CN107102425A

CN107102425A - Optical imaging lens

Info

Publication number: CN107102425A
Application number: CN201710546349.9A
Authority: CN
Inventors: 闻人建科; 杨林
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2017-07-06
Filing date: 2017-07-06
Publication date: 2017-08-29
Anticipated expiration: 2037-07-06
Also published as: CN107102425B

Abstract

This application discloses a kind of optical imaging lens, the optical imaging lens are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power；Second lens have positive light coke；3rd lens have negative power；At least one in 6th lens and the 7th lens has negative power.Wherein, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens meet f2/ | f1 | ＜ 0.5.

Description

Optical imaging lens

Technical field

The application is related to a kind of optical imaging lens, more specifically, the application is related to and a kind of includes the optics of seven lens Imaging lens.

Background technology

With the development of science and technology, portable type electronic product progressively rises, the particularly portable electronic with camera function Product, which obtains people, more to be favored.In recent years, with the photosensitive coupling element of conventional photo-sensitive cell (CCD) or complementary gold oxide Belong to the raising and the reduction of size of the element functions such as semiconductor element (CMOS), the optical imaging lens used for matching High image quality and miniaturization propose higher requirement, so as to add the design difficulty of camera lens.

In order to meet miniaturization, conventional meanses are the number of lenses for being reduced as far as optical imaging lens.But, eyeglass The reduction of quantity can cause the missing of the lens design free degree so that camera lens is difficult to meet need of the market for high imaging performance Ask.

The content of the invention

This application provides be applicable to portable type electronic product, can at least solve or part solve it is of the prior art The optical imaging lens of at least one above-mentioned shortcoming.

The one side of the application provides such a optical imaging lens, and the optical imaging lens are along optical axis by thing Side to image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and Seven lens.First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power；Second lens can have positive light Focal power；3rd lens can have negative power；At least one in 6th lens and the 7th lens can have negative power.Its In, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens can meet f2/ | f1 | ＜ 0.5.

In one embodiment, the total effective focal length f and the 3rd lens of optical imaging lens effective focal length f3 can expire - 1.0 ＜ f/f3≤- 0.5 of foot.

In one embodiment, the total effective focal length f and the 4th lens of optical imaging lens effective focal length f4 can expire Sufficient f/ | f4 |≤0.5.

In one embodiment, total effective focal length f of optical imaging lens, the effective focal length f5 of the 5th lens and The effective focal length f6 of six lens can meet 0.4≤| f/f5 |+| f/f6 |≤1.0.

In one embodiment, the total effective focal length f and the 7th lens of optical imaging lens effective focal length f7 can expire Sufficient f/ | f7 | ＜ 1.0.

In one embodiment, the 4th lens in the center thickness CT4 on optical axis, the 5th lens in the center on optical axis Thickness CT5 and the 6th lens can meet (CT4+CT5+CT6)/3≤0.5 in the center thickness CT6 on optical axis.

In one embodiment, edge thickness ET4 and fourth lens of the 4th lens at maximum radius are on optical axis Center thickness CT4 can meet 0.4 ＜ ET4/CT4 ＜ 1.0.

In one embodiment, the thing side of the first lens can be convex surface.

In one embodiment, the image side surface of the 4th lens can be concave surface.

In one embodiment, the image side surface of the 6th lens can be concave surface.

In one embodiment, the curvature of the thing side of the lens of radius of curvature R 2 and second of the image side surface of the first lens Radius R3 can meet 0.8≤R2/R3≤1.0.

In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 3 and second of the thing side of the second lens Radius R4 can meet -0.5≤R3/R4≤0.

In one embodiment, the curvature of the thing side of the lens of radius of curvature R 6 and the 3rd of the image side surface of the 3rd lens Radius R5 can meet 0 ＜ R6/R5 ＜ 0.5.

In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 7 and the 4th of the thing side of the 4th lens Radius R8 can meet 0 ＜ R7/R8 ＜ 1.5.

In one embodiment, the curvature of the image side surface of the lens of radius of curvature R 9 and the 6th of the thing side of the 5th lens Radius R12 can be met | (R9-R12)/(R9+R12) |≤2.0.

In one embodiment, the thing side of the first lens to optical imaging lens distance of the imaging surface on optical axis The half ImgH of the effective pixel area diagonal line length of photo-sensitive cell on the imaging surface of TTL and optical imaging lens can be met TTL/ImgH≤1.85。

The one side of the application provide such a optical imaging lens, the imaging lens along optical axis by thing side extremely Image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and at least one Individual subsequent lens.At least one in first lens, the 4th lens and the 5th lens can have positive light coke；Second lens have Positive light coke；3rd lens have negative power；6th lens have positive light coke or negative power.Wherein, the 4th lens in Center thickness CT4, the 5th lens on optical axis is thick in the center on optical axis in the center thickness CT5 and the 6th lens on optical axis Degree CT6 can meet (CT4+CT5+CT6)/3≤0.5.

In one embodiment, the effective focal length f1 of the first lens and the effective focal length f2 of the second lens can meet f2/ | F1 | ＜ 0.5.

In one embodiment, the image side surface of the 4th lens can be concave surface；And the 4th lens thing side curvature The radius of curvature R 8 of the image side surface of radius R7 and the 4th lens can meet 0 ＜ R7/R8 ＜ 1.5.

In one embodiment, the image side surface of the 6th lens can be concave surface；And the 5th lens thing side curvature Radius R9 and the image side surface of the 6th lens radius of curvature R 12 can be met | (R9-R12)/(R9+R12) |≤2.0.

In one embodiment, at least one subsequent lens is saturating including the with positive light coke or negative power the 7th Total effective focal length f of mirror, its effective focal length f7 and optical imaging lens can meet f/ | f7 | ＜ 1.0.

Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by Thing side to image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and 7th lens.Wherein, the thing side of the first lens is convex surface；The lens of radius of curvature R 3 and second of the thing side of second lens The radius of curvature R 4 of image side surface can meet -0.5≤R3/R4≤0；The lens of radius of curvature R 5 and the 3rd of the thing side of 3rd lens The radius of curvature R 6 of image side surface can meet 0 ＜ R6/R5 ＜ 0.5；The image side surface of 4th lens and the 6th lens can be concave surface； At least one in the thing side of 5th lens and image side surface can be convex surface；And the 7th lens thing side and image side surface in At least one can be concave surface.

In one embodiment, the second lens can have positive light coke；The effective focal length f1 of first lens and second is saturating The effective focal length f2 of mirror can meet f2/ | f1 | ＜ 0.5.

In one embodiment, the 3rd lens can have negative power；Total effective focal length f of optical imaging lens and The effective focal length f3 of three lens can meet -1.0 ＜ f/f3≤- 0.5.

In one embodiment, at least one in the first lens, the 4th lens and the 5th lens can have positive light focus Degree.

In one embodiment, at least one in the 6th lens and the 7th lens can have negative power.

Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by Thing side to image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and 7th lens.First lens have positive light coke or negative power, and its thing side is convex surface；Second lens can have positive light focus Degree；3rd lens can have negative power；4th lens have positive light coke or negative power, and its image side surface is concave surface；5th Lens have positive light coke or negative power；6th lens have positive light coke or negative power, and its image side surface is concave surface；And 7th lens have positive light coke or negative power.Wherein, the lens of radius of curvature R 9 and the 6th of the thing side of the 5th lens The radius of curvature R 12 of image side surface can be met | (R9-R12)/(R9+R12) |≤2.0.

Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by Thing side to image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and 7th lens.First lens have positive light coke or negative power, and its thing side is convex surface；Second lens can have positive light focus Degree；3rd lens can have negative power；4th lens have positive light coke or negative power, and its image side surface is concave surface；5th Lens have positive light coke or negative power；6th lens have positive light coke or negative power, and its image side surface is concave surface；And 7th lens have positive light coke or negative power.Wherein, edge thickness ET4 and fourth of the 4th lens at maximum radius is saturating Mirror can meet 0.4 ＜ ET4/CT4 ＜ 1.0 in the center thickness CT4 on optical axis.

Further aspect of the application additionally provides such a optical imaging lens, the optical imaging lens along optical axis by Thing side to image side sequentially includes：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and 7th lens.First lens have positive light coke or negative power, and its thing side is convex surface；Second lens can have positive light focus Degree；3rd lens can have negative power；4th lens have positive light coke or negative power, and its image side surface is concave surface；5th Lens have positive light coke or negative power；6th lens have positive light coke or negative power, and its image side surface is concave surface；And 7th lens have positive light coke or negative power.Wherein, the lens of radius of curvature R 2 and second of the image side surface of the first lens The radius of curvature R 3 of thing side can meet 0.8≤R2/R3≤1.0.

The application can pass through each power of lens, face in reasonable distribution optical imaging lens using such as seven lens Spacing etc. on the axle of type, the center thickness of each lens and each lens so that the optical imaging lens have it is following at least one Advantage：

Shorten imaging system total length；

Realize miniaturization and the ultra-slim features of camera lens；

The susceptibility of reduction system；

Correct all kinds of aberrations；And

Improve the image quality of camera lens.

Brief description of the drawings

With reference to accompanying 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 representation 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 axle of the optical imaging lens of embodiment 1, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 3 shows the structural representation of the optical imaging lens according to the embodiment of the present application 2；

Fig. 4 A to Fig. 4 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 2, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 5 shows the structural representation of the optical imaging lens according to the embodiment of the present application 3；

Fig. 6 A to Fig. 6 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 3, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 7 shows the structural representation of the optical imaging lens according to the embodiment of the present application 4；

Fig. 8 A to Fig. 8 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 4, astigmatism curve, distortion Curve and ratio chromatism, curve；

Fig. 9 shows the structural representation of the optical imaging lens according to the embodiment of the present application 5；

Figure 10 A to Figure 10 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 5, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 11 shows the structural representation of the optical imaging lens according to the embodiment of the present application 6；

Figure 12 A to Figure 12 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 6, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 13 shows the structural representation of the optical imaging lens according to the embodiment of the present application 7；

Figure 14 A to Figure 14 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 7, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 15 shows the structural representation of the optical imaging lens according to the embodiment of the present application 8；

Figure 16 A to Figure 16 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 8, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 17 shows the structural representation of the optical imaging lens according to the embodiment of the present application 9；

Figure 18 A to Figure 18 D respectively illustrate chromatic curve on the axle of the optical imaging lens of embodiment 9, astigmatism curve, abnormal Varied curve and ratio chromatism, curve；

Figure 19 shows the structural representation 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 axle of the optical imaging lens of embodiment 10, astigmatism curve, Distortion curve and ratio chromatism, curve.

Embodiment

In order to more fully understand the application, refer to the attached drawing is made into more detailed description to the various aspects of the application.Should Understand, these describe the description of illustrative embodiments simply to the application in detail, rather than limit the application in any way Scope.In the specification, identical reference numbers identical element.Stating "and/or" includes associated institute Any and all combinations of one or more of list of items.

It should be noted that in this manual, the statement of first, second, third, etc. is only used for a feature and another spy Levy and make a distinction, and do not indicate that any limitation to feature.Therefore, in the case of without departing substantially from teachings of the present application, hereinafter The first lens discussed are also known as the second lens or the 3rd lens.

In the accompanying drawings, for convenience of description, thickness, the size and dimension of lens are somewhat exaggerated.Specifically, accompanying drawing Shown in sphere or aspherical shape be illustrated by way of example.That is, sphere or aspherical shape is not limited to accompanying drawing In the sphere that shows or aspherical shape.Accompanying drawing is merely illustrative and simultaneously non-critical is 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 putting, 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.It is referred to as thing side near the surface of object in each lens, It is referred to as image side surface near the surface of imaging surface in each lens.

It will also be appreciated that term " comprising ", " including ", " having ", "comprising" and/or " including ", when in this theory Represent there is stated feature, element and/or part when being used in bright book, but do not preclude the presence or addition of one or more Further feature, element, part and/or combinations thereof.In addition, ought the statement of such as " ... at least one " appear in institute When after the list of row feature, the whole listed feature of modification, rather than the individual component in modification list.In addition, working as description originally During the embodiment of application, represented " one or more embodiments of the application " using "available".Also, term " exemplary " It is intended to refer to example or illustration.

Unless otherwise defined, otherwise all terms (including technical terms and scientific words) used herein be respectively provided with The application one skilled in the art's is generally understood that identical implication.It will also be appreciated that term is (such as in everyday words Term defined in allusion quotation) implication consistent with their implications in the context of correlation technique should be interpreted as having, and It will not explained with idealization or excessively formal sense, unless clearly such herein limit.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application 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.

Include such as seven lens with focal power according to the optical imaging lens of the application illustrative embodiments, i.e., First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens and the 7th lens.This seven lens edges Optical axis from thing side to image side sequential.

The sense for being arranged at imaging surface can also be further comprised according to the optical imaging lens of the application illustrative embodiments Optical element.Alternatively, the photo-sensitive cell for being arranged at imaging surface can be photosensitive coupling element (CCD) or Complimentary Metal-Oxide half Conductor element (CMOS).

In the exemplary embodiment, the first lens have positive light coke or negative power, and its thing side can be convex surface, as Side can be concave surface；Second lens can have positive light coke, and its thing side can be convex surface, and image side surface can be convex surface；3rd lens There can be negative power, its thing side can be convex surface, and image side surface can be concave surface；4th lens have positive light coke or negative light focus Degree, its thing side can be convex surface, and image side surface can be concave surface；5th lens have positive light coke or negative power；6th lens have There are positive light coke or negative power, its image side surface can be concave surface；And the 7th lens there is positive light coke or negative power, its thing Side can be convex surface, and image side surface can be concave surface.

F2/ can be met between the effective focal length f1 of first lens and the effective focal length f2 of the second lens | f1 | ＜ 0.5, more Body, f1 and f2 can further meet 0.04≤f2/ | f1 |≤0.39.To the reasonable of the first lens and the second lens effective focal length Configuration, helps to shorten the total length of optical system, while being conducive to aberration on correction axle.

- 1.0 ＜ f/f3 can be met between the effective focal length f3 of 3rd lens and total effective focal length f of optical imaging lens ≤ -0.5, more specifically, can further meet -0.82≤f/f3≤- 0.54 between f3 and f.Reasonable disposition optical imaging lens Total effective focal length f and the 3rd lens effective focal length f3, the refracting power change of stationary lens group, lifting camera lens can be balanced Image quality.

F/ can be met between the effective focal length f4 of 4th lens and total effective focal length f of optical imaging lens | f4 |≤0.5, More specifically, can further meet 0.00≤f/ between f4 and f | f4 |≤0.23.Reasonable distribution optical imaging lens it is total effectively Focal length f and the 4th lens effective focal length f4, can effectively reduce the deflection angle of light, reduce the susceptibility of optical system.

Effective focal length f5, the effective focal length f6 of the 6th lens and total effective focal length of optical imaging lens of 5th lens It can meet 0.4 between f≤| f/f5 |+| f/f6 |≤1.0, more specifically, can further meet 0.44 between f5, f6 and f≤| f/ f5|+|f/f6|≤0.92.The total effective focal length f and the 5th lens, the effective focal length of the 6th lens of optical imaging lens, are helped In being adjusted to the curvature of field and astigmatism as edge, the image quality of camera lens is lifted.

F/ can be met between the effective focal length f7 of 7th lens and total effective focal length f of optical imaging lens | f7 | ＜ 1.0, More specifically, can further meet 0.01≤f/ between f7 and f | f7 |≤0.85.Reasonable distribution optical imaging lens it is total effectively Focal length f and the 7th lens effective focal length f7, can effectively reduce the deflection angle of light, reduce the susceptibility of optical system.

In the application, reasonable disposition can be carried out to the radius of curvature of each lens mirror, to realize preferably optical characteristics.

It can be met between the radius of curvature R 3 of the thing side of the lens of radius of curvature R 2 and second of the image side surface of first lens 0.8≤R2/R3≤1.0, more specifically, can further meet 0.88≤R2/R3≤0.95 between R2 and R3.Rational control the One lens image side surface and the radius of curvature of the second lens thing side, can preferably convergent boundary light, reduce the outer coma of axle, carry The image quality of high camera lens.

Second lens have positive light coke, are convergent lens, the radius of curvature R 3 of its thing side and the curvature of image side surface half - 0.5≤R3/R4≤0 can be met between the R4 of footpath, more specifically, can further be met between R3 and R4-0.35≤R3/R4≤- 0.10.Rationally the radius of curvature of the second lens thing of control side and image side surface, preferably can enter line convergence to its thing sidelight line, The chromatic longitudiinal aberration of reduction system.

3rd lens have negative power, are divergent lens, the radius of curvature R 5 of its thing side and the curvature of image side surface half 0 ＜ R6/R5 ＜ 0.5 can be met between the R6 of footpath, more specifically, can further meet 0.22≤R6/R5≤0.33 between R5 and R6. On the premise of meeting specification in lens imaging face, the radius of curvature of the 3rd lens image side surface and thing side is rationally controlled, can be rationally Ground reduces angle of incidence of light, reduces system sensitivity, and ensure the stability of assembling.

0 can be met between the radius of curvature R 8 of the image side surface of the lens of radius of curvature R 7 and the 4th of the thing side of 4th lens ＜ R7/R8 ＜ 1.5, more specifically, can further meet 0.32≤R7/R8≤1.10 between R7 and R8.Reasonable distribution the 4th is saturating Mirror thing side and the radius of curvature of image side surface, can cause system to obtain smaller chromatic longitudiinal aberration.

It can be met between the radius of curvature R 12 of the image side surface of the lens of radius of curvature R 9 and the 6th of the thing side of 5th lens | (R9-R12)/(R9+R12) |≤2.0, more specifically, can further meet 0.07 between R9 and R12≤| (R9-R12)/(R9+ R12)|≤1.60.The 5th lens thing of rationally control distribution side and the radius of curvature of the 6th lens image side surface, can cause system Obtain aberration on smaller axle.

4th lens are saturating in the center thickness CT5 and the 6th on optical axis in the center thickness CT4 on optical axis, the 5th lens Mirror can meet (CT4+CT5+CT6)/3≤0.5 between the center thickness CT6 on optical axis, more specifically, CT4, CT5 and CT6 it Between can further meet 0.30≤(CT4+CT5+CT6)/3≤0.45.The lens of reasonable Arrangement the 4th, the 5th lens and the 6th lens Center thickness so that the 4th lens, the 5th lens and the 6th lens have more rational space availability ratio, and meet assembling Process requirements.

The optics total length TTL of optical imaging lens is (that is, from the thing side of the first lens to the imaging of optical imaging lens Distance of the face on optical axis) with optical imaging lens imaging surface on photo-sensitive cell effective pixel area diagonal line length half ImgH Between can meet TTL/ImgH≤1.85, more specifically, TTL and ImgH can further meet 1.37≤TTL/ImgH≤1.84. To TTL and ImgH reasonable disposition, be conducive to reducing the aberration of peripheral field；Simultaneously, additionally it is possible to the effectively chi of compressibility It is very little, it is ensured that the ultra-slim features of camera lens and miniaturization.

In the exemplary embodiment, imaging lens can also be arranged as required to an at least diaphragm between above-mentioned optics. For example, the diaphragm (for example, aperture diaphragm) for confine optical beam can be provided between thing side and the first lens, with improving optical The image quality of imaging lens.

Alternatively, above-mentioned optical imaging lens may also include optical filter for correcting color error ratio and/or for protecting The protective glass of photo-sensitive cell on imaging surface.

By the Rational choice to number of lenses in camera lens, such as seven described in above-mentioned embodiment, it can obtain Preferably design freedom, so as to better meet requirement of the market to the high imaging performance of camera lens.Pass through each lens of reasonable distribution Focal power, face type, spacing etc., can shorten the light of optical system on the axle between the center thickness of each lens and each lens Learn overall length, it is ensured that camera lens is minimized and ultra-slim features；All kinds of aberrations can be corrected, the image quality of camera lens is lifted；It can reduce Fabricate error sensitivity, it is ensured that assemble stable.

In addition, as known to those skilled in the art, non-spherical lens has more preferably radius of curvature characteristic, with changing It is kind to distort aberration and improve the advantage of astigmatic image error.In presently filed embodiment, respectively the lens with focal power can be adopted With non-spherical lens, to eliminate the aberration occurred when imaging as much as possible, so that further improving optical imaging system Image quality.The use of non-spherical lens, not only can significantly improve as matter, reduce aberration, can also reduce camera lens Number of lenses, reduces camera lens volume.

Those skilled in the art be also understood that without departing from this application claims technical scheme in the case of, The lens numbers for constituting optical imaging lens can be changed, to obtain each result and the advantage described in this specification.Though for example, So it is described in embodiments by taking seven lens as an example, but the optical imaging system is not limited to include seven lens. If desired, the optical imaging lens may also include the lens of other quantity.

The specific embodiment for the optical imaging lens for being applicable to above-mentioned embodiment is further described with reference to the accompanying drawings.

Embodiment 1

The optical imaging lens according to the embodiment of the present application 1 are described referring to Fig. 1 to Fig. 2 D.Fig. 1 is shown according to this Apply for the structural representation of the optical imaging lens of embodiment 1.

As shown in figure 1, optical imaging lens along optical axis from thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.

First lens E1 has positive light coke, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1 Thing side S1 and image side surface S2 be aspherical.

Second lens E2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is convex surface, and the second lens E2 Thing side S3 and image side surface S4 be aspherical.

3rd lens E3 has negative power, and its thing side S5 is convex surface, and image side surface S6 is concave surface, and the 3rd lens E3 Thing side S5 and image side surface S6 be aspherical.

4th lens E4 has negative power, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4 Thing side S7 and image side surface S8 be aspherical.

5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is concave surface, and the 5th lens E5 thing side S9 and image side surface S10 is aspherical.

6th lens E6 has positive light coke, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens E6 thing side S11 and image side surface S12 is aspherical.

7th lens E7 has negative power, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens E7 thing side S13 and image side surface S14 is aspherical.

Alternatively, optical imaging lens may also include the optical filter E8 with thing side S15 and image side surface S16.From thing The light of body sequentially through each surface S1 to S16 and is ultimately imaged on imaging surface S17.

Alternatively, the diaphragm STO of confine optical beam can be provided between thing side and the first lens E1, with improving optical into As the image quality of camera lens.

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, the unit of radius of curvature and thickness is millimeter (mm).

Table 1

As shown in Table 1, the first lens E1 image side surface S2 lens E2 of radius of curvature R 2 and second thing side S3 song R2/R3=0.92 is met between rate radius R3；The second lens E2 thing side S3 lens E2 of radius of curvature R 3 and second picture R3/R4=-0.35 is met between side S4 radius of curvature R 4；3rd lens E3 thing side S5 radius of curvature R 5 and the 3rd R6/R5=0.22 is met between lens E3 image side surface S6 radius of curvature R 6；4th lens E4 thing side S7 curvature half R7/R8=1.08 is met between footpath R7 and the 4th lens E4 image side surface S8 radius of curvature R 8；5th lens E5 thing side Met between the S9 lens E6 of radius of curvature R 9 and the 6th image side surface S12 radius of curvature R 12 | (R9-R12)/(R9+R12) | =0.07；4th lens E4 is in the center thickness CT4 on optical axis, the 5th lens E5 in the center thickness CT5 on optical axis and Six lens E6 meet (CT4+CT5+CT6)/3=0.30 between the center thickness CT6 on optical axis.

The present embodiment employ seven lens as an example, by the focal length of each lens of reasonable distribution, the face type of each lens, Spacing distance between the center thickness of each lens and each lens, while imaging lens miniaturization is realized, reduces camera lens Susceptibility and lift the image quality of camera lens.In the present embodiment, each aspherical face type x is limited by below equation：

Wherein, x be it is aspherical along optical axis direction height be h position when, away from aspheric vertex of surface apart from rise；C is Aspherical paraxial curvature, c=1/R (that is, paraxial curvature c is the mean curvature radius R of upper table 1 inverse)；K be circular cone coefficient ( Provided in table 1)；Ai is the correction factor of aspherical i-th-th ranks.Table 2 below is given available for each aspherical in embodiment 1 Minute surface S1-S14 high order term coefficient A₄、A₆、A₈、A₁₀、A₁₂、A₁₄、A₁₆、A₁₈And A₂₀。

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.9814E-01

-3.2292E- 01

4.4170E-01

-5.0199E-01

3.8645E-01

- 1.9113E- 01

5.8370E-02

-1.0008E- 02

7.3800E-04

S2

1.9347E-02

-2.0791E- 01

2.1158E-01

-2.2213E-01

3.8643E-01

- 4.3362E- 01

2.6909E-01

-8.7430E- 02

1.1580E-02

S3

5.4620E-03

-1.6261E- 01

2.0462E-01

-4.0410E-01

9.3159E-01

-1.1090E +00

6.9077E-01

-2.2074E- 01

2.8851E-02

S4

-5.5429E- 02

7.4454E-02

-2.6843E-01

5.1903E-01

-5.4114E-01

3.0561E- 01

-8.6402E-02

9.1107E-03

1.5514E-04

S5

-8.3040E- 02

1.4005E-01

-4.5056E-01

1.0351E+00

-1.6429E+00

1.7540E+ 00

-1.1795E+00

4.5306E-01

-7.6055E- 02

S6

1.0173E-01

-1.6113E- 01

2.2797E-01

-2.9521E-01

2.2019E-01

3.6486E- 02

-1.7295E-01

1.0809E-01

-2.2411E- 02

S7

-4.6717E- 02

1.5938E-01

-6.4159E-01

1.4931E+00

-2.2408E+00

2.1013E+ 00

-1.1606E+00

3.4272E-01

-4.1659E- 02

S8

-1.3960E- 01

4.3043E-01

-1.5257E+00

3.1574E+00

-4.1823E+00

3.5472E+ 00

-1.8328E+00

5.2195E-01

-6.2620E- 02

S9

-5.2670E- 02

3.1052E-01

-1.0896E+00

2.0674E+00

-2.5523E+00

2.0229E+ 00

-9.7433E-01

2.5740E-01

-2.8478E- 02

S10

4.8803E-02

-2.3454E- 01

4.3454E-01

-5.1730E-01

3.7797E-01

- 1.6879E- 01

4.4686E-02

-6.4174E- 03

3.8473E-04

S11

2.2435E-01

-5.1892E- 01

6.4322E-01

-6.6872E-01

5.1477E-01

- 2.6519E- 01

8.3743E-02

-1.4440E- 02

1.0365E-03

S12

1.1866E-01

-1.5603E- 01

1.0317E-02

6.7512E-02

-5.5647E-02

2.2280E- 02

-4.9504E-03

5.8021E-04

-2.7914E- 05

S13

-3.2033E- 01

1.3105E-01

1.7158E-02

-8.8439E-02

7.0055E-02

- 2.7323E- 02

5.7926E-03

-6.3882E- 04

2.8754E-05

S14

-2.4300E- 01

1.6952E-01

-9.6721E-02

3.8326E-02

-9.9892E-03

1.6435E- 03

-1.6259E-04

8.7887E-06

-1.9893E- 07

Table 2

Table 3 below provides the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 1, optical imaging lens Total effective focal length f, the optics total length TTL of optical imaging lens are (that is, from the first lens E1 thing side S1 to imaging surface S17 Distance on optical axis) and optical imaging lens imaging surface S17 on photo-sensitive cell effective pixel area diagonal line length one Half ImgH.

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	12.03	3.70	-5.01	-199.87	20.52
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	17.29	-8.66	4.09	4.97	2.70

Table 3

It can be obtained according to table 3, f2/ is met between the first lens E1 effective focal length f1 and the second lens E2 effective focal length f2 | f1 |=0.31；F/f3=- is met between 3rd lens E3 effective focal length f3 and total effective focal length f of optical imaging lens 0.82；F/ is met between 4th lens E4 effective focal length f4 and total effective focal length f of optical imaging lens | f4 |=0.02；The Between five lens E5 effective focal length f5, the 6th lens E6 effective focal length f6 and total effective focal length f of optical imaging lens Meet | f/f5 |+| f/f6 |=0.44；Between 7th lens E7 effective focal length f7 and total effective focal length f of optical imaging lens Meet f/ | f7 |=0.47；Photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens Effective pixel area diagonal line length half ImgH between meet TTL/ImgH=1.84.

In the optical imaging lens of the present embodiment, the 4th lens E4 is in center thickness CT4 and the 4th lens on optical axis E4 meets ET4/CT4=0.81 between the edge thickness ET4 at maximum radius.

Fig. 2A shows chromatic curve on the axle of the optical imaging lens of embodiment 1, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 2 B show the astigmatism curve of the optical imaging lens of embodiment 1, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 2 C show the distortion curve of the optical imaging lens of embodiment 1, and it represents different visual angles In the case of distortion sizes values.Fig. 2 D show the ratio chromatism, curve of the optical imaging lens of embodiment 1, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 2A to Fig. 2 D, optics given by embodiment 1 into As camera lens can realize good image quality.

Embodiment 2

The optical imaging lens according to the embodiment of the present application 2 are described referring to Fig. 3 to Fig. 4 D.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 representation.

As shown in figure 3, optical imaging lens along optical axis from thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.

4th lens E4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is concave surface, and the 4th lens E4 Thing side S7 and image side surface S8 be aspherical.

6th lens E6 has negative power, and its thing side S11 is convex surface, and image side surface S12 is concave surface, and the 6th lens E6 thing side S11 and image side surface S12 is aspherical.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspheric in embodiment 2 The high order term coefficient of face minute surface.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 6 shows Gone out the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 2, total effective focal length f of optical imaging lens, The effective pixel area of photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens The half ImgH of diagonal line length.

Table 4

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

2.1568E-01

-3.7435E-01

5.0620E-01

-5.8492E-01

4.4124E- 01

-2.0124E-01

5.3894E -02

-7.8284E-03

4.7720E-04

S2

8.9671E-02

-3.2814E-01

3.0544E-01

-2.8957E-01

3.4510E- 01

-2.5526E-01

1.0037E -01

-1.9845E-02

1.5632E-03

S3

-8.0009E-04

1.3832E-01

-8.4595E-01

1.3843E+00

-1.0284E +00

3.9086E-01

- 7.7419E -02

8.5688E-03

-6.7175E-04

S4

-4.6929E-02

5.2336E-02

-3.5508E-01

7.6162E-01

- 8.0751E- 01

4.7557E-01

- 1.5780E -01

2.7611E-02

-1.9835E-03

S5

-6.9491E-02

3.1235E-01

-1.2014E+00

2.4058E+00

-2.8517E +00

2.0061E+00

- 7.8854E -01

1.5064E-01

-9.3830E-03

S6

9.6408E-02

-2.2380E-01

8.5846E-01

-2.2568E+00

3.5543E+ 00

-3.4090E+00

1.9512E +00

-6.0568E-01

7.7908E-02

S7

-9.1085E-02

1.9923E-01

-5.3698E-01

1.0069E+00

-1.1522E +00

7.9348E-01

- 3.2093E -01

7.0083E-02

-6.3682E-03

S8

-1.4244E-01

2.0372E-01

-5.8597E-01

1.0026E+00

-1.0079E +00

6.1492E-01

- 2.2208E -01

4.3608E-02

-3.5907E-03

S9

9.3661E-03

1.8729E-01

-5.9447E-01

8.2254E-01

- 7.1947E- 01

4.0353E-01

- 1.3977E -01

2.7138E-02

-2.2486E-03

S10

7.1234E-02

-1.0899E-01

1.0225E-01

-1.0325E-01

6.2549E- 02

-2.0974E-02

3.9117E -03

-3.8200E-04

1.5270E-05

S11

2.3774E-01

-5.1589E-01

4.8805E-01

-3.0329E-01

1.1584E- 01

-2.4696E-02

2.4724E -03

-4.0084E-05

-6.8407E-06

S12

1.6380E-01

-2.8938E-01

2.1152E-01

-9.8367E-02

2.9996E- 02

-5.8052E-03

6.7861E -04

-4.3460E-05

1.1665E-06

S13

-2.5402E-01

1.3844E-01

-5.2410E-02

1.5891E-02

- 3.5018E- 03

5.1148E-04

- 4.6234E -05

2.3309E-06

-4.9973E-08

S14

-1.6977E-01

1.0073E-01

-4.1395E-02

1.1391E-02

- 2.0721E- 03

2.4251E-04

- 1.7434E -05

6.9687E-07

-1.1803E-08

Table 5

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	32.68	3.30	-6.70	448.38	11.26
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-13.69	-115.11	3.66	4.98	3.24

Table 6

Fig. 4 A show chromatic curve on the axle of the optical imaging lens of embodiment 2, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 4 B show the astigmatism curve of the optical imaging lens of embodiment 2, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 4 C show the distortion curve of the optical imaging lens of embodiment 2, and it represents different visual angles In the case of distortion sizes values.Fig. 4 D show the ratio chromatism, curve of the optical imaging lens of embodiment 2, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 4 A to Fig. 4 D, optics given by embodiment 2 into As camera lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 3.

As shown in figure 5, optical imaging lens along optical axis from thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.

5th lens E5 has positive light coke, and its thing side S9 is convex surface, and image side surface S10 is convex surface, and the 5th lens E5 thing side S9 and image side surface S10 is aspherical.

7th lens E7 has positive light coke, and its thing side S13 is convex surface, and image side surface S14 is concave surface, and the 7th lens E7 thing side S13 and image side surface S14 is aspherical.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspheric in embodiment 3 The high order term coefficient of face minute surface.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 9 shows Gone out the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 3, total effective focal length f of optical imaging lens, The effective pixel area of photo-sensitive cell on the optics total length TTL and optical imaging lens imaging surface S17 of optical imaging lens The half ImgH of diagonal line length.

Table 7

Table 8

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	21.24	3.72	-6.80	-163.14	11.19
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-16.41	150.22	3.82	4.98	3.39

Table 9

Fig. 6 A show chromatic curve on the axle of the optical imaging lens of embodiment 3, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 6 B show the astigmatism curve of the optical imaging lens of embodiment 3, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 6 C show the distortion curve of the optical imaging lens of embodiment 3, and it represents different visual angles In the case of distortion sizes values.Fig. 6 D show the ratio chromatism, curve of the optical imaging lens of embodiment 3, and it represents light warp The deviation of different image heights after camera lens on imaging surface.

Understand that the optical imaging lens given by embodiment 3 can realize good image quality according to Fig. 6 A to Fig. 6 D.

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 representation of the optical imaging lens of the embodiment of the present application 4.

As shown in fig. 7, optical imaging lens along optical axis from thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each in embodiment 4 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 12 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 4, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 10

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.8632E-01

-2.9331E-01

3.5974E-01

-3.7705E-01

2.5799E-01

-1.0672E- 01

2.5924E-02

-3.4155E- 03

1.8884E-04

S2

7.7461E-02

-2.5711E-01

2.1707E-01

-1.8666E-01

2.0177E-01

-1.3537E- 01

4.8280E-02

-8.6585E- 03

6.1861E-04

S3

-6.9115E-04

1.0838E-01

-6.0120E-01

8.9231E-01

-6.0126E- 01

2.0728E-01

-3.7240E-02

3.7386E-03

-2.6584E- 04

S4

-4.0539E-02

4.1006E-02

-2.5235E-01

4.9095E-01

-4.7214E- 01

2.5221E-01

-7.5903E-02

1.2046E-02

-7.8492E- 04

S5

-6.0029E-02

2.4474E-01

-8.5382E-01

1.5508E+00

-1.6673E+ 00

1.0639E+00

-3.7930E-01

6.5726E-02

-3.7132E- 03

S6

8.3281E-02

-1.7535E-01

6.1009E-01

-1.4548E+00

2.0782E+00

-1.8079E+ 00

9.3857E-01

-2.6425E- 01

3.0831E-02

S7

-7.8682E-02

1.5610E-01

-3.8162E-01

6.4906E-01

-6.7369E- 01

4.2080E-01

-1.5437E-01

3.0577E-02

-2.5201E- 03

S8

-1.2304E-01

1.5962E-01

-4.1644E-01

6.4630E-01

-5.8930E- 01

3.2611E-01

-1.0682E-01

1.9026E-02

-1.4210E- 03

S9

8.0908E-03

1.4675E-01

-4.2248E-01

5.3021E-01

-4.2066E- 01

2.1400E-01

-6.7231E-02

1.1840E-02

-8.8983E- 04

S10

6.1535E-02

-8.5396E-02

7.2669E-02

-6.6558E-02

3.6571E-02

-1.1123E- 02

1.8816E-03

-1.6667E- 04

6.0429E-06

S11

2.0537E-01

-4.0422E-01

3.4685E-01

-1.9550E-01

6.7731E-02

-1.3097E- 02

1.1892E-03

-1.7488E- 05

-2.7071E- 06

S12

1.4149E-01

-2.2673E-01

1.5033E-01

-6.3409E-02

1.7538E-02

-3.0786E- 03

3.2642E-04

-1.8961E- 05

4.6163E-07

S13

-2.1943E-01

1.0847E-01

-3.7247E-02

1.0243E-02

-2.0475E- 03

2.7125E-04

-2.2240E-05

1.0170E-06

-1.9776E- 08

S14

-1.4665E-01

7.8921E-02

-2.9419E-02

7.3430E-03

-1.2115E- 03

1.2861E-04

-8.3860E-06

3.0404E-07

-4.6707E- 09

Table 11

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	34.31	3.47	-7.03	-665.66	11.83
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-14.37	-120.86	3.89	5.23	3.50

Table 12

Fig. 8 A show chromatic curve on the axle of the optical imaging lens of embodiment 4, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Fig. 8 B show the astigmatism curve of the optical imaging lens of embodiment 4, and it represents meridian picture Face is bent and sagittal image surface bending.Fig. 8 C show the distortion curve of the optical imaging lens of embodiment 4, and it represents different visual angles In the case of distortion sizes values.Fig. 8 D show the ratio chromatism, curve of the optical imaging lens of embodiment 4, and it represents light warp The deviation of different image heights after camera lens on imaging surface.Understood according to Fig. 8 A to Fig. 8 D, optics given by embodiment 4 into As camera lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 5.

As shown in figure 9, optical imaging lens along optical axis from thing side to sequentially including the first lens E1 into image side, it is second saturating Mirror E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics into Imaging surface S17 photo-sensitive cell is arranged at as camera lens may also include.

6th lens E6 has negative power, and its thing side S11 is concave surface, and image side surface S12 is concave surface, and the 6th lens E6 thing side S11 and image side surface S12 is aspherical.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each in embodiment 5 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 15 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 5, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 13

Table 14

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	12.97	4.23	-6.19	125.01	4.97
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-23.89	-4.84	3.77	5.11	3.24

Table 15

Figure 10 A show chromatic curve on the axle of the optical imaging lens of embodiment 5, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 10 B show the astigmatism curve of the optical imaging lens of embodiment 5, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 10 C show the distortion curve of the optical imaging lens of embodiment 5, and it represents different Distortion sizes values in the case of visual angle.Figure 10 D show the ratio chromatism, curve of the optical imaging lens of embodiment 5, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 10 A to Figure 10 D, given by embodiment 5 Optical imaging lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 6.

As shown in figure 11, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each in embodiment 6 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 18 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 6, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 16

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

1.9993E-01

-3.5970E-01

6.3875E-01

-1.1173E+00

1.5557E+00

-1.5670E+ 00

1.0278E+00

-3.8378E- 01

6.1344E-02

S2

3.0611E-03

-1.3098E-01

1.4136E-01

-1.5461E-01

2.1269E-01

-2.1545E- 01

1.4684E-01

-5.9606E- 02

1.0380E-02

S3

-7.2882E-03

-9.7942E-02

2.0214E-02

1.9029E-01

-3.6293E- 01

4.7797E-01

-3.9855E- 01

1.7523E-01

-3.1126E-02

S4

-8.5963E-03

-1.2802E-01

1.7279E-01

-7.9144E-02

-2.9720E- 02

6.2454E-02

-4.9273E- 02

2.4426E-02

-5.4507E-03

S5

1.5950E-04

-1.5849E-01

2.4554E-01

-2.3837E-01

2.0766E-01

-2.2236E- 01

1.9261E-01

-8.7381E- 02

1.5198E-02

S6

9.4168E-02

-1.3971E-01

1.5609E-01

-6.9295E-02

-1.0420E- 01

2.1940E-01

-1.7424E- 01

6.9183E-02

-1.1236E-02

S7

-5.1204E-02

7.6569E-02

-1.7396E-01

3.0900E-01

-3.6252E- 01

2.7220E-01

-1.2697E- 01

3.3765E-02

-3.9280E-03

S8

-8.5519E-02

8.7705E-03

1.6182E-02

-4.0450E-02

6.6374E-02

-6.4766E- 02

3.6578E-02

-1.0978E- 02

1.3676E-03

S9

3.1327E-02

-9.4393E-02

4.4070E-02

2.3990E-02

-6.9875E- 02

5.8303E-02

-2.5278E- 02

5.7492E-03

-5.3514E-04

S10

1.4141E-01

-2.1812E-01

1.7250E-01

-9.0983E-02

2.2676E-02

1.9014E-03

-2.6705E- 03

6.2727E-04

-5.1081E-05

S11

1.7362E-01

-2.5720E-01

2.0271E-01

-1.3211E-01

6.0964E-02

-1.7614E- 02

3.0213E-03

-2.8571E- 04

1.1755E-05

S12

1.1254E-01

-1.0595E-01

3.5253E-02

-5.3033E-03

3.5232E-04

-5.7648E- 05

1.9369E-05

-2.5774E- 06

1.1741E-07

S13

-1.7409E-01

5.2651E-02

3.8380E-03

-7.9804E-03

2.8088E-03

-5.1365E- 04

5.3426E-05

-2.9970E- 06

7.0571E-08

S14

-1.2148E-01

5.1575E-02

-1.2156E-02

-2.7660E-04

1.2555E-03

-4.0285E- 04

6.0327E-05

-4.4455E- 06

1.2950E-07

Table 17

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	11.30	4.38	-6.22	158.81	6.44
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-14.86	-12.09	3.58	4.92	2.84

Table 18

Figure 12 A show chromatic curve on the axle of the optical imaging lens of embodiment 6, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 12 B show the astigmatism curve of the optical imaging lens of embodiment 6, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 12 C show the distortion curve of the optical imaging lens of embodiment 6, and it represents different Distortion sizes values in the case of visual angle.Figure 12 D show the ratio chromatism, curve of the optical imaging lens of embodiment 6, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 12 A to Figure 12 D, given by embodiment 6 Optical imaging lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 7.

As shown in figure 13, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 20 is shown available for each in embodiment 7 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 21 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 7, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 19

Table 20

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	34.31	3.47	-7.03	470.80	11.83
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-14.37	303.13	3.78	5.23	3.50

Table 21

Figure 14 A show chromatic curve on the axle of the optical imaging lens of embodiment 7, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 14 B show the astigmatism curve of the optical imaging lens of embodiment 7, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 14 C show the distortion curve of the optical imaging lens of embodiment 7, and it represents different Distortion sizes values in the case of visual angle.Figure 14 D show the ratio chromatism, curve of the optical imaging lens of embodiment 7, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 14 A to Figure 14 D, given by embodiment 7 Optical imaging lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 8.

As shown in figure 15, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.

First lens E1 has negative power, and its thing side S1 is convex surface, and image side surface S2 is concave surface, and the first lens E1 Thing side S1 and image side surface S2 be aspherical.

5th lens E5 has positive light coke, and its thing side S9 is concave surface, and image side surface S10 is convex surface, and the 5th lens E5 thing side S9 and image side surface S10 is aspherical.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 23 is shown available for each in embodiment 8 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 24 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 8, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 22

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

4.5013E-02

-6.3688E-02

2.5611E-02

-4.1146E-03

-1.4721E- 04

1.4748E-04

-2.0968E- 05

1.2757E-06

-2.9347E- 08

S2

3.1166E-02

-1.3499E-01

1.0770E-01

-2.9000E-02

6.3323E-05

1.4169E-03

-2.6845E- 04

1.8649E-05

-3.7109E- 07

S3

5.4105E-02

-5.7798E-02

7.8886E-03

5.7855E-02

-5.2007E- 02

1.9624E-02

-3.7941E- 03

3.7069E-04

-1.4544E- 05

S4

5.6369E-02

-1.5348E-01

1.4054E-01

-8.3005E-02

3.4520E-02

-9.5868E-03

1.6446E-03

-1.5580E- 04

6.2024E-06

S5

2.2412E-02

-9.7214E-02

8.1816E-02

-3.3340E-02

7.8482E-03

-1.1198E-03

9.5517E-05

-4.4805E- 06

8.8898E-08

S6

2.5401E-02

1.3080E-02

-5.2988E-02

2.0202E-01

-3.9013E- 01

4.2961E-01

-2.6739E- 01

8.7764E-02

-1.1742E- 02

S7

-3.1683E-02

-3.8679E-02

3.4634E-02

-4.0066E-02

2.8480E-02

-1.0037E-02

1.8306E-03

-1.6676E- 04

5.9909E-06

S8

-9.8096E-02

1.3515E-01

-2.7581E-01

3.0493E-01

-2.3238E- 01

1.2770E-01

-4.7779E- 02

1.0452E-02

-9.7345E- 04

S9

-2.6091E-01

5.4905E-01

-7.3398E-01

5.7201E-01

-2.5985E- 01

6.8810E-02

-1.0418E- 02

8.3130E-04

-2.6884E- 05

S10

-2.6742E-01

4.4775E-01

-5.0673E-01

3.6376E-01

-1.5474E- 01

3.9129E-02

-5.7895E- 03

4.6334E-04

-1.5496E- 05

S11

3.1156E-01

-4.5962E-01

3.6559E-01

-2.5291E-01

1.4794E-01

-6.1661E-02

1.5659E-02

-2.1150E- 03

1.1577E-04

S12

3.8895E-01

-5.1887E-01

3.3869E-01

-1.3662E-01

3.4880E-02

-5.5882E-03

5.4227E-04

-2.9064E- 05

6.5952E-07

S13

-2.3808E-01

5.3927E-02

7.5094E-03

-5.3115E-03

1.0490E-03

-1.0869E-04

6.3444E-06

-1.9704E- 07

2.5330E-09

S14

-1.6234E-01

6.4894E-02

-1.7276E-02

2.9212E-03

-3.0158E- 04

1.8922E-05

-7.0272E- 07

1.4169E-08

-1.1931E- 10

Table 23

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	-82.18	3.20	-6.72	-3313.30	7.06
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	16.02	-5.49	3.75	5.00	3.50

Table 24

Figure 16 A show chromatic curve on the axle of the optical imaging lens of embodiment 8, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 16 B show the astigmatism curve of the optical imaging lens of embodiment 8, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 16 C show the distortion curve of the optical imaging lens of embodiment 8, and it represents different Distortion sizes values in the case of visual angle.Figure 16 D show the ratio chromatism, curve of the optical imaging lens of embodiment 8, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 16 A to Figure 16 D, given by embodiment 8 Optical imaging lens can realize 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 root According to the structural representation of the optical imaging lens of the embodiment of the present application 9.

As shown in figure 17, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 26 is shown available for each in embodiment 9 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 27 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 9, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 25

Table 26

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	71.02	3.45	-6.18	16.69	5.45
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	-77.47	-4.51	3.82	5.00	3.50

Table 27

Figure 18 A show chromatic curve on the axle of the optical imaging lens of embodiment 9, and it represents the light warp of different wave length Deviateed by the converging focal point after camera lens.Figure 18 B show the astigmatism curve of the optical imaging lens of embodiment 9, and it represents meridian Curvature of the image and sagittal image surface bending.Figure 18 C show the distortion curve of the optical imaging lens of embodiment 9, and it represents different Distortion sizes values in the case of visual angle.Figure 18 D show the ratio chromatism, curve of the optical imaging lens of embodiment 9, and it is represented Light via the different image heights after camera lens on imaging surface deviation.Understood according to Figure 18 A to Figure 18 D, given by embodiment 9 Optical imaging lens can realize 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 representation of the optical imaging lens of the embodiment of the present application 10.

As shown in figure 19, optical imaging lens sequentially include the first lens E1, second along optical axis from thing side into image side Lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, the 6th lens E6, the 7th lens E7 and imaging surface S17.Optics Imaging lens may also include the photo-sensitive cell for being arranged at imaging surface S17.

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, the unit of radius of curvature and thickness is millimeter (mm).Table 29 is shown available for each in embodiment 10 The high order term coefficient of aspherical mirror.Wherein, the formula (1) that each aspherical face type can be provided in above-described embodiment 1 is limited.Table 30 show total effective Jiao of the effective focal length f1 to f7 of each lens in the optical imaging lens of embodiment 10, optical imaging lens Valid pixel away from photo-sensitive cell on f, the optics total length TTL of optical imaging lens and optical imaging lens imaging surface S17 The half ImgH of region diagonal line length.

Table 28

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

8.6935E-02

-9.8380E-02

4.5177E-02

-1.0807E-02

1.4817E-03

-1.2059E-04

5.7401E-06

-1.4688E- 07

1.5501E-09

S2

1.7746E-02

-8.4082E-02

-6.3983E-03

1.0307E-01

-8.1964E- 02

2.9594E-02

-5.6358E- 03

5.4967E-04

-2.1654E- 05

S3

1.8309E-02

5.5991E-03

-1.1457E-01

2.0171E-01

-1.4360E- 01

5.2169E-02

-1.0271E- 02

1.0463E-03

-4.3312E- 05

S4

8.9517E-02

-1.7614E-01

1.2395E-01

-4.0940E-02

4.0392E-03

1.3777E-03

-4.8571E- 04

5.8427E-05

-2.5608E- 06

S5

3.3970E-02

-1.1597E-01

8.6787E-02

-3.1478E-02

6.6343E-03

-8.5712E-04

6.7138E-05

-2.9336E- 06

5.4932E-08

S6

2.8942E-02

2.6144E-02

-1.1536E-01

3.2536E-01

-5.3698E- 01

5.3570E-01

-3.1219E- 01

9.8049E-02

-1.2757E- 02

S7

-5.0756E-02

-2.4355E-02

4.8643E-02

-5.8499E-02

3.1444E-02

-8.2362E-03

1.0779E-03

-6.2671E- 05

9.4821E-07

S8

-4.8010E-02

-1.8409E-02

3.2692E-02

-7.5843E-02

9.4094E-02

-6.9564E-02

2.9450E-02

-6.4553E- 03

5.6657E-04

S9

1.6411E-02

-2.2462E-03

-1.9730E-02

8.0390E-03

-1.3967E- 03

1.3081E-04

-6.9097E- 06

1.9435E-07

-2.2686E- 09

S10

-9.3351E-02

1.8324E-01

-2.1227E-01

1.4141E-01

-5.5732E- 02

1.3336E-02

-1.8987E- 03

1.4762E-04

-4.8161E- 06

S11

1.0367E-01

-2.0302E-01

1.4738E-01

-1.0652E-01

5.8248E-02

-1.9915E-02

3.9445E-03

-4.1239E- 04

1.7577E-05

S12

1.2542E-01

-1.9200E-01

1.0230E-01

-3.3192E-02

7.2886E-03

-1.0671E-03

9.7406E-05

-4.9406E- 06

1.0566E-07

S13

-4.0421E-01

1.9956E-01

-3.3255E-02

-5.4559E-03

3.5807E-03

-7.2018E-04

7.4329E-05

-3.9450E- 06

8.5153E-08

S14

-2.2689E-01

1.2233E-01

-4.0858E-02

8.8829E-03

-1.2644E- 03

1.1201E-04

-5.8498E- 06

1.6393E-07

-1.8961E- 09

Table 29

Parameter	f1(mm)	f2(mm)	f3(mm)	f4(mm)	f5(mm)
						Numerical value	80.65	3.42	-6.27	17.88	7.59
Parameter	f6(mm)	f7(mm)	f(mm)	TTL(mm)	ImgH(mm)
						Numerical value	47.76	-4.61	3.88	5.00	3.65

Table 30

Figure 20 A show chromatic curve on the axle of the optical imaging lens of embodiment 10, and it represents the light of different wave length Deviate via the converging focal point after camera lens.Figure 20 B show the astigmatism curve of the optical imaging lens of embodiment 10, and it represents son Noon curvature of the image and sagittal image surface bending.Figure 20 C show the distortion curve of the optical imaging lens of embodiment 10, and it is represented not With the distortion sizes values in the case of visual angle.Figure 20 D show the ratio chromatism, curve of the optical imaging lens of embodiment 10, its table Show deviation of the light via the different image heights after camera lens on imaging surface.Understood according to Figure 20 A to Figure 20 D, the institute of embodiment 10 The optical imaging lens provided can realize good image quality.

To sum up, embodiment 1 to embodiment 10 meets the relation shown in table 3 below 1 respectively.

Conditional embodiment	1	2	3	4	5	6	7	8	9	10
											f2/\|f1\|	0.31	0.10	0.18	0.10	0.33	0.39	0.10	0.04	0.05	0.04
\|(R9-R12)/(R9+R12)\|	0.07	0.13	0.31	0.13	0.75	0.16	0.13	1.20	1.60	1.45
											(CT4+CT5+CT6)/3	0.30	0.37	0.37	0.39	0.45	0.40	0.39	0.36	0.41	0.38
f/\|f4\|	0.02	0.01	0.02	0.01	0.03	0.02	0.01	0.001	0.23	0.22
											\|f/f5\|+\|f/f6\|	0.44	0.59	0.57	0.60	0.92	0.80	0.58	0.76	0.75	0.59
ET4/CT4	0.81	0.71	0.69	0.71	0.67	0.67	0.71	0.47	0.51	0.48
											R2/R3	0.92	0.92	0.89	0.92	0.94	0.94	0.92	0.88	0.91	0.95
R3/R4	-0.35	-0.14	-0.18	-0.14	-0.21	-0.21	-0.14	-0.13	-0.11	-0.10
											R6/R5	0.22	0.33	0.32	0.33	0.30	0.30	0.33	0.25	0.28	0.29
f/f3	-0.82	-0.55	-0.56	-0.55	-0.61	-0.58	-0.54	-0.56	-0.62	-0.62
											f/\|f7\|	0.47	0.03	0.03	0.03	0.78	0.30	0.01	0.68	0.85	0.84
R7/R8	1.08	0.99	1.10	1.04	0.80	0.92	0.99	1.02	0.32	0.32
											TTL/ImgH	1.84	1.54	1.47	1.49	1.58	1.73	1.49	1.43	1.43	1.37

Table 31

The application also provides a kind of imaging device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Imaging device can be such as digital camera independent picture pick-up device or It is integrated in the image-forming module 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.People in the art Member should be appreciated that invention scope involved in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic Scheme, while should also cover in the case where not departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature Other technical schemes formed by any combination.Such as features described above has similar work(with (but not limited to) disclosed herein The technical characteristic of energy carries out technical scheme formed by replacement mutually.

Claims

1. optical imaging lens, are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, Four lens, the 5th lens, the 6th lens and the 7th lens, it is characterised in that

First lens, the 4th lens and the 5th lens are respectively provided with positive light coke or negative power；

Second lens have positive light coke；

3rd lens have negative power；

At least one in 6th lens and the 7th lens has negative power,

Wherein, the effective focal length f1 of first lens and second lens effective focal length f2 meet f2/ | f1 | ＜ 0.5.

2. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens F and the 3rd lens effective focal length f3 meet -1.0 ＜ f/f3≤- 0.5.

3. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens F and the 4th lens effective focal length f4 meet f/ | f4 |≤0.5.

4. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens F, the effective focal length f5 of the 5th lens and the 6th lens effective focal length f6 satisfactions 0.4≤| f/f5 |+| f/f6 | ≤1.0。

5. optical imaging lens according to claim 1, it is characterised in that total effective focal length of the optical imaging lens F and the 7th lens effective focal length f7 meet f/ | f7 | ＜ 1.0.

6. optical imaging lens according to any one of claim 1 to 5, it is characterised in that (CT4+CT5+CT6)/3≤ 0.5,

Wherein, CT4 is the 4th lens in the center thickness on the optical axis；

CT5 is the 5th lens in the center thickness on the optical axis；And

CT6 is the 6th lens in the center thickness on the optical axis.

7. optical imaging lens according to any one of claim 1 to 5, it is characterised in that the 4th lens are most Edge thickness ET4 at large radius meets 0.4 ＜ ET4/CT4 with the 4th lens in the center thickness CT4 on the optical axis ＜ 1.0.

8. optical imaging lens according to any one of claim 1 to 5, it is characterised in that the thing of first lens Side is convex surface.

9. optical imaging lens according to claim 8, it is characterised in that the image side surface of the 4th lens is concave surface.

10. optical imaging lens according to claim 9, it is characterised in that the image side surface of the 6th lens is concave surface.

11. optical imaging lens according to claim 10, it is characterised in that the curvature of the image side surface of first lens Radius R2 and the radius of curvature R 3 of the thing side of second lens meet 0.8≤R2/R3≤1.0.

12. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of second lens Radius R3 and the image side surface of second lens radius of curvature R 4 meet -0.5≤R3/R4≤0.

13. optical imaging lens according to claim 10, it is characterised in that the curvature of the image side surface of the 3rd lens Radius R6 and the radius of curvature R 5 of the thing side of the 3rd lens meet 0 ＜ R6/R5 ＜ 0.5.

14. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of the 4th lens Radius R7 and the image side surface of the 4th lens radius of curvature R 8 meet 0 ＜ R7/R8 ＜ 1.5.

15. optical imaging lens according to claim 10, it is characterised in that the curvature of the thing side of the 5th lens Radius R9 and the image side surface of the 6th lens radius of curvature R 12 are met | (R9-R12)/(R9+R12) |≤2.0.

16. the optical imaging lens according to any one of claim 9 to 15, it is characterised in that TTL/ImgH≤1.85,

Wherein, TTL for first lens thing side to the optical imaging lens imaging surface on the optical axis away from From,

ImgH is the half of the effective pixel area diagonal line length of the photo-sensitive cell on the imaging surface of the optical imaging lens.

17. optical imaging lens, are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, 4th lens, the 5th lens, the 6th lens and at least one subsequent lens, it is characterised in that

At least one in first lens, the 4th lens and the 5th lens has positive light coke；

Second lens have positive light coke；

3rd lens have negative power；

6th lens have positive light coke or negative power,

Wherein, the 4th lens in the center thickness CT4 on the optical axis, the 5th lens in the center on the optical axis Thickness CT5 and the 6th lens meet (CT4+CT5+CT6)/3≤0.5 in the center thickness CT6 on the optical axis.

18. optical imaging lens, are sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, 4th lens, the 5th lens, the 6th lens and the 7th lens, it is characterised in that

The thing side of first lens is convex surface；

The radius of curvature R 4 of the image side surface of the radius of curvature R 3 of the thing side of second lens and second lens meets- 0.5≤R3/R4≤0；

The radius of curvature R 5 of the thing side of 3rd lens and the radius of curvature R 6 of the image side surface of the 3rd lens meet 0 ＜ R6/R5 ＜ 0.5；

The image side surface of 4th lens and the 6th lens is concave surface；

At least one in the thing side of 5th lens and image side surface is convex surface；And

At least one in the thing side of 7th lens and image side surface is concave surface.