E-05 | -5.8000E-07 | 1.3100E-08 |
Table 2
Table 3 gives the effective focal length f1 to f8 of each lens in embodiment 1, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S19 of one lens E1 on the distance TTL and imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 6.12 | f7(mm) | 31.76 |
| f2(mm) | -5.06 | f8(mm) | -2.90 |
| f3(mm) | 2.19 | f(mm) | 4.33 |
| f4(mm) | -5.15 | TTL(mm) | 5.65 |
| f5(mm) | -13.55 | ImgH(mm) | 3.54 |
| f6(mm) | 7.45 |
Table 3
Optical imaging lens in embodiment 1 meet:
F/EPD=1.98, wherein f is total effective focal length of optical imaging lens, and EPD is the entrance pupil of optical imaging lens
Diameter；
F1/f3=2.79, wherein f1 is the effective focal length of the first lens E1, and f3 is the effective focal length of the third lens E3；
F2/f8=1.74, wherein f2 is the effective focal length of the second lens E2, and f8 is the effective focal length of the 8th lens E8；
F/ (| R5 |+| R6 |)=0.71, wherein f is total effective focal length of optical imaging lens, and R5 is the third lens E3's
The radius of curvature of object side S5, R6 are the radius of curvature of the image side surface S6 of the third lens E3；
R11/R12=0.36, wherein R11 is the radius of curvature of the object side S11 of the 6th lens E6, and R12 is the 6th lens
The radius of curvature of the image side surface S12 of E6；
R15/R16=-0.26, wherein R15 is the radius of curvature of the object side S15 of the 8th lens E8, and R16 is the 8th saturating
The radius of curvature of the image side surface S16 of mirror E8；
| f/f5 |+| f/f7 |=0.46, wherein f is total effective focal length of optical imaging lens, and f5 is the 5th lens E5's
Effective focal length, f7 are the effective focal length of the 7th lens E7；
CT3/TTL*10=1.29, wherein CT3 is center thickness of the third lens E3 on optical axis, and TTL is the first lens
Distance of the object side S1 of E1 to imaging surface S19 on optical axis；
F/R13=0.23, wherein f is total effective focal length of optical imaging lens, and R13 is the object side of the 7th lens E7
The radius of curvature of S13；
CT8/ (CT6+CT7)=1.38, wherein CT6 is center thickness of the 6th lens E6 on optical axis, and CT7 is the 7th
Center thickness of the lens E7 on optical axis, CT8 are center thickness of the 8th lens E8 on optical axis；
T67/ (T12+T45)=0.72, wherein T12 is the interval distance of the first lens E1 and the second lens E2 on optical axis
From T45 is spacing distance of the 4th lens E4 and the 5th lens E5 on optical axis, and T67 is the 6th lens E6 and the 7th lens E7
Spacing distance on optical axis；
R1/R4=0.89, wherein R1 is the radius of curvature of the object side S1 of the first lens E1, and R4 is the second lens E2's
The radius of curvature of image side surface S4；
R2/R3=0.75, wherein R2 is the radius of curvature of the image side surface S2 of the first lens E1, and R3 is the second lens E2's
The radius of curvature of object side S3；
TTL/ImgH=1.60, wherein TTL be the first lens E1 object side S1 to imaging surface S19 on optical axis away from
From ImgH is the half of effective pixel area diagonal line length on imaging surface S19.
Fig. 2A shows chromatic curve on the axis of the optical imaging lens of embodiment 1, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 2 B shows the astigmatism curve of the optical imaging lens of embodiment 1, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 2 C shows the distortion curve of the optical imaging lens of embodiment 1, indicates different image heights
Locate corresponding distortion sizes values.Fig. 2 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 1, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to fig. 2 A to Fig. 2 D it is found that optics given by embodiment 1 at
As camera lens can be realized good image quality.
Embodiment 2
Referring to Fig. 3 to Fig. 4 D description according to the optical imaging lens of the embodiment of the present application 2.In the present embodiment and following
In embodiment, for brevity, by clipped description similar to Example 1.Fig. 3 is shown according to the embodiment of the present application 2
Optical imaging lens structural schematic diagram.
As shown in figure 3, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 4 show the surface types of each lens of the optical imaging lens of embodiment 2, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 4
As shown in Table 4, in example 2, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 5 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 2, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
Table 5
Table 6 gives the effective focal length f1 to f8 of each lens in embodiment 2, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S19 of one lens E1 on the distance TTL and imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 6.27 | f7(mm) | -100.00 |
| f2(mm) | -4.67 | f8(mm) | -3.13 |
| f3(mm) | 2.13 | f(mm) | 4.32 |
| f4(mm) | -5.69 | TTL(mm) | 5.62 |
| f5(mm) | -11.09 | ImgH(mm) | 3.54 |
| f6(mm) | 6.74 |
Table 6
Fig. 4 A shows chromatic curve on the axis of the optical imaging lens of embodiment 2, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 4 B shows the astigmatism curve of the optical imaging lens of embodiment 2, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 4 C shows the distortion curve of the optical imaging lens of embodiment 2, indicates different image heights
Locate corresponding distortion sizes values.Fig. 4 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 2, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 4 A to Fig. 4 D it is found that optics given by embodiment 2 at
As camera lens can be realized good image quality.
Embodiment 3
The optical imaging lens according to the embodiment of the present application 3 are described referring to Fig. 5 to Fig. 6 D.Fig. 5 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 3.
As shown in figure 5, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 7 show the surface types of each lens of the optical imaging lens of embodiment 3, radius of curvature, thickness, material and
Circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 7
As shown in Table 7, in embodiment 3, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 8 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 3, wherein each non-
Spherical surface type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -6.6300E-03 | 3.7376E-02 | -1.6625E-01 | 4.2843E-01 | -6.8005E-01 | 6.7893E-01 | -4.1545E-01 | 1.4333E-01 | -2.1560E-02 |
| S2 | -2.2400E-03 | -5.7370E-02 | 2.5158E-01 | -7.0279E-01 | 1.1945E+00 | -1.2427E+00 | 7.6899E-01 | -2.5733E-01 | 3.4890E-02 |
| S3 | -1.5975E-01 | 1.4355E-01 | -4.8251E-01 | 1.1354E+00 | -1.7293E+00 | 1.7014E+00 | -1.0488E+00 | 3.6901E-01 | -5.6930E-02 |
| S4 | -1.4867E-01 | 2.0288E-01 | -5.0498E-01 | 8.5866E-01 | -9.7483E-01 | 7.2540E-01 | -3.3539E-01 | 8.6315E-02 | -9.3400E-03 |
| S5 | -3.7400E-02 | 1.0868E-01 | -2.8366E-01 | 4.3967E-01 | -4.8149E-01 | 3.6972E-01 | -1.8533E-01 | 5.4625E-02 | -7.3000E-03 |
| S6 | -2.3700E-03 | 6.8840E-02 | -1.5371E-01 | 2.1006E-01 | -1.9621E-01 | 1.3274E-01 | -6.4080E-02 | 2.0559E-02 | -3.2800E-03 |
| S7 | 6.8360E-03 | 2.5158E-01 | -6.7387E-01 | 1.0620E+00 | -1.1319E+00 | 8.2160E-01 | -3.8128E-01 | 1.0072E-01 | -1.1500E-02 |
| S8 | -5.7920E-02 | 2.5121E-01 | -6.0201E-01 | 9.1628E-01 | -9.4198E-01 | 6.4539E-01 | -2.7973E-01 | 6.9738E-02 | -7.7600E-03 |
| S9 | -8.2060E-02 | 1.4499E-01 | -2.9749E-01 | 3.1735E-01 | -9.2420E-02 | -1.2949E-01 | 1.3866E-01 | -5.2230E-02 | 7.1490E-03 |
| S10 | -9.9170E-02 | 2.0025E-01 | -4.0021E-01 | 4.2298E-01 | -1.6397E-01 | -7.5870E-02 | 1.0348E-01 | -3.9720E-02 | 5.4730E-03 |
| S11 | -8.7220E-02 | 1.3322E-01 | -1.9976E-01 | 1.6307E-01 | -6.4960E-02 | 2.9490E-03 | 7.5830E-03 | -2.6700E-03 | 2.8700E-04 |
| S12 | -7.2210E-02 | 4.6012E-02 | -2.0940E-02 | -3.2830E-02 | 5.3785E-02 | -3.4990E-02 | 1.1883E-02 | -2.0200E-03 | 1.2800E-04 |
| S13 | -1.0733E-01 | -5.3790E-02 | 2.7506E-02 | 3.8067E-02 | -7.7810E-02 | 6.2780E-02 | -2.6970E-02 | 5.9900E-03 | -5.3000E-04 |
| S14 | -7.2100E-03 | -8.8470E-02 | 8.4931E-02 | -4.3790E-02 | 1.0862E-02 | -1.5000E-04 | -5.8000E-04 | 1.2100E-04 | -7.4000E-06 |
| S15 | 1.7401E-02 | -4.3600E-03 | -6.7500E-03 | 1.5568E-02 | -1.4860E-02 | 7.0850E-03 | -1.8100E-03 | 2.3700E-04 | -1.2000E-05 |
| S16 | -2.8170E-02 | 7.3610E-03 | 2.1400E-04 | -1.0500E-03 | 3.8100E-04 | -7.1000E-05 | 7.5000E-06 | -4.3000E-07 | 1.0400E-08 |
Table 8
Table 9 gives the effective focal length f1 to f8 of each lens in embodiment 3, total effective focal length f of optical imaging lens,
The object side S1 to imaging surface S19 of one lens E1 on the distance TTL and imaging surface S19 on optical axis effective pixel area it is diagonal
The half ImgH of wire length.
| f1(mm) | 6.24 | f7(mm) | -99.99 |
| f2(mm) | -4.41 | f8(mm) | -3.21 |
| f3(mm) | 2.17 | f(mm) | 4.33 |
| f4(mm) | -4.81 | TTL(mm) | 5.60 |
| f5(mm) | 100.00 | ImgH(mm) | 3.54 |
| f6(mm) | 11.79 |
Table 9
Fig. 6 A shows chromatic curve on the axis of the optical imaging lens of embodiment 3, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 6 B shows the astigmatism curve of the optical imaging lens of embodiment 3, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 6 C shows the distortion curve of the optical imaging lens of embodiment 3, indicates different image heights
Locate corresponding distortion sizes values.Fig. 6 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 3, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 6 A to Fig. 6 D it is found that optics given by embodiment 3 at
As camera lens can be realized good image quality.
Embodiment 4
The optical imaging lens according to the embodiment of the present application 4 are described referring to Fig. 7 to Fig. 8 D.Fig. 7 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 4.
As shown in fig. 7, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is concave surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 10 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 4
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 10
As shown in Table 10, in example 4, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 11 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 4, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -4.7300E-03 | 2.2361E-02 | -9.5210E-02 | 2.2249E-01 | -3.1815E-01 | 2.8612E-01 | -1.5793E-01 | 4.9550E-02 | -6.9000E-03 |
| S2 | 1.5970E-03 | -5.0480E-02 | 1.9385E-01 | -5.1966E-01 | 8.6051E-01 | -8.7880E-01 | 5.3768E-01 | -1.7941E-01 | 2.4536E-02 |
| S3 | -1.3740E-01 | 8.1845E-02 | -2.4888E-01 | 5.5580E-01 | -8.1434E-01 | 7.8067E-01 | -4.7410E-01 | 1.6521E-01 | -2.5310E-02 |
| S4 | -1.2689E-01 | 1.1208E-01 | -2.2081E-01 | 2.9061E-01 | -2.7099E-01 | 1.8195E-01 | -8.1170E-02 | 2.0562E-02 | -2.1400E-03 |
| S5 | -2.7240E-02 | 5.8265E-02 | -1.3044E-01 | 1.6794E-01 | -1.8659E-01 | 1.6703E-01 | -9.6910E-02 | 3.1562E-02 | -4.4800E-03 |
| S6 | 1.0964E-02 | 2.4920E-02 | -8.4220E-02 | 1.3750E-01 | -1.4049E-01 | 9.4219E-02 | -3.9060E-02 | 9.7500E-03 | -1.3000E-03 |
| S7 | 2.7435E-02 | 1.2590E-01 | -3.7040E-01 | 6.2299E-01 | -7.4198E-01 | 6.1054E-01 | -3.1446E-01 | 8.9934E-02 | -1.0920E-02 |
| S8 | -3.8180E-02 | 1.3967E-01 | -3.0864E-01 | 4.9374E-01 | -5.9894E-01 | 4.9874E-01 | -2.6046E-01 | 7.7673E-02 | -1.0330E-02 |
| S9 | -7.9930E-02 | 1.7226E-02 | -5.8300E-03 | -3.8830E-02 | 1.8888E-01 | -3.1311E-01 | 2.3983E-01 | -8.6990E-02 | 1.2039E-02 |
| S10 | -6.5100E-03 | -7.7920E-02 | 7.7234E-02 | -8.4050E-02 | 1.9590E-01 | -2.7706E-01 | 1.9821E-01 | -6.9650E-02 | 9.6650E-03 |
| S11 | 2.2701E-02 | -7.6050E-02 | 1.6134E-02 | 4.3773E-02 | -6.2670E-02 | 4.5418E-02 | -2.1610E-02 | 6.4490E-03 | -8.8000E-04 |
| S12 | -3.0920E-02 | -1.4540E-02 | -2.5900E-03 | 3.7470E-03 | -2.5500E-03 | 2.3100E-03 | -1.7500E-03 | 6.4900E-04 | -8.9000E-05 |
| S13 | -1.1346E-01 | -4.7770E-02 | 1.3424E-02 | 4.0264E-02 | -6.7070E-02 | 5.0497E-02 | -2.0570E-02 | 4.2950E-03 | -3.5000E-04 |
| S14 | -1.5070E-02 | -7.7310E-02 | 7.0605E-02 | -2.9090E-02 | 2.3400E-03 | 2.7500E-03 | -1.1600E-03 | 1.8700E-04 | -1.1000E-05 |
| S15 | 1.4190E-02 | -3.8000E-04 | -3.9000E-04 | 3.5870E-03 | -5.3300E-03 | 2.8720E-03 | -7.5000E-04 | 9.4400E-05 | -4.4000E-06 |
| S16 | -3.5100E-02 | 1.8336E-02 | -7.0800E-03 | 1.6600E-03 | -2.3000E-04 | 1.5100E-05 | 3.2900E-09 | -5.7000E-08 | 2.3400E-09 |
Table 11
Table 12 give the effective focal length f1 to f8 of each lens in embodiment 4, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.93 | f7(mm) | -96.10 |
| f2(mm) | -4.31 | f8(mm) | -3.41 |
| f3(mm) | 2.33 | f(mm) | 4.36 |
| f4(mm) | -8.08 | TTL(mm) | 5.58 |
| f5(mm) | 29.56 | ImgH(mm) | 3.54 |
| f6(mm) | -100.00 |
Table 12
Fig. 8 A shows chromatic curve on the axis of the optical imaging lens of embodiment 4, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Fig. 8 B shows the astigmatism curve of the optical imaging lens of embodiment 4, indicates meridian picture
Face bending and sagittal image surface bending.Fig. 8 C shows the distortion curve of the optical imaging lens of embodiment 4, indicates different image heights
Locate corresponding distortion sizes values.Fig. 8 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 4, indicates light warp
By the deviation of the different image heights after camera lens on imaging surface.According to Fig. 8 A to Fig. 8 D it is found that optics given by embodiment 4 at
As camera lens can be realized good image quality.
Embodiment 5
The optical imaging lens according to the embodiment of the present application 5 are described referring to Fig. 9 to Figure 10 D.Fig. 9 shows basis
The structural schematic diagram of the optical imaging lens of the embodiment of the present application 5.
As shown in figure 9, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is convex surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 13 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 5
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 13
As shown in Table 13, in embodiment 5, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 14 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 5, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -3.2300E-03 | 7.6900E-03 | -3.0040E-02 | 4.8017E-02 | -3.4720E-02 | -9.2000E-04 | 1.9005E-02 | -1.1450E-02 | 2.1760E-03 |
| S2 | 2.5980E-03 | -5.3790E-02 | 2.0824E-01 | -5.7022E-01 | 9.6167E-01 | -1.0030E+00 | 6.3075E-01 | -2.1861E-01 | 3.1781E-02 |
| S3 | -1.2796E-01 | 5.2307E-02 | -1.0483E-01 | 1.5917E-01 | -1.3795E-01 | 5.5052E-02 | 2.3960E-03 | -9.9400E-03 | 2.3680E-03 |
| S4 | -1.2018E-01 | 8.7654E-02 | -1.3956E-01 | 1.0754E-01 | -1.0400E-03 | -6.9030E-02 | 5.9003E-02 | -2.2150E-02 | 3.2990E-03 |
| S5 | -2.0100E-02 | 4.0130E-02 | -7.7180E-02 | 4.4723E-02 | 1.2350E-03 | -1.1180E-02 | 3.3380E-03 | 8.5700E-04 | -4.8000E-04 |
| S6 | 2.1327E-02 | -9.1000E-03 | -2.0160E-02 | 4.9592E-02 | -6.3990E-02 | 5.6768E-02 | -3.1840E-02 | 1.0591E-02 | -1.6400E-03 |
| S7 | 3.3113E-02 | 5.6293E-02 | -1.7088E-01 | 2.4903E-01 | -2.8336E-01 | 2.4463E-01 | -1.3213E-01 | 3.8690E-02 | -4.7200E-03 |
| S8 | -3.3700E-02 | 1.0139E-01 | -1.8528E-01 | 2.7378E-01 | -3.6372E-01 | 3.4434E-01 | -2.0150E-01 | 6.6051E-02 | -9.4500E-03 |
| S9 | -6.5260E-02 | -5.9520E-02 | 1.3234E-01 | -1.5431E-01 | 1.6922E-01 | -1.7991E-01 | 1.1965E-01 | -3.9250E-02 | 4.7390E-03 |
| S10 | 2.6984E-02 | -1.9846E-01 | 2.9751E-01 | -3.0564E-01 | 2.8418E-01 | -2.3501E-01 | 1.3525E-01 | -4.3170E-02 | 5.7060E-03 |
| S11 | 4.6022E-02 | -1.3454E-01 | 1.0837E-01 | -3.0790E-02 | -4.7960E-02 | 6.9427E-02 | -4.3080E-02 | 1.3681E-02 | -1.7900E-03 |
| S12 | -1.9500E-02 | -3.2260E-02 | 2.2033E-02 | -1.3650E-02 | 2.4510E-03 | 3.2140E-03 | -2.8500E-03 | 9.3700E-04 | -1.1000E-04 |
| S13 | -1.0297E-01 | -3.7780E-02 | -4.2150E-02 | 1.2237E-01 | -1.3531E-01 | 8.6357E-02 | -3.2300E-02 | 6.4000E-03 | -5.0000E-04 |
| S14 | -1.1520E-02 | -7.1400E-02 | 5.3947E-02 | -1.2480E-02 | -6.3800E-03 | 5.4270E-03 | -1.6500E-03 | 2.3600E-04 | -1.3000E-05 |
| S15 | 1.0585E-02 | 2.7630E-03 | 1.0237E-02 | -1.3590E-02 | 6.6590E-03 | -1.8200E-03 | 3.1400E-04 | -3.6000E-05 | 2.2500E-06 |
| S16 | -4.1830E-02 | 2.3348E-02 | -9.3600E-03 | 2.3580E-03 | -3.8000E-04 | 3.7200E-05 | -2.2000E-06 | 6.6700E-08 | -7.3000E-10 |
Table 14
Table 15 give the effective focal length f1 to f8 of each lens in embodiment 5, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.89 | f7(mm) | 100.00 |
| f2(mm) | -4.37 | f8(mm) | -3.16 |
| f3(mm) | 2.45 | f(mm) | 4.35 |
| f4(mm) | -10.21 | TTL(mm) | 5.56 |
| f5(mm) | 38.34 | ImgH(mm) | 3.54 |
| f6(mm) | -100.00 |
Table 15
Figure 10 A shows chromatic curve on the axis of the optical imaging lens of embodiment 5, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 10 B shows the astigmatism curve of the optical imaging lens of embodiment 5, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 10 C shows the distortion curve of the optical imaging lens of embodiment 5, indicates different
Corresponding distortion sizes values at image height.Figure 10 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 5, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 10 A to Figure 10 D it is found that given by embodiment 5
Optical imaging lens can be realized good image quality.
Embodiment 6
The optical imaging lens according to the embodiment of the present application 6 are described referring to Figure 11 to Figure 12 D.Figure 11 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 6.
As shown in figure 11, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have positive light coke, and object side S9 is concave surface, and image side surface S10 is convex surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 16 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 6
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 16
As shown in Table 16, in embodiment 6, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 17 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 6, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -2.8500E-03 | 6.8120E-03 | -3.3690E-02 | 7.2793E-02 | -9.8460E-02 | 8.5070E-02 | -4.6000E-02 | 1.4539E-02 | -2.0900E-03 |
| S2 | 2.4750E-03 | -4.4630E-02 | 1.5210E-01 | -3.9237E-01 | 6.1829E-01 | -5.9569E-01 | 3.4125E-01 | -1.0552E-01 | 1.3165E-02 |
| S3 | -1.2318E-01 | 3.9155E-02 | -5.0220E-02 | 3.0196E-02 | 3.8173E-02 | -8.1160E-02 | 5.6034E-02 | -1.6570E-02 | 1.3730E-03 |
| S4 | -1.1555E-01 | 6.0392E-02 | -4.2520E-02 | -1.0590E-01 | 2.9810E-01 | -3.3168E-01 | 1.9835E-01 | -6.2880E-02 | 8.3050E-03 |
| S5 | -1.6060E-02 | 2.1868E-02 | -2.4170E-02 | -5.5890E-02 | 1.2642E-01 | -1.1032E-01 | 5.0167E-02 | -1.0900E-02 | 7.0500E-04 |
| S6 | 2.6144E-02 | -3.1420E-02 | 3.6462E-02 | -3.2830E-02 | 4.8240E-03 | 2.6827E-02 | -2.9100E-02 | 1.3249E-02 | -2.3700E-03 |
| S7 | 3.9502E-02 | -6.1200E-03 | -1.2830E-02 | -4.1500E-03 | -9.8800E-03 | 4.7089E-02 | -4.1510E-02 | 1.5052E-02 | -2.0500E-03 |
| S8 | -2.1640E-02 | 4.8698E-02 | -7.2800E-02 | 1.0453E-01 | -1.8486E-01 | 2.1656E-01 | -1.4355E-01 | 5.0778E-02 | -7.6000E-03 |
| S9 | -5.3450E-02 | -9.5060E-02 | 2.0442E-01 | -2.2421E-01 | 1.6171E-01 | -9.6870E-02 | 4.1304E-02 | -7.8300E-03 | -1.1000E-05 |
| S10 | 3.0843E-02 | -2.4424E-01 | 4.1461E-01 | -4.4263E-01 | 3.4682E-01 | -2.1190E-01 | 9.4387E-02 | -2.5300E-02 | 2.9660E-03 |
| S11 | 4.4768E-02 | -1.5528E-01 | 1.5682E-01 | -7.9880E-02 | -2.2290E-02 | 6.3071E-02 | -4.2340E-02 | 1.3370E-02 | -1.6900E-03 |
| S12 | -1.2800E-02 | -3.9840E-02 | 2.7535E-02 | -9.9600E-03 | -6.6600E-03 | 9.9500E-03 | -5.3500E-03 | 1.4010E-03 | -1.5000E-04 |
| S13 | -9.4490E-02 | -4.0240E-02 | -3.5660E-02 | 9.8247E-02 | -9.9890E-02 | 5.9670E-02 | -2.1250E-02 | 4.0110E-03 | -2.9000E-04 |
| S14 | -5.9100E-03 | -6.6610E-02 | 4.3371E-02 | -4.6000E-03 | -9.3200E-03 | 5.9360E-03 | -1.6600E-03 | 2.2900E-04 | -1.2000E-05 |
| S15 | 6.2050E-03 | 7.5770E-03 | 9.6450E-03 | -1.5770E-02 | 8.6270E-03 | -2.6300E-03 | 4.8900E-04 | -5.5000E-05 | 2.9200E-06 |
| S16 | -4.6070E-02 | 2.6363E-02 | -1.0540E-02 | 2.6890E-03 | -4.5000E-04 | 4.9000E-05 | -3.4000E-06 | 1.4400E-07 | -2.7000E-09 |
Table 17
Table 18 give the effective focal length f1 to f8 of each lens in embodiment 6, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
Table 18
Figure 12 A shows chromatic curve on the axis of the optical imaging lens of embodiment 6, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 12 B shows the astigmatism curve of the optical imaging lens of embodiment 6, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 12 C shows the distortion curve of the optical imaging lens of embodiment 6, indicates different
Corresponding distortion sizes values at image height.Figure 12 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 6, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 12 A to Figure 12 D it is found that given by embodiment 6
Optical imaging lens can be realized good image quality.
Embodiment 7
The optical imaging lens according to the embodiment of the present application 7 are described referring to Figure 13 to Figure 14 D.Figure 13 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 7.
As shown in figure 13, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has negative power, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have negative power, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has negative power,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 19 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 7
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 19
As shown in Table 19, in embodiment 7, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 20 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 7, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 20
Table 21 give the effective focal length f1 to f8 of each lens in embodiment 7, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.90 | f7(mm) | 100.00 |
| f2(mm) | -4.44 | f8(mm) | -3.20 |
| f3(mm) | 2.50 | f(mm) | 4.32 |
| f4(mm) | -16.01 | TTL(mm) | 5.52 |
| f5(mm) | -100.00 | ImgH(mm) | 3.54 |
| f6(mm) | -100.00 |
Table 21
Figure 14 A shows chromatic curve on the axis of the optical imaging lens of embodiment 7, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 14 B shows the astigmatism curve of the optical imaging lens of embodiment 7, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 14 C shows the distortion curve of the optical imaging lens of embodiment 7, indicates different
Corresponding distortion sizes values at image height.Figure 14 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 7, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 14 A to Figure 14 D it is found that given by embodiment 7
Optical imaging lens can be realized good image quality.
Embodiment 8
The optical imaging lens according to the embodiment of the present application 8 are described referring to Figure 15 to Figure 16 D.Figure 15 shows root
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 8.
As shown in figure 15, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is concave surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has negative power, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 22 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 8
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 22
As shown in Table 22, in embodiment 8, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 23 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 8, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -2.9600E-03 | 1.1522E-02 | -5.1210E-02 | 1.0589E-01 | -1.3487E-01 | 1.0593E-01 | -5.0030E-02 | 1.3057E-02 | -1.4400E-03 |
| S2 | 5.6080E-03 | -5.8290E-02 | 2.0735E-01 | -5.2496E-01 | 8.1076E-01 | -7.7667E-01 | 4.4953E-01 | -1.4327E-01 | 1.9136E-02 |
| S3 | -1.2490E-01 | 6.8795E-02 | -1.3081E-01 | 2.4470E-01 | -3.6743E-01 | 3.8843E-01 | -2.6232E-01 | 1.0017E-01 | -1.6570E-02 |
| S4 | -1.2449E-01 | 7.7414E-02 | -5.4190E-02 | -5.4570E-02 | 1.5253E-01 | -1.4538E-01 | 7.6793E-02 | -2.3180E-02 | 3.1310E-03 |
| S5 | -1.6420E-02 | 1.8780E-02 | -8.9400E-03 | -5.2720E-02 | 8.2033E-02 | -5.6490E-02 | 2.2815E-02 | -5.0900E-03 | 3.6400E-04 |
| S6 | 1.8668E-02 | -5.6240E-02 | 9.7008E-02 | -1.3160E-01 | 1.4181E-01 | -1.1427E-01 | 6.2551E-02 | -1.9140E-02 | 2.3190E-03 |
| S7 | 6.0548E-02 | -7.2400E-02 | 6.6073E-02 | -5.4930E-02 | 2.0103E-02 | 2.4590E-03 | 3.0950E-03 | -4.8900E-03 | 1.2480E-03 |
| S8 | 1.1469E-02 | -2.5220E-02 | 4.8696E-02 | -1.2537E-01 | 1.8271E-01 | -1.7928E-01 | 1.1401E-01 | -4.0000E-02 | 5.6980E-03 |
| S9 | -5.2050E-02 | -1.1854E-01 | 3.1185E-01 | -5.1835E-01 | 6.2201E-01 | -5.2390E-01 | 2.8202E-01 | -8.5360E-02 | 1.0955E-02 |
| S10 | 3.3380E-03 | -2.1604E-01 | 4.4782E-01 | -6.1094E-01 | 6.0606E-01 | -4.2103E-01 | 1.9052E-01 | -4.9850E-02 | 5.7360E-03 |
| S11 | 1.9976E-02 | -1.1531E-01 | 1.1981E-01 | -6.1390E-02 | -2.7700E-02 | 6.6158E-02 | -4.4790E-02 | 1.4199E-02 | -1.7800E-03 |
| S12 | -1.3650E-02 | -3.6190E-02 | 2.8418E-02 | -1.4620E-02 | -2.9800E-03 | 8.7380E-03 | -5.2100E-03 | 1.4030E-03 | -1.5000E-04 |
| S13 | -7.9340E-02 | -6.4480E-02 | 4.1891E-02 | -4.3590E-02 | 4.9356E-02 | -3.6320E-02 | 1.5807E-02 | -3.8200E-03 | 4.0100E-04 |
| S14 | 4.5250E-03 | -5.6330E-02 | 3.3471E-02 | -5.3000E-03 | -3.8100E-03 | 2.4230E-03 | -6.1000E-04 | 7.5700E-05 | -3.7000E-06 |
| S15 | -4.9300E-03 | 1.8742E-02 | 1.3030E-03 | -9.7800E-03 | 5.7500E-03 | -1.7400E-03 | 3.1300E-04 | -3.2000E-05 | 1.5000E-06 |
| S16 | -5.0610E-02 | 2.7456E-02 | -1.0360E-02 | 2.6240E-03 | -4.6000E-04 | 5.5500E-05 | -4.5000E-06 | 2.1900E-07 | -4.8000E-09 |
Table 23
Table 24 give the effective focal length f1 to f8 of each lens in embodiment 8, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.92 | f7(mm) | -187.92 |
| f2(mm) | -4.65 | f8(mm) | -3.41 |
| f3(mm) | 3.13 | f(mm) | 4.30 |
| f4(mm) | 100.00 | TTL(mm) | 5.50 |
| f5(mm) | -23.11 | ImgH(mm) | 3.54 |
| f6(mm) | 25.94 |
Table 24
Figure 16 A shows chromatic curve on the axis of the optical imaging lens of embodiment 8, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 16 B shows the astigmatism curve of the optical imaging lens of embodiment 8, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 16 C shows the distortion curve of the optical imaging lens of embodiment 8, indicates different
Corresponding distortion sizes values at image height.Figure 16 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 8, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 16 A to Figure 16 D it is found that given by embodiment 8
Optical imaging lens can be realized good image quality.
Embodiment 9
The optical imaging lens according to the embodiment of the present application 9 are described referring to Figure 17 to Figure 18 D.Figure 17 shows roots
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 9.
As shown in figure 17, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have negative power, and object side S9 is concave surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 25 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 9
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 25
As shown in Table 25, in embodiment 9, the object side of any one lens of the first lens E1 into the 8th lens E8
It is aspherical with image side surface.Table 26 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 9, wherein each
Aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
Table 26
Table 27 give the effective focal length f1 to f8 of each lens in embodiment 9, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.93 | f7(mm) | 100.00 |
| f2(mm) | -4.73 | f8(mm) | -3.29 |
| f3(mm) | 3.18 | f(mm) | 4.26 |
| f4(mm) | 64.26 | TTL(mm) | 5.48 |
| f5(mm) | -22.00 | ImgH(mm) | 3.54 |
| f6(mm) | 27.33 |
Table 27
Figure 18 A shows chromatic curve on the axis of the optical imaging lens of embodiment 9, indicates the light warp of different wave length
Deviateed by the converging focal point after camera lens.Figure 18 B shows the astigmatism curve of the optical imaging lens of embodiment 9, indicates meridian
Curvature of the image and sagittal image surface bending.Figure 18 C shows the distortion curve of the optical imaging lens of embodiment 9, indicates different
Corresponding distortion sizes values at image height.Figure 18 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 9, indicates
Light via the different image heights after camera lens on imaging surface deviation.According to Figure 18 A to Figure 18 D it is found that given by embodiment 9
Optical imaging lens can be realized good image quality.
Embodiment 10
The optical imaging lens according to the embodiment of the present application 10 are described referring to Figure 19 to Figure 20 D.Figure 19 is shown
According to the structural schematic diagram of the optical imaging lens of the embodiment of the present application 10.
As shown in figure 19, according to the optical imaging lens of the application illustrative embodiments along optical axis by object side to image side according to
Sequence include: diaphragm STO, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5, the 6th thoroughly
Mirror E6, the 7th lens E7, the 8th lens E8, optical filter E9 and imaging surface S19.
First lens E1 has positive light coke, and object side S1 is convex surface, and image side surface S2 is concave surface.Second lens E2 has
Negative power, object side S3 are convex surface, and image side surface S4 is concave surface.The third lens E3 has positive light coke, and object side S5 is
Convex surface, image side surface S6 are convex surface.4th lens E4 has positive light coke, and object side S7 is convex surface, and image side surface S8 is convex surface.The
Five lens E5 have positive light coke, and object side S9 is convex surface, and image side surface S10 is concave surface.6th lens E6 has positive light coke,
Its object side S11 is convex surface, and image side surface S12 is concave surface.7th lens E7 has positive light coke, and object side S13 is convex surface, as
Side S14 is concave surface.8th lens E8 has negative power, and object side S15 is concave surface, and image side surface S16 is concave surface.Optical filter
E9 has object side S17 and image side surface S18.Light from object sequentially passes through each surface S1 to S18 and is ultimately imaged and is being imaged
On the S19 of face.
Table 28 shows surface type, radius of curvature, thickness, the material of each lens of the optical imaging lens of embodiment 10
And circular cone coefficient, wherein radius of curvature and the unit of thickness are millimeter (mm).
Table 28
As shown in Table 28, in embodiment 10, the object side of any one lens of the first lens E1 into the 8th lens E8
Face and image side surface are aspherical.Table 29 shows the high-order coefficient that can be used for each aspherical mirror in embodiment 10, wherein
Each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.
| Face number | A4 | A6 | A8 | A10 | A12 | A14 | A16 | A18 | A20 |
| S1 | -3.2500E-03 | 8.2560E-03 | -2.4770E-02 | 2.8395E-02 | -5.3800E-03 | -2.1800E-02 | 2.3864E-02 | -1.0030E-02 | 1.5550E-03 |
| S2 | 1.5000E-03 | -5.6490E-02 | 2.1718E-01 | -5.5083E-01 | 8.4060E-01 | -7.8789E-01 | 4.4359E-01 | -1.3699E-01 | 1.7684E-02 |
| S3 | -1.2353E-01 | 9.1791E-02 | -1.8406E-01 | 3.0794E-01 | -3.9240E-01 | 3.6096E-01 | -2.2054E-01 | 7.8448E-02 | -1.2320E-02 |
| S4 | -1.2252E-01 | 1.0309E-01 | -1.2213E-01 | 5.5700E-02 | 4.5214E-02 | -8.2430E-02 | 5.3468E-02 | -1.7500E-02 | 2.3790E-03 |
| S5 | -1.9200E-02 | 2.8642E-02 | -4.9820E-02 | 4.6389E-02 | -4.8560E-02 | 4.9450E-02 | -3.2980E-02 | 1.2475E-02 | -2.0700E-03 |
| S6 | 1.4380E-02 | -6.3170E-02 | 1.1554E-01 | -1.4869E-01 | 1.4080E-01 | -9.5520E-02 | 4.3094E-02 | -1.0360E-02 | 8.2800E-04 |
| S7 | 7.7826E-02 | -1.1214E-01 | 9.2793E-02 | 6.1240E-03 | -1.3380E-01 | 1.5690E-01 | -8.1990E-02 | 2.0624E-02 | -2.0200E-03 |
| S8 | 2.9023E-02 | -6.8300E-02 | 6.4645E-02 | -8.7500E-03 | -7.0790E-02 | 7.8316E-02 | -3.4740E-02 | 6.7970E-03 | -4.5000E-04 |
| S9 | -5.8820E-02 | -1.4202E-01 | 3.0851E-01 | -4.4312E-01 | 5.2361E-01 | -4.6276E-01 | 2.5844E-01 | -7.8460E-02 | 9.7940E-03 |
| S10 | 3.0100E-04 | -2.0150E-01 | 3.4734E-01 | -3.8981E-01 | 3.5769E-01 | -2.5795E-01 | 1.2540E-01 | -3.4520E-02 | 4.0210E-03 |
| S11 | 3.5366E-02 | -1.0129E-01 | 7.0865E-02 | -7.9900E-03 | -4.4230E-02 | 4.9277E-02 | -2.6130E-02 | 7.1180E-03 | -7.9000E-04 |
| S12 | 2.5980E-03 | -4.6820E-02 | 3.3529E-02 | -2.2040E-02 | 9.2660E-03 | -1.9100E-03 | -2.3000E-04 | 1.8500E-04 | -2.7000E-05 |
| S13 | -6.1760E-02 | -6.0590E-02 | 6.5531E-02 | -9.5840E-02 | 9.9875E-02 | -6.6230E-02 | 2.6773E-02 | -6.0200E-03 | 5.7300E-04 |
| S14 | 2.4114E-02 | -4.6380E-02 | 2.6968E-02 | -9.1600E-03 | 1.6930E-03 | -1.3000E-04 | -4.9000E-06 | 1.2700E-06 | -3.0000E-08 |
| S15 | -9.0100E-03 | 2.0515E-02 | -7.4000E-04 | -6.3700E-03 | 3.5960E-03 | -1.0300E-03 | 1.7300E-04 | -1.7000E-05 | 6.9700E-07 |
| S16 | -5.6930E-02 | 3.3003E-02 | -1.4050E-02 | 4.1550E-03 | -8.5000E-04 | 1.1900E-04 | -1.1000E-05 | 5.7700E-07 | -1.3000E-08 |
Table 29
Table 30 give the effective focal length f1 to f8 of each lens in embodiment 10, optical imaging lens total effective focal length f,
The object side S1 to imaging surface S19 of first lens E1 effective pixel area pair on the distance TTL and imaging surface S19 on optical axis
The long half ImgH of linea angulata.
| f1(mm) | 5.91 | f7(mm) | 97.82 |
| f2(mm) | -4.58 | f8(mm) | -3.24 |
| f3(mm) | 3.30 | f(mm) | 4.25 |
| f4(mm) | 100.00 | TTL(mm) | 5.45 |
| f5(mm) | 100.00 | ImgH(mm) | 3.54 |
| f6(mm) | 115.43 |
Table 30
Figure 20 A shows chromatic curve on the axis of the optical imaging lens of embodiment 10, indicates the light of different wave length
Deviate via the converging focal point after camera lens.Figure 20 B shows the astigmatism curve of the optical imaging lens of embodiment 10, indicates son
Noon curvature of the image and sagittal image surface bending.Figure 20 C shows the distortion curve of the optical imaging lens of embodiment 10, indicates not
With distortion sizes values corresponding at image height.Figure 20 D shows the ratio chromatism, curve of the optical imaging lens of embodiment 10, table
Show light via the deviation of the different image heights after camera lens on imaging surface.0A to Figure 20 D is it is found that 10 institute of embodiment according to fig. 2
The optical imaging lens provided can be realized good image quality.
To sum up, embodiment 1 to embodiment 10 meets relationship shown in table 31 respectively.
| Conditional/embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| f/EPD | 1.98 | 1.95 | 1.90 | 1.87 | 1.84 | 1.80 | 1.78 | 1.75 | 1.72 | 1.70 |
| f1/f3 | 2.79 | 2.94 | 2.87 | 2.55 | 2.41 | 2.37 | 2.36 | 1.89 | 1.87 | 1.79 |
| f2/f8 | 1.74 | 1.49 | 1.37 | 1.26 | 1.38 | 1.40 | 1.38 | 1.36 | 1.44 | 1.41 |
| f/(|R5|+|R6|) | 0.71 | 0.80 | 0.82 | 0.78 | 0.74 | 0.73 | 0.72 | 0.56 | 0.55 | 0.47 |
| R11/R12 | 0.36 | 0.26 | 0.49 | 1.17 | 1.17 | 0.90 | 1.16 | 0.68 | 0.69 | 0.92 |
| R15/R16 | -0.26 | -0.41 | -0.48 | -0.55 | -0.61 | -0.70 | -0.73 | -0.97 | -1.26 | -1.22 |
| |f/f5|+|f/f7| | 0.46 | 0.43 | 0.09 | 0.19 | 0.16 | 0.09 | 0.09 | 0.21 | 0.24 | 0.09 |
| CT3/TTL*10 | 1.29 | 1.37 | 1.30 | 1.23 | 1.21 | 1.20 | 1.25 | 1.06 | 1.05 | 1.05 |
| f/R13 | 0.23 | 0.20 | 0.29 | 0.35 | 0.36 | 0.39 | 0.43 | 0.41 | 0.43 | 0.43 |
| CT8/(CT6+CT7) | 1.38 | 1.35 | 1.00 | 0.85 | 0.90 | 0.84 | 1.07 | 0.72 | 0.58 | 0.51 |
| T67/(T12+T45) | 0.72 | 0.81 | 1.04 | 0.91 | 0.96 | 1.00 | 0.99 | 0.97 | 0.98 | 0.97 |
| R1/R4 | 0.89 | 0.95 | 0.96 | 0.93 | 0.91 | 0.90 | 0.89 | 0.86 | 0.85 | 0.86 |
| R2/R3 | 0.75 | 0.73 | 0.65 | 0.58 | 0.57 | 0.58 | 0.56 | 0.55 | 0.56 | 0.55 |
| TTL/ImgH | 1.60 | 1.59 | 1.58 | 1.58 | 1.57 | 1.56 | 1.56 | 1.55 | 1.55 | 1.54 |
Table 31
The application also provides a kind of imaging device, and electronics photosensitive element can be photosensitive coupling element (CCD) or complementation
Property matal-oxide semiconductor element (CMOS).Imaging device can be the independent imaging equipment of such as digital camera, be also possible to
The image-forming module being integrated on the mobile electronic devices such as mobile phone.The imaging device is equipped with optical imaging lens described above
Head.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (27)
1. optical imaging lens, along optical axis by object side to image side sequentially include: the first lens with focal power, second thoroughly
Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke；
The third lens have positive light coke, and object side and image side surface are convex surface；
The object side of 6th lens is convex surface；
8th lens have negative power, and object side is concave surface；
Total effective focal length f of the optical imaging lens and Entry pupil diameters EPD of the optical imaging lens meet f/EPD≤
2.0；And
The satisfaction of radius of curvature R 16-of the image side surface of the radius of curvature R 15 and the 8th lens of the object side of 8th lens
1.4 < R15/R16 < -0.2.
2. optical imaging lens according to claim 1, which is characterized in that the effective focal length f1 of first lens and institute
The effective focal length f3 for stating the third lens meets 1.7 < f1/f3 < 3.
3. optical imaging lens according to claim 1, which is characterized in that the effective focal length f2 of second lens and institute
The effective focal length f8 for stating the 8th lens meets 1 < f2/f8 < 2.
4. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
F, the effective focal length f7 of the effective focal length f5 of the 5th lens and the 7th lens meets | f/f5 |+| f/f7 | < 0.5.
5. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of first lens half
The radius of curvature R 4 of the image side surface of diameter R1 and second lens meets 0.6 < R1/R4 < 1.
6. optical imaging lens according to claim 1, which is characterized in that the curvature of the image side surface of first lens half
The radius of curvature R 3 of the object side of diameter R2 and second lens meets 0.5 < R2/R3 < 0.9.
7. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
F, the radius of curvature R 6 of the image side surface of the radius of curvature R 5 and the third lens of the object side of the third lens meets 0.4 <
F/ (| R5 |+| R6 |) < 1.
8. optical imaging lens according to claim 1, which is characterized in that the curvature of the object side of the 6th lens half
The radius of curvature R 12 of the image side surface of diameter R11 and the 6th lens meets 0.2 < R11/R12 < 1.2.
9. optical imaging lens according to claim 1, which is characterized in that total effective focal length of the optical imaging lens
The radius of curvature R 13 of the object side of f and the 7th lens meets 0 < f/R13 < 0.5.
10. optical imaging lens according to any one of claim 1 to 9, which is characterized in that the third lens are in institute
The object sides of center thickness CT3 on optical axis and first lens is stated to the imaging surface of the optical imaging lens in the light
Distance TTL on axis meets 1 < CT3/TTL*10 < 1.5.
11. optical imaging lens according to any one of claim 1 to 9, which is characterized in that the 6th lens are in institute
Center thickness CT6, center thickness CT7 of the 7th lens on the optical axis on optical axis are stated with the 8th lens in institute
The center thickness CT8 stated on optical axis meets 0.5 < CT8/ (CT6+CT7) < 1.5.
12. optical imaging lens according to any one of claim 1 to 9, which is characterized in that first lens and institute
Spacing distance T12, fourth lens and fiveth lens of second lens on the optical axis are stated on the optical axis
The spacing distance T67 of spacing distance T45 and the 6th lens and the 7th lens on the optical axis meets 0.6 < T67/
(T12+T45) 1.1 <.
13. optical imaging lens according to any one of claim 1 to 9, which is characterized in that the object of first lens
Side is to distance TTL of the imaging surface on the optical axis of the optical imaging lens and the imaging surface of the optical imaging lens
The half ImgH of upper effective pixel area diagonal line length meets TTL/ImgH≤1.6.
14. optical imaging lens, along optical axis by object side to image side sequentially include: the first lens with focal power, second thoroughly
Mirror, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens and the 8th lens, which is characterized in that
First lens have positive light coke；
The third lens have positive light coke, and object side and image side surface are convex surface；
The object side of 6th lens is convex surface；
8th lens have negative power, and object side is concave surface；
The effective focal length f1 of first lens and the effective focal length f3 of the third lens meet 1.7 < f1/f3 < 3.
15. optical imaging lens according to claim 14, which is characterized in that the curvature of the object side of first lens
The radius of curvature R 4 of the image side surface of radius R1 and second lens meets 0.6 < R1/R4 < 1.
16. optical imaging lens according to claim 15, which is characterized in that the curvature of the image side surface of first lens
The radius of curvature R 3 of the object side of radius R2 and second lens meets 0.5 < R2/R3 < 0.9.
17. optical imaging lens according to claim 14, which is characterized in that total effective coke of the optical imaging lens
Radius of curvature R 6 away from f, the image side surface of the radius of curvature R 5 of the object side of the third lens and the third lens meets 0.4
< f/ (| R5 |+| R6 |) < 1.
18. optical imaging lens according to claim 14, which is characterized in that the effective focal length f2 of second lens with
The effective focal length f8 of 8th lens meets 1 < f2/f8 < 2.
19. optical imaging lens according to claim 18, which is characterized in that the curvature of the object side of the 8th lens
The radius of curvature R 16 of the image side surface of radius R15 and the 8th lens meets -1.4 < R15/R16 < -0.2.
20. optical imaging lens according to claim 14, which is characterized in that total effective coke of the optical imaging lens
Effective focal length f7 away from f, the effective focal length f5 of the 5th lens and the 7th lens meets | f/f5 |+| f/f7 | < 0.5.
21. optical imaging lens according to claim 20, which is characterized in that total effective coke of the optical imaging lens
Radius of curvature R 13 away from f and the object side of the 7th lens meets 0 < f/R13 < 0.5.
22. optical imaging lens according to claim 14, which is characterized in that the curvature of the object side of the 6th lens
The radius of curvature R 12 of the image side surface of radius R11 and the 6th lens meets 0.2 < R11/R12 < 1.2.
23. optical imaging lens according to claim 14, which is characterized in that the third lens are on the optical axis
The imaging surface of center thickness CT3 and the object side of first lens to the optical imaging lens on the optical axis at a distance from
TTL meets 1 < CT3/TTL*10 < 1.5.
24. optical imaging lens according to claim 14, which is characterized in that the 6th lens are on the optical axis
Center thickness CT6, center thickness CT7 of the 7th lens on the optical axis and the 8th lens are on the optical axis
Center thickness CT8 meets 0.5 < CT8/ (CT6+CT7) < 1.5.
25. optical imaging lens according to claim 14, which is characterized in that first lens and second lens
The spacing distance T45 of spacing distance T12, the 4th lens and the 5th lens on the optical axis on the optical axis
Meet 0.6 < T67/ (T12+T45) < with the spacing distance T67 of the 6th lens and the 7th lens on the optical axis
1.1。
26. the optical imaging lens according to any one of claim 23 to 25, which is characterized in that first lens
Object side is to distance TTL of the imaging surface on the optical axis of the optical imaging lens and the imaging of the optical imaging lens
The half ImgH of effective pixel area diagonal line length meets TTL/ImgH≤1.6 on face.
27. optical imaging lens according to claim 26, which is characterized in that total effective coke of the optical imaging lens
Entry pupil diameters EPD away from f and the optical imaging lens meets f/EPD≤2.0.
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| WO2021109197A1 (en) * | 2019-12-04 | 2021-06-10 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
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