CN206115009U - Camera lens and electronic equipment - Google Patents

Abstract

The utility model provides a camera lens and electronic equipment, include that the same optical axis accessory things in edge inclines like first lens to the 5th lens that incline and set gradually, and, camera lens satisfies following relational expression: 1.3< TTLImgh< 1.5 0.7< | ff2|< 0.8 0.4< | ff3|+|ff4|< 0.75 3.2< R10f< 30, 0.91 <= (R9+R10) (R9 R10, ) < 0 to can satisfy under the prerequisite of high pixel through the parameter that rationally sets up each lens, reducing camera lens's overall length, with the requirement of satisfying the camera lens and electronic equipment miniaturation.

Description

A kind of pick-up lenss and electronic equipment

Technical field

This utility model is related to pick-up lenss technical field, more particularly, it relates to a kind of pick-up lenss and electronic equipment.

Background technology

As the development of semiconductor technology, the pixel elemental area of photo-sensitive cell are less and less, the pixel of pick-up lenss is also got over Come higher.But, the raising of pick-up lenss pixel cannot still meet increasingly increase of the people to pick-up lenss image quality requirement, This image quality for necessarily increasing more lens elements to improve pick-up lenss of making use of momentum.But, the increase of lens element is again The height of pick-up lenss can be caused to increase, the demand lightening so as to personal electric product cannot be met.Based on this, how rationally The parameter of the structure and pick-up lenss interior lens of ground design pick-up lenss, on the premise of high pixel is met, meets shooting Camera lens and the requirement of electronic equipment miniaturization, have become one of those skilled in the art's technical problem urgently to be resolved hurrily.

Utility model content

In view of this, this utility model provides a kind of pick-up lenss and electronic equipment, with the premise for meeting high pixel Under, meet the requirement of pick-up lenss and electronic equipment miniaturization.

For achieving the above object, this utility model provides following technical scheme：

A kind of pick-up lenss, including the first lens for being set gradually along same optical axis from the object side to image side to the 5th lens；

First lens have a positive refracting power, and the thing side of first lens in paraxial place be convex surface：

Second lens have a negative refracting power, and the image side surface of second lens in paraxial place be concave surface；

3rd lens have a positive refracting power, the thing side of the 3rd lens in paraxial place be concave surface, image side surface in Paraxial place is convex surface；

4th lens have a negative refracting power, and the thing side of the 4th lens in paraxial place be concave surface；

5th lens have a positive refracting power, the thing side of the 5th lens in paraxial place be convex surface, image side surface in Paraxial place is concave surface, and the thing side and at least one of image side surface surface of the 5th lens are provided with least one contrary flexure Point；

The pick-up lenss also include aperture, and the aperture is arranged between object and first lens, or, it is described Aperture is arranged between object and second lens；

Also, the pick-up lenss meet following relational expression：

1.3<TTL/I_mgh<1.5；0.7<|f/f₂|<0.8；

0.4<|f/f₃|+|f/f₄|<0.75；3.2<R₁₀/f<30；-0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0；

Wherein, TTL is the overall length of the pick-up lenss, I_mghFor the maximum image height of the pick-up lenss, f is the shooting The effective focal length of camera lens, f₂For the focal length of second lens, f₃For the focal length of the 3rd lens, f₄For the 4th lens Focal length, R₉For the radius of curvature of the thing side of the 4th lens, R₁₀For the radius of curvature of the image side surface of the 4th lens.

Preferably, the pick-up lenss also meet relational expression：-8<f₃/f₂<-3。

Preferably, the pick-up lenss also meet relational expression：0.7<R₆/f<0.85；

Wherein, R₆For the radius of curvature of the image side surface of second lens.

Preferably, the pick-up lenss also meet relational expression：

-0.4<R₁₂/R₈<-0.1；

Wherein, R₈For the radius of curvature of the image side surface of the 3rd lens, R₁₂For the song of the image side surface of the 5th lens Rate radius.

Preferably, the pick-up lenss also meet relational expression：

1.2<CT₅/CT₄<1.5；0.6<TD/(2*SD₅₂)<0.8；

Wherein, CT₄For thickness of the 4th lens on optical axis, CT₅For thickness of the 5th lens on optical axis, TD is distance of the image side surface of the thing side to the 5th lens of first lens on optical axis, SD₅₂It is saturating for the described 5th Vertical dimension of the maximum effective radius position of the image side surface of mirror on optical axis.

Preferably, the pick-up lenss also meet relational expression：

0.9<SAG₁₁/EF₁<1.6；0.4<|Drls|/CT₁<1.1；

Wherein, SAG₁₁For first lens intersection point of the thing side on optical axis to the first lens thing side and picture The maximum of side effectively horizontal displacement distance of the path position on optical axis, EF₁For between the first lens thing side and image side surface Parallel to minimum horizontal distance on the non-axle of optical axis, Drls be the first lens thing side to the aperture on optical axis away from From CT₁For thickness of first lens on optical axis.

Preferably, the pick-up lenss also meet relational expression：

1.6<TD/EPD<2.0；

Wherein, TD is distance of the image side surface of the thing side to the 5th lens of first lens on optical axis, EPD For the Entry pupil diameters of the pick-up lenss.

Preferably, the pick-up lenss also meet relational expression：

V₃-V₄>30；

Wherein, V3 is the abbe number of the 3rd lens, and V4 is the abbe number of the 4th lens.

Preferably, the pick-up lenss also include the infrared fileter positioned at the image side of the 5th lens.

A kind of electronic equipment, including the pick-up lenss described in as above any one.

Compared with prior art, technical scheme provided by the utility model has advantages below：

Pick-up lenss provided by the utility model and electronic equipment, including being set successively along same optical axis from the object side to image side The first lens put are to the 5th lens, also, the pick-up lenss meet relational expression：1.3<TTL/I_mgh<1.5；0.7<|f/f₂|< 0.8；0.4<|f/f₃|+|f/f₄|<0.75,3.2<R₁₀/f<30, -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0, such that it is able to pass through The parameter of each lens is reasonably set, on the premise of high pixel is met, reduces the overall length of pick-up lenss, to meet camera lens Head and the requirement of electronic equipment miniaturization.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing for providing.

Structural representations of the Fig. 1 for pick-up lenss disclosed in this utility model embodiment one；

Fig. 2 is the curvature of field of pick-up lenss disclosed in this utility model embodiment one and distortion curve figure；

Spherical aberration curve charts of the Fig. 3 for pick-up lenss disclosed in this utility model embodiment one；

Structural representations of the Fig. 4 for pick-up lenss disclosed in this utility model embodiment two；

Fig. 5 is the curvature of field of pick-up lenss disclosed in this utility model embodiment two and distortion curve figure；

Spherical aberration curve charts of the Fig. 6 for pick-up lenss disclosed in this utility model embodiment two；

Structural representations of the Fig. 7 for pick-up lenss disclosed in this utility model embodiment three；

Fig. 8 is the curvature of field of pick-up lenss disclosed in this utility model embodiment three and distortion curve figure；

Spherical aberration curve charts of the Fig. 9 for pick-up lenss disclosed in this utility model embodiment three；

Structural representations of the Figure 10 for pick-up lenss disclosed in this utility model embodiment four；

Figure 11 is the curvature of field of pick-up lenss disclosed in this utility model embodiment four and distortion curve figure；

Spherical aberration curve charts of the Figure 12 for pick-up lenss disclosed in this utility model embodiment four；

Structural representations of the Figure 13 for pick-up lenss disclosed in this utility model embodiment five；

Figure 14 is the curvature of field of pick-up lenss disclosed in this utility model embodiment five and distortion curve figure；

Spherical aberration curve charts of the Figure 15 for pick-up lenss disclosed in this utility model embodiment five；

Structural representations of the Figure 16 for pick-up lenss disclosed in this utility model embodiment six；

Figure 17 is the curvature of field of pick-up lenss disclosed in this utility model embodiment six and distortion curve figure；

Spherical aberration curve charts of the Figure 18 for pick-up lenss disclosed in this utility model embodiment six.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

This utility model embodiment discloses a kind of pick-up lenss, and the pick-up lenss can be applicable to the optical system of zoom In, for example, can be applicable to the electronic equipments such as 3D image capturings, digital camera, mobile device, digital flat panel and head-wearing type equipment In.

With reference to Fig. 1, the pick-up lenss that this utility model embodiment is provided are included along same optical axis from the object side to image side successively First lens 11 of setting, the second lens 12, the 3rd lens 13, the 4th lens 14, the 5th lens 15, aperture 16, infrared filtering Piece 17 and photo-sensitive cell 18, the photo-sensitive cell 18 are located at the image side of optical filter 17, and the photo-sensitive cell is used to sense subject It is reflected into the light of pick-up lenss and forms corresponding image.

In the present embodiment, aperture 16 can be preposition aperture, alternatively in put aperture.Wherein, preposition aperture refers to aperture 16 Be arranged between object and the first lens 11, in put aperture and refer to that aperture 16 is arranged between object and the second lens 12. By the rational position for arranging aperture 16, can effectively shorten the optics total length of pick-up lenss.In addition, take the photograph at this As in camera lens, when aperture 16 is arranged closer to the second lens 12, then more contribute to expanding the angle of visual field of pick-up lenss, contribute to Distortion and the amendment of ratio chromatism, and can effectively reduce the sensitivity of the pick-up lenss.

Specifically, the first lens 11 in the present embodiment have positive refracting power, it is possible to provide needed for pick-up lenss optical system Positive refracting power, and the thing side of the first lens 11 in paraxial place be convex surface, contribute to shorten pick-up lenss optical system it is total Length；Second lens 12 have negative refracting power, are conducive to correcting the aberration produced by the first lens 11, and the second lens 12 Image side surface in paraxial place be concave surface；3rd lens 13 have positive refracting power, contribute to reducing the quick of pick-up lenss optical system Sensitivity, and the thing side of the 3rd lens 13 in paraxial place be concave surface, image side surface in paraxial place be convex surface, can effectively correct shooting The astigmatism of lens optical system；4th lens 14 have a negative refracting power, and the thing side of the 4th lens 14 in paraxial place be concave surface, Its thing side and image side surface are aspheric surface, contribute to strengthening amendment aberration, and can suppress the light of off-axis visual field inciding sense Angle on optical element, to increase the receiving efficiency of photo-sensitive cell；5th lens 15 have positive refracting power, the thing of the 5th lens 15 Side in paraxial place be convex surface, image side surface in paraxial place be concave surface, can help to strengthen astigmatism amendment, the thing of the 5th lens 15 Side and image side surface are aspheric surface, and the thing side and at least one of image side surface surface of the 5th lens 15 are provided with least One point of inflexion, can effective modified off-axis aberration.Further, since the image side surface of the 5th lens 15 is concave surface, therefore, shooting can be made Lens optical system principal point away from imaging surface, to shorten the total length of pick-up lenss optical system.

In the present embodiment, pick-up lenss meet following relational expression：

1.3<TTL/I_mgh<1.5；0.7<|f/f₂|<0.8；

0.4<|f/f₃|+|f/f₄|<0.75；3.2<R₁₀/f<30；-0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0；

Wherein, TTL is the overall length of the pick-up lenss, I_mghFor the maximum image height of the pick-up lenss, f is the shooting The effective focal length of camera lens, f₂For the focal length of second lens, f₃For the focal length of the 3rd lens, f₄For the 4th lens Focal length, R₉For the radius of curvature of the thing side of the 4th lens, R₁₀For the radius of curvature of the image side surface of the 4th lens. Based on this, the present embodiment can pass through reasonably to arrange the parameter of 11 to the 5th lens 15 of the first lens, realize it is a kind of with into The big pick-up lenss of image sharpness height, small volume, the angle of visual field.

Wherein, the pick-up lenss in the present embodiment meet relational expression 3.2<R₁₀/f<30, contribute to by adjusting the 4th lens The degree of crook of 14 image side surfaces is reconciling the marginal aberration of pick-up lenss optical system, while shorten the total length of optical system, Preferably, the pick-up lenss meet relationship below：25<R₁₀/f<30；Meet relational expression 0.7<|f/f₂|<0.8, can help to Correct the aberration produced by the first lens 11；Meet relational expression 1.3<TTL/I_mgh<1.5, contribute to maintaining pick-up lenss optical system The miniaturization of system, to be equipped on frivolous portable electronic product；Meet relational expression 0.4<|f/f₃|+|f/f₄|<0.75, can So that refracting power configuration is more balanced, the sensitivity of optical system is advantageously reduced, maintain the miniaturization of optical system；Meet and close It is -0.91≤(R of formula₉+R₁₀)/(R₉-R₁₀)<0, contribute to maintaining optical system to reduce spherical aberration while miniaturization.

Further, the pick-up lenss in the present embodiment also meet relational expression：

-8<f₃/f₂<-3；-0.4<R₁₂/R₈<-0.1；0.7<R₆/f<0.85；1.2<CT₅/CT₄<1.5；0.6<TD/(2* SD₅₂)<0.8；0.9<SAG₁₁/EF₁<1.6；0.4<|Drls|/CT₁<1.1；

1.6<TD/EPD<2.0；V₃-V₄>30；

Wherein, R₆For the radius of curvature of the image side surface of second lens, R₈For the curvature of the image side surface of the 3rd lens Radius, R₁₂For the radius of curvature of the image side surface of the 5th lens, CT₄For thickness of the 4th lens on optical axis, CT₅For Thickness of 5th lens on optical axis, TD are the image side surface of the thing side to the 5th lens of first lens in light Distance on axle, SD₅₂For the vertical dimension of the maximum effective radius position on optical axis of the image side surface of the 5th lens, SAG₁₁Maximum of intersection point of the thing side on optical axis to the first lens thing side with image side surface for first lens has Effect horizontal displacement distance of the path position on optical axis, EF₁For between the first lens thing side and image side surface parallel to optical axis Minimum horizontal distance on non-axle, Drls is distance of the first lens thing side to the aperture on optical axis, CT₁For described Thickness of first lens on optical axis, EPD are the Entry pupil diameters of the pick-up lenss, and V3 is the dispersion system of the 3rd lens Number, V4 is the abbe number of the 4th lens.

In the present embodiment, pick-up lenss meet relational expression 1.2<CT₅/CT₄<1.5, thickness configuration can be made more to balance, kept away Exempt from eyeglass molding bad, improve production；Meet relational expression -8<f₃/f₂<- 3, refracting power configuration can be made more to balance, favorably In the sensitivity for reducing pick-up lenss optical system, the miniaturization of optical system is maintained；Meet relational expression 0.6<TD/(2*SD₅₂)< 0.8, contribute to reducing the space needed for eyeglass assembling so that its configuration is more tight；Meet relational expression -0.4<R₁₂/R₈<- 0.1, can effectively correct Petzval sum；Meet relation Formula V₃-V₄>30, can effectively correct optical system aberration；Meet relational expression 0.9<SAG₁₁/EF₁<1.6, can be under the configuration of large aperture condition so that the first lens 11 have preferably light collection ability, And contribute to lifting the configuration of 11 refracting power of the first lens, effectively reduce the total length of optical system；Meet relational expression 1.6<TD/ EPD<2.0, the light-inletting quantity of pick-up lenss can be increased, while maintaining which to be miniaturized；Meet relational expression 0.4<|Drls|/CT₁<1.1, The light collection ability of the first lens 11 can be lifted；Meet relational expression 0.7<R₆/f<0.85, contribute to reducing the picture of pick-up lenss Difference.

It is further preferred that the pick-up lenss in this utility model embodiment meet following relational expression：

-7.8<f₃/f₂<-3.6；0.76<R₆/f<0.81；-0.34<R₁₂/R₈<-0.13；

1.22<CT₅/CT₄<1.48；.62<TD/(2*SD₅₂)<0.73；0.84<SAG₁₁/EF₁<1.54；

0.45<|Drls|/CT₁<1.04；1.88<TD/EPD<1.94；V₃-V₄>32.68。

Based on this, can further optimize the parameter of each eyeglass of pick-up lenss, on the premise of high pixel is met, further Reduce the overall length of pick-up lenss, maintain the miniaturization of pick-up lenss and electronic equipment.

In the present embodiment, the material of 11 to the 5th lens 15 of the first lens can be glass or plastics, if the material of lens is Glass, then can increase the degree of freedom of the pick-up lenss refracting power configuration, if the material of lens is plastics, effectively can reduce The production cost of pick-up lenss.Additionally, each minute surface of 11 to the 5th lens 15 of the first lens is set to aspheric surface, can obtain more Controlled variable, to cut down aberration, and then the number that lens are used can be shortened, reduce pick-up lenss total length.

In the present embodiment, the first lens 11, the second lens 12, the 3rd lens 13, the 4th lens 14 and the 5th lens 15 In thing side and image side surface, at least one is aspheric surface, and optionally, its thing side and image side surface are aspheric surface.In order to further The image quality of the optical imaging lens is ensured, the first lens 1 in the above-mentioned any one embodiment of the application to Any one aspheric curve of five lens 15 is satisfied by following relational expression：

Wherein, the z represents the Z coordinate value of lens surface each point, and r represents the Y-axis coordinate figure of each point on lens surface, c For the inverse of the radius of curvature R of lens surface, k is circular cone coefficient, α₁、α₂、α₃、α₄、α₅、α₆、α₇、α₈For even asphericity coefficients.

In the description of following each preferred implementations, the lens that the present embodiment further discloses optical imaging lens are non- The design parameter and other specification of sphere.

Embodiment one

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 Structure is as shown in figure 1, the curvature of field and distortion curve figure are as shown in Fig. 2 spherical aberration curve chart is as shown in Figure 3.

Wherein, the design parameter reference table 1-1 of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17, the The aspheric design parameter of one lens, 11 to the 5th lens 15 is as shown in table 1-2.In table 1-1 and table 1-2, surface 2 represents the The thing side surface of one lens 11, surface 3 represent the image side surface of the first lens 11, the thing side surface of 4 second lens 12 of surface, table Face 5 represents the image side surface of the second lens 12, and the thing side surface of the 3rd lens 13 of surface 6, surface 7 represent the picture of the 3rd lens 13 Side surface, the thing side surface of the 4th lens 14 of surface 8, surface 9 represent the image side surface of the 4th lens 14, the 5th lens of surface 10 15 thing side surface, surface 11 represent the image side surface of the 5th lens 15, and surface 12 represents the thing side surface of optical filter 17, surface The 13 image side surfaces for representing optical filter 17.

Table 1-1

Table 1-2

Specifically, TTL/I in present embodiment_mgh=1.34, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.74, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.41, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=25.36, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.84, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-7.16, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.24, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.81, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.33, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.63, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=0.98, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=0.47, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.90, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.58, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss be 3.47mm, f-number Fno be 2.28, Angle of half field-of view HFOV is 39.895 °.

Embodiment two

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 Structure is as shown in figure 4, the curvature of field and distortion curve figure are as shown in figure 5, spherical aberration curve chart is as shown in Figure 6.First lens 11 to the 5th The design parameter reference table 2-1 of lens 15, aperture 16 and optical filter 17,11 to the 5th lens 15 of the first lens it is aspheric Design parameter is as shown in table 2-2.

Table 2-1

Table 2-2

Specifically, TTL/I in present embodiment_mgh=1.34, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.73, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.71, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=26.30, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.9, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-3.52, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.34, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.76, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.48, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.63, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=1, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=0.48, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.94, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.58, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss is 3.48mm, and f-number Fno is 2.29, Angle of half field-of view HFOV is 39.75 °.

Embodiment three

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 Structure is as shown in fig. 7, the curvature of field and distortion curve figure are as shown in figure 8, spherical aberration curve chart is as shown in Figure 9.First lens 11 to the 5th The design parameter reference table 3-1 of lens 15, aperture 16 and optical filter 17,11 to the 5th lens 15 of the first lens it is aspheric Design parameter is as shown in table 3-2.

Table 3-1

Table 3-2

Specifically, TTL/I in present embodiment_mgh=1.36, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.74, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.44, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=13.65, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.72, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-6.75, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.13, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.8, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.22, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.73, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=0.84, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=0.45, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.92, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.58, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss is 3.47mm, and f-number Fno is 2.29, Angle of half field-of view HFOV is 39.22 °.

Embodiment four

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 As shown in Figure 10, as shown in figure 11, spherical aberration curve chart is as shown in figure 12 for the curvature of field and distortion curve figure for structure.First lens 11 are to The design parameter reference table 4-1 of five lens 15, aperture 16 and optical filter 17, the aspheric surface of 11 to the 5th lens 15 of the first lens Design parameter as shown in table 4-2.

Table 4-1

Table 4-2

Specifically, TTL/I in present embodiment_mgh=1.34, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.80, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.5, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=3.29, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.01, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-8, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.25, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.76, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.35, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.64, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=1.30, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=0.54, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.68, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.58, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss is 3.46mm, and f-number Fno is 2.16, Angle of half field-of view HFOV is 39.76 °.

Embodiment five

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 As shown in figure 13, as shown in figure 14, spherical aberration curve chart is as shown in figure 15 for the curvature of field and distortion curve figure for structure.First lens 11 are to The design parameter reference table 5-1 of five lens 15, aperture 16 and optical filter 17, the aspheric surface of 11 to the 5th lens 15 of the first lens Design parameter as shown in table 5-2.

Table 5-1

Table 5-2

Specifically, TTL/I in present embodiment_mgh=1.42, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.73, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.43, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=28.28, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.86, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-7.34, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.24, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.81, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.34, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.64, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=1.54, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=1.04, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.89, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.68, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss is 3.47mm, and f-number Fno is 2.43, Angle of half field-of view HFOV is 39.82 °.

Embodiment six

In present embodiment, including the pick-up lenss of 11 to the 5th lens 15 of the first lens, aperture 16 and optical filter 17 As shown in figure 16, as shown in figure 17, spherical aberration curve chart is as shown in figure 18 for the curvature of field and distortion curve figure for structure.First lens 11 are to The design parameter reference table 6-1 of five lens 15, aperture 16 and optical filter 17, the aspheric surface of 11 to the 5th lens 15 of the first lens Design parameter as shown in table 6-2.

Table 6-1

Table 6-2

Specifically, TTL/I in present embodiment_mgh=1.32, meet 1.3<TTL/I_mgh<1.5 relational expression；

|f/f₂|=0.74, meet 0.7<|f/f₂|<0.8 relational expression；

|f/f₃|+|f/f₄|=0.44, meet 0.4<|f/f₃|+|f/f₄|<0.75 relational expression；

R₁₀/ f=28.98, meets 3.2<R₁₀/f<30 relational expression；

(R₉+R₁₀)/(R₉-R₁₀)=- 0.87, meets -0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0 relational expression；

f₃/f₂=-7.79, meet -8<f₃/f₂<- 3 relational expression；

R₁₂/R₈=-0.21, meets -0.4<R₁₂/R₈<- 0.1 relational expression；

R₆/ f=0.80, meets 0.7<R₆/f<0.85 relational expression；

CT₅/CT₄=1.41, meet 1.2<CT₅/CT₄<1.5 relational expression；

TD/(2*SD₅₂)=0.62, meets 0.6<TD/(2*SD₅₂)<0.8 relational expression；

SAG₁₁/EF₁=0.92, meet 0.9<SAG₁₁/EF₁<1.6 relational expression；

|Drls|/CT₁=0.46, meet 0.4<|Drls|/CT₁<1.1；

TD/EPD=1.88, meets 1.6<TD/EPD<2.0 relational expression；

V₃-V₄=32.58, meet V₃-V₄>30 relational expression.

Further, in the present embodiment, effective focal length f of pick-up lenss is 3.47mm, and f-number Fno is 2.28, Angle of half field-of view HFOV is 39.68 °.

The distortion of pick-up lenss disclosed in the above embodiments of the present application, the curvature of field and spherical aberration are less, and imaging distortion is little, High definition, stereovision enrich, optical system total length is less, can meet pick-up lenss and electronic equipment miniaturization will Ask.

It is understood that be directed to pick-up lenss disclosed in the above embodiments of the present application, the application is also with having opened one kind The concrete application of pick-up lenss, specifically, disclosed herein as well is a kind of electronic equipment using the pick-up lenss, the electricity Sub- equipment can include pick-up lenss disclosed in the above-mentioned any one embodiment of the application.Wherein, the electronic equipment can be concrete For electronic product equipments such as mobile phone, flat board, notebook computer, camera, cameras.

Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by One entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are anticipated Covering including for nonexcludability, so that a series of process, method, article or equipment including key elements not only includes that A little key elements, but also including other key elements being not expressly set out, or also include for this process, method, article or The intrinsic key element of equipment.In the absence of more restrictions, the key element for being limited by sentence "including a ...", does not arrange Except also there is other identical element in including the process of the key element, method, article or equipment.

In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.To the upper of the disclosed embodiments State bright, professional and technical personnel in the field is realized or is used this utility model.Various modifications to these embodiments are right Will be apparent for those skilled in the art, generic principles defined herein can be without departing from this reality In the case of with new spirit or scope, realize in other embodiments.Therefore, this utility model is not intended to be limited to this These embodiments shown in text, and it is to fit to the most wide scope consistent with principles disclosed herein and features of novelty.

Claims (10)

1. a kind of pick-up lenss, it is characterised in that include the first lens for being set gradually along same optical axis from the object side to image side extremely 5th lens；

First lens have a positive refracting power, and the thing side of first lens in paraxial place be convex surface：

Second lens have a negative refracting power, and the image side surface of second lens in paraxial place be concave surface；

3rd lens have a positive refracting power, and the thing side of the 3rd lens is concave surface, image side surface in paraxial in paraxial place Locate as convex surface；

4th lens have a negative refracting power, and the thing side of the 4th lens in paraxial place be concave surface；

5th lens have a positive refracting power, and the thing side of the 5th lens is convex surface, image side surface in paraxial in paraxial place Locate as concave surface, and the thing side and at least one of image side surface surface of the 5th lens are provided with least one point of inflexion；

The pick-up lenss also include aperture, and the aperture is arranged between object and first lens, or, the light Circle is arranged between object and second lens；

Also, the pick-up lenss meet following relational expression：

1.3<TTL/I_mgh<1.5；0.7<|f/f₂|<0.8；

0.4<|f/f₃|+|f/f₄|<0.75；3.2<R₁₀/f<30；-0.91≤(R₉+R₁₀)/(R₉-R₁₀)<0；

Wherein, TTL is the overall length of the pick-up lenss, I_mghFor the maximum image height of the pick-up lenss, f is the pick-up lenss Effective focal length, f₂For the focal length of second lens, f₃For the focal length of the 3rd lens, f₄For Jiao of the 4th lens Away from R₉For the radius of curvature of the thing side of the 4th lens, R₁₀For the radius of curvature of the image side surface of the 4th lens.

2. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：-8<f₃/f₂ <-3。

3. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：0.7<R₆/f <0.85；

Wherein, R₆For the radius of curvature of the image side surface of second lens.

4. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：

-0.4<R₁₂/R₈<-0.1；

Wherein, R₈For the radius of curvature of the image side surface of the 3rd lens, R₁₂For the curvature half of the image side surface of the 5th lens Footpath.

5. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：

1.2<CT₅/CT₄<1.5；0.6<TD/(2*SD₅₂)<0.8；

Wherein, CT₄For thickness of the 4th lens on optical axis, CT₅For thickness of the 5th lens on optical axis, TD is Distance of the image side surface of the thing side of first lens to the 5th lens on optical axis, SD₅₂For the 5th lens Vertical dimension of the maximum effective radius position of image side surface on optical axis.

6. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：

0.9<SAG₁₁/EF₁<1.6；0.4<|Drls|/CT₁<1.1；

Wherein, SAG₁₁For first lens intersection point of the thing side on optical axis to the first lens thing side and image side surface Maximum effectively horizontal displacement distance of the path position on optical axis, EF₁It is parallel between image side surface for the first lens thing side The minimum horizontal distance on the non-axle of optical axis, Drls is distance of the first lens thing side to the aperture on optical axis, CT₁For thickness of first lens on optical axis.

7. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：

1.6<TD/EPD<2.0；

Wherein, TD is distance of the image side surface of the thing side to the 5th lens of first lens on optical axis, and EPD is institute State the Entry pupil diameters of pick-up lenss.

8. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also meet relational expression：

V₃-V₄>30；

Wherein, V3 is the abbe number of the 3rd lens, and V4 is the abbe number of the 4th lens.

9. pick-up lenss according to claim 1, it is characterised in that the pick-up lenss also include saturating positioned at the described 5th The infrared fileter of image side.

10. a kind of electronic equipment, it is characterised in that including the pick-up lenss described in any one of claim 1～9.