CN207123645U

CN207123645U - Pick-up lens

Info

Publication number: CN207123645U
Application number: CN201721167172.3U
Authority: CN
Inventors: 王新权
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2017-09-13
Filing date: 2017-09-13
Publication date: 2018-03-20
Anticipated expiration: 2027-09-13

Abstract

This application discloses a kind of pick-up lens, the pick-up lens is sequentially included along optical axis by thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.First lens have positive light coke, and its thing side is convex surface, and image side surface is concave surface；Second lens and the 3rd lens are respectively provided with positive light coke or negative power；4th lens have positive light coke, and its image side surface is convex surface；5th lens have negative power, and its thing side is concave surface；Wherein, effective half bore DT52 of the 5th lens image side surface and effective pixel area diagonal line length on pick-up lens imaging surface half ImgH meet 0.75 ＜ DT52/ImgH ＜ 1.

Description

Pick-up lens

Technical field

The application is related to a kind of pick-up lens, is taken the photograph more specifically, the application is related to a kind of large aperture including five lens As camera lens.

Background technology

With the conventional photosensitive member such as photosensitive coupling element (CCD) or Complimentary Metal-Oxide semiconductor element (CMOS) The raising of part performance and the reduction of size, proposed for the high image quality of pick-up lens to match and miniaturization higher It is required that.

Meanwhile as conventional photo-sensitive cell can use in infrared region, and by the application extension of camera lens to it is infrared into The fields such as picture, distance measurement, infrared identification.Existing miniaturization pick-up lens generally has larger F-number Fno, light-inletting quantity It is less than normal, thus the precision for detecting, identifying can not be ensured.In order to preferably meet to detect, the requirement of the field to camera lens such as identify, also Need pick-up lens that there is larger aperture while small size is ensured.

Utility model content

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

On the one hand, this application provides such a pick-up lens, the pick-up lens along optical axis by thing side to image side sequentially Including：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.First lens can have positive light coke, its Thing side can be convex surface, and image side surface can be concave surface；Second lens and the 3rd lens are respectively provided with positive light coke or negative power；4th Lens can have positive light coke, and its image side surface can be convex surface；5th lens can have negative power, and its thing side can be concave surface； Wherein, effective half bore DT52 of the 5th lens image side surface and one of effective pixel area diagonal line length on pick-up lens imaging surface Half ImgH can meet 0.75 ＜ DT52/ImgH ＜ 1.

In one embodiment, total the effective focal length f and pick-up lens of pick-up lens Entry pupil diameters EPD can meet f/ EPD ＜ 1.6.

In one embodiment, total effective focal length f of the effective focal length f1 of the first lens and pick-up lens can meet 1.4 ＜ f1/f ＜ 2.

In one embodiment, the radius of curvature of the lens image side surface of radius of curvature R 1 and first of the first lens thing side R2 can meet -5 ＜ (R1+R2)/(R1-R2) ＜ -3.

In one embodiment, the radius of curvature of the lens thing side of radius of curvature R 8 and the 5th of the 4th lens image side surface R9 can meet 1.2 ＜ R8/R9 ＜ 3.5.

In one embodiment, the radius of curvature R 9 of the 5th lens thing side and the effective focal length f5 of the 5th lens can expire 0 ＜ R9/f5 ＜ 0.8 of foot.

In one embodiment, the radius of curvature R 9 of the 5th lens thing side and total effective focal length f of pick-up lens can Meet R9/f ＞ -0.5.

In one embodiment, the first lens in the center thickness CT1 on optical axis and the 4th lens on optical axis Heart thickness CT4 can meet 0.6 ＜ CT1/CT4 ＜ 1.1.

In one embodiment, the 3rd lens in the center thickness CT3 on optical axis and the 5th lens on optical axis Heart thickness CT5 can meet 0.8 ＜ CT3/CT5 ＜ 1.2.

In one embodiment, spacing distance T12, the second lens and of the first lens and the second lens on optical axis Spacing distance T23 and threeth lens and fourth lens spacing distance T34 on optical axis of three lens on optical axis can meet 0.1 ＜ T34/ (T12+T23) ＜ 0.5.

In one embodiment, distance TTL and shooting on the thing side of the first lens to the axle of pick-up lens imaging surface The half ImgH of effective pixel area diagonal line length can meet TTL/ImgH ＜ 1.6 on lens imaging face.

In one embodiment, the thing side of the 5th lens and the intersection point of optical axis are effective to the thing side of the 5th lens Distance SAG51 and the image side surface of the 5th lens and the intersection point of optical axis between half bore summit on optical axis to the 5th lens picture Distance SAG52 between effective half bore summit of side on optical axis can meet 0.8 ＜ SAG51/SAG52 ＜ 1.8.

In one embodiment, the first lens can be the lens of glass material, and its thermal coefficient of expansion TCE1 can meet TCE1 ＜ 15 × 10^-6/℃。

On the other hand, present invention also provides such a pick-up lens, the pick-up lens is along optical axis by thing side to image side Sequentially include：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.The thing side of first lens can be convex Face, image side surface can be concave surface；At least one in the thing side of second lens and image side surface is convex surface；The thing side of 3rd lens At least one in face and image side surface is concave surface；4th lens can have positive light coke, and its image side surface can be convex surface；5th is saturating Mirror has negative power, and its thing side can be concave surface.Wherein, the thing side of the 5th lens and the intersection point of optical axis are to the 5th lens The image side surface of distance SAG51 and the 5th lens between effective half bore summit of thing side on optical axis and the intersection point of optical axis are extremely Distance SAG52 between effective half bore summit of the image side surface of 5th lens on optical axis can meet 0.8 ＜ SAG51/SAG52 ＜ 1.8.

In one embodiment, the first lens can have positive light coke.

On the other hand, present invention also provides such a pick-up lens, the pick-up lens is along optical axis by thing side to image side Sequentially include：First lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.First lens can have positive light focus Degree, its thing side can be convex surface, and image side surface can be concave surface；Second lens and the 3rd lens are respectively provided with positive light coke or negative light focus Degree；4th lens can have positive light coke, and its image side surface can be convex surface；5th lens can have negative power, and its thing side can For concave surface；Wherein, total the effective focal length f and pick-up lens of pick-up lens Entry pupil diameters EPD can meet f/EPD ＜ 1.6；First Distance TTL and effective pixel area diagonal on pick-up lens imaging surface on the thing side of lens to the axle of pick-up lens imaging surface Long half ImgH can meet TTL/ImgH ＜ 1.6.

By on the axle between each power of lens of reasonable distribution, face type, the center thickness of each lens and each lens Spacing etc. so that pick-up lens has miniaturization, low sensitivity, large aperture etc. at least while good image quality is realized One beneficial effect.

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 pick-up 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 pick-up lens of embodiment 1, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 3 shows the structural representation of the pick-up 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 pick-up lens of embodiment 2, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 5 shows the structural representation of the pick-up 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 pick-up lens of embodiment 3, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 7 shows the structural representation of the pick-up 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 pick-up lens of embodiment 4, astigmatism curve, distortion curve And ratio chromatism, curve；

Fig. 9 shows the structural representation of the pick-up 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 pick-up lens of embodiment 5, astigmatism curve, distortion song Line and ratio chromatism, curve；

Figure 11 shows the structural representation of the pick-up 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 pick-up lens of embodiment 6, astigmatism curve, distortion song Line 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 the simply illustrative embodiments 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 Sign makes a distinction, and does not indicate that any restrictions 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 and non-critical drawn to scale.

Herein, near axis area refers to the region near optical axis.If lens surface is convex surface and does not define the convex surface position When putting, then it represents that the lens surface is extremely convex surface less than near axis area；If lens surface is concave surface and does not define the concave surface position When, then it represents that the lens surface is extremely concave surface less than near axis area.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 stated feature, element and/or part be present 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, whole listed feature, rather than the individual component in modification list are modified.In addition, work 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 (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 so limiting herein.

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.

According to the pick-up lens of the application illustrative embodiments include such as five have focal power lens, i.e., first Lens, the second lens, the 3rd lens, the 4th lens and the 5th lens.This five lens along optical axis from thing side to image side sequentially Arrangement.The pick-up lens can also further comprise the photo-sensitive cell for being arranged at imaging surface.

First lens can have positive light coke, and its thing side can be convex surface, and image side surface can be concave surface.By to the first lens The reasonable Arrangement of focal power and face type, help to correct imaging system spherical aberration, shorten the optics total length of imaging system.

1.4 ＜ f1/f ＜ 2 can be met between the effective focal length f1 of first lens and total effective focal length f of pick-up lens, more Specifically, f1 and f can further meet 1.43≤f1/f≤1.74.Meet the ＜ f1/f ＜ 2 of conditional 1.4, be advantageous to shorten into As the overall length of system.

It can meet -5 ＜ between the radius of curvature R 2 of the lens image side surface of radius of curvature R 1 and first of first lens thing side (R1+R2)/(R1-R2) ＜ -3, more specifically, R1 and R2 can further meet -4.48≤(R1+R2)/(R1-R2)≤- 3.17. Meet the ＜ of conditional -5 (R1+R2)/(R1-R2) ＜ -3, contribute to spherical aberration control caused by the first lens in zone of reasonableness It is interior；Meanwhile be advantageous to shorten the overall length of imaging system.

First lens can be the lens of glass material, and its thermal coefficient of expansion TCE1 can meet TCE1 ＜ 15 × 10^-6/℃.Glass Glass material generally has higher refractive index, can slow down the degree of crook of lens surface using glass material, so as to be advantageous to The manufacture processing of lens；Meanwhile the temperature refraction rate coefficient change of glass material is smaller, in the application that environment temperature changes In, using the lens of glass material be advantageous to keep image planes stabilization, be advantageous to improve imaging system heat resistance.

Second lens have positive light coke or negative power, and at least one in its thing side and image side surface is convex surface.

3rd lens have positive light coke or negative power, and at least one in its thing side and image side surface is concave surface. Alternatively, the 3rd lens can have negative power, and its image side surface can be concave surface.

4th lens can have positive light coke, and its thing side can be convex surface, and image side surface can be convex surface.By to the 4th lens The reasonable Arrangement of focal power and face type, be advantageous to the focal power of scattered imaging system, reduce the tolerance sensitivities of imaging system.

5th lens can have negative power, and its thing side can be concave surface.By to the 5th lens strength and face type Reasonable Arrangement, is advantageous to shorten the overall length of imaging system, and then realizes miniaturization.

It can meet 1.2 ＜ between the radius of curvature R 9 of the lens thing side of radius of curvature R 8 and the 5th of 4th lens image side surface R8/R9 ＜ 3.5, more specifically, R8 and R9 can further meet 1.23≤R8/R9≤2.25.Meet the ＜ R8/R9 of conditional 1.2 ＜ 3.5, be advantageous to correct astigmatism caused by optical imaging system, reduce aberration.

It can meet 0 ＜ R9/f5 ＜ between the effective focal length f5 of the lens of radius of curvature R 9 and the 5th of 5th lens thing side 0.8, more specifically, R9 and f5 can further meet 0.52≤R9/f5≤0.62.Meet the ＜ R9/f5 ＜ 0.8 of conditional 0, favorably In the machine-shaping of lens and the optics overall length of shortening imaging system.

Can meet between the radius of curvature R 9 of 5th lens thing side and total effective focal length f of pick-up lens R9/f ＞- 0.5, more specifically, R9 and f can further meet -0.42≤R9/f≤- 0.38.Meet conditional R9/f ＞ -0.5, be advantageous to Image side side is imaged the movement towards thing side, so as to be advantageous to shorten the optics overall length of imaging system so that system has small-sized Change characteristic.

Effective pixel area diagonal on the effective half bore DT52 and pick-up lens of 5th lens image side surface imaging surface 0.75 ＜ DT52/ImgH ＜ 1 can be met between long half ImgH, more specifically, DT52 and ImgH can further meet 0.81 ≤DT52/ImgH≤0.90.Meet the ＜ DT52/ImgH ＜ 1 of conditional 0.75, be advantageous to the machine-shaping of the 5th lens, and have Beneficial to the optics overall length for shortening imaging system.

Distance on the intersection point of 5th lens thing side and optical axis to the axle on effective half bore summit of the 5th lens thing side Distance on SAG51 and the intersection point of the 5th lens image side surface and optical axis to the axle on effective half bore summit of the 5th lens image side surface 0.8 ＜ SAG51/SAG52 ＜ 1.8 can be met between SAG52, more specifically, SAG51 and SAG52 can further meet 0.95≤ SAG51/SAG52≤1.77.Meet the ＜ SAG51/SAG52 ＜ 1.8 of conditional 0.8, be advantageous to the machine-shaping of eyeglass, and favorably In the miniaturization of camera lens.

In the application, the spacing distance the center thickness of each lens and each lens can also be optimized, with lifting The optical property of camera lens.

First lens can expire in the center thickness CT1 on optical axis and the 4th lens between the center thickness CT4 on optical axis 0.6 ＜ CT1/CT4 ＜ 1.1 of foot, more specifically, CT1 and CT4 can further meet 0.65≤CT1/CT4≤1.09.Meet condition The ＜ CT1/CT4 ＜ 1.1 of formula 0.6, be advantageous to the scattered of system focal power, be advantageous to the machine-shaping of lens, also help reduction The tolerance sensitivity of imaging system.

3rd lens can expire in the center thickness CT3 on optical axis and the 5th lens between the center thickness CT5 on optical axis 0.8 ＜ CT3/CT5 ＜ 1.2 of foot, more specifically, CT3 and CT5 can further meet 0.88≤CT3/CT5≤1.16.Meet condition The ＜ CT3/CT5 ＜ 1.2 of formula 0.8, be advantageous to the reasonable distribution in space on axle, so as to preferably balance eyeglass machine-shaping and into As system optics overall length these two aspects so that camera lens can be total with optics as short as possible while with good workability Length.

Spacing distance T12, the second lens and the 3rd lens of first lens and the second lens on optical axis are on optical axis Spacing distance T23 and the 3rd lens and the 4th lens can meet 0.1 ＜ T34/ (T12 between the spacing distance T34 on optical axis + T23) ＜ 0.5, more specifically, T12, T23 and T34 can further meet 0.11≤T34/ (T12+T23)≤0.32.Meet bar Part formula 0.1 ＜ T34/ (T12+T23) ＜ 0.5, is advantageous to the assembling of lens, so as to be advantageous to the lifting of camera lens production yield and The shortening of system optics overall length.

F/EPD ＜ 1.6 can be met between total the effective focal length f and pick-up lens of pick-up lens Entry pupil diameters EPD, more Body, f and EPD can further meet 1.26≤f/EPD≤1.38.Meet conditional f/EPD ＜ 1.6, can effectively be lifted Image planes energy density on imaging surface, and then improve the signal to noise ratio of image space sensor output signal, i.e. improve infrared imaging quality Or identification detection accuracy.

Alternatively, above-mentioned pick-up lens may also include optical filter, and optical filter can be infrared band pass filter.

Alternatively, above-mentioned pick-up lens may also include the protective glass for protecting the photo-sensitive cell on imaging surface.

Multi-disc eyeglass, such as described above five can be used according to the pick-up lens of the above-mentioned embodiment of the application. , can by spacing on the axle between each power of lens of reasonable distribution, face type, the center thickness of each lens and each lens etc. Effectively reduce the volume of camera lens, reduce the susceptibility of camera lens and improve the machinability of camera lens so that pick-up lens is more favourable In producing and processing and be applicable to portable type electronic product.Meanwhile by the pick-up lens of above-mentioned configuration, also have for example big The beneficial effects such as aperture, high image quality, it can preferably be applied to the fields such as infrared acquisition, identification.

In presently filed embodiment, at least one in the minute surface of each lens is aspherical mirror.Non-spherical lens The characteristics of be：From lens centre to lens perimeter, curvature is consecutive variations.It is constant with having from lens centre to lens perimeter The spherical lens of curvature is different, and non-spherical lens has more preferably radius of curvature characteristic, and there is improvement to distort aberration and improve picture The advantages of dissipating aberration.After non-spherical lens, the aberration occurred when imaging can be eliminated as much as possible, so as to improve Image quality.

However, it will be understood by those of skill in the art that without departing from this application claims technical scheme situation Under, the lens numbers for forming pick-up lens can be changed, to obtain each result and advantage described in this specification.Though for example, So it is described in embodiments by taking five lens as an example, but the pick-up lens is not limited to include five lens.If Need, pick-up lens may also include the lens of other quantity.

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

Embodiment 1

Pick-up lens referring to Fig. 1 to Fig. 2 D descriptions according to the embodiment of the present application 1.Fig. 1 is shown according to the application The structural representation of the pick-up lens of embodiment 1.

As shown in figure 1, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=6.50 × 10^-6/℃。

Second lens L2 has positive light coke, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens E2 Thing side S3 and image side surface S4 is aspherical.

3rd lens L3 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 is aspherical.

4th lens L4 has positive light coke, and its thing side S7 is convex surface, and image side surface S8 is convex surface, and the 4th lens E4 Thing side S7 and image side surface S8 is aspherical.

5th lens L5 has negative power, 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 be aspherical.

Alternatively, pick-up lens may also include the optical filter L6 with thing side S11 and image side surface S12.From object Light sequentially through each surface S1 to S12 and is ultimately imaged on imaging surface S13.

Alternatively, diaphragm STO can be set between thing side and the first lens L1, to improve the image quality of pick-up lens.

Table 1 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 1 Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).

Table 1

As shown in Table 1, the first lens L1 things side S1 lens L1 image side surfaces S2 of radius of curvature R 1 and first curvature half Meet (R1+R2)/(R1-R2)=- 4.48 between the R2 of footpath；The 4th lens L4 image side surfaces S8 lens L5 of radius of curvature R 8 and the 5th Meet R8/R9=1.75 between thing side S9 radius of curvature R 9；First lens L1 is in the center thickness CT1 and the 4th on optical axis Lens L4 meets CT1/CT4=0.96 between the center thickness CT4 on optical axis；3rd lens L3 is in the center thickness on optical axis CT3 and the 5th lens L5 meet CT3/CT5=1.03 between the center thickness CT5 on optical axis；First lens L1 and second is saturating Spacing distance T12, second lens L2 and threeth lens L3 spacing distance T23s and threeth on optical axis of the mirror L2 on optical axis Lens L3 and the 4th lens L4 meet T34/ (T12+T23)=0.27 between the spacing distance T34 on optical axis.

In the present embodiment, each aspherical face type x is limited by below equation：

Wherein, x be it is aspherical along optical axis direction when being highly h position, 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-S10 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

6.7023E-03

2.3208E-03

-1.7264E-03

2.6033E-04

1.0806E-04

-2.6534E-05

-1.0213E-05

0.0000E+00

S2

-1.3894E-04

-7.8632E-03

4.9290E-03

-2.4302E-03

2.0504E-04

0.0000E+00

S3

-8.3620E-03

-4.9907E-02

5.9183E-02

-5.1623E-02

2.3988E-02

-6.0692E-03

5.8357E-04

0.0000E+00

S4

-2.9484E-02

1.7080E-02

-3.2490E-02

2.2400E-02

-1.0689E-02

2.7910E-03

-3.0149E-04

0.0000E+00

S5

-1.1570E-01

1.2672E-01

-1.1433E-01

6.1601E-02

-1.8420E-02

2.0905E-03

0.0000E+00

S6

-1.5755E-01

7.7283E-02

8.3797E-03

-6.1712E-02

4.6558E-02

-1.5156E-02

1.7308E-03

1.3237E-04

-3.0833E-05

S7

-8.9066E-02

4.1769E-02

-3.2736E-02

1.7530E-02

-6.5927E-03

1.3509E-03

-1.0931E-04

0.0000E+00

S8

1.6309E-02

-2.0132E-03

1.5360E-04

8.3524E-05

1.4589E-05

-3.6784E-06

0.0000E+00

S9

2.1370E-02

7.3852E-04

-6.5440E-05

-1.2698E-05

8.2656E-07

0.0000E+00

S10

-3.8646E-03

2.3051E-03

-7.9045E-04

9.1052E-05

-4.7846E-06

9.5023E-08

0.0000E+00

Table 2

Table 3 below provides total effective focal length f of the pick-up lens of embodiment 1, effective focal length f1 to f5, the camera lens of each lens The optics total length TTL (that is, the distance from the first lens L1 thing side S1 to imaging surface S13 on optical axis) of head and shooting The half ImgH of effective pixel area diagonal line length on the S13 of lens imaging face.

Table 3

In embodiment 1, f1/f is met between the first lens L1 effective focal length f1 and total effective focal length f of pick-up lens =1.74；The half of effective pixel area diagonal line length on the optics total length TTL and pick-up lens imaging surface S13 of pick-up lens Meet TTL/ImgH=1.39 between ImgH；5th lens L5 thing side S9 radius of curvature R 9 is total effective with pick-up lens Meet R9/f=-0.38 between focal length f；The 5th lens L5 thing side S9 lens L5 of radius of curvature R 9 and the 5th effective Jiao Away from meeting R9/f5=0.52 between f5；Meet between total the effective focal length f and pick-up lens of pick-up lens Entry pupil diameters EPD F/EPD=1.30；Valid pixel on 5th lens L5 image side surfaces S10 effective half bore DT52 and pick-up lens imaging surface S13 Meet DT52/ImgH=0.85 between the half ImgH of region diagonal line length；5th lens L5 things side S9 and optical axis intersection point Distance SAG51 and the 5th lens L5 image side surfaces S10 and light on to the axle on the 5th lens L5 things side S9 effective half bore summit Meet SAG51/ between distance SAG52 on the intersection point of axle to the axle on the 5th lens L5 image side surfaces S10 effective half bore summit SAG52=1.01.

Fig. 2A shows chromatic curve on the axle of the pick-up lens of embodiment 1, and it represents the light of different wave length via mirror Converging focal point after head deviates.Fig. 2 B show the astigmatism curve of the pick-up lens of embodiment 1, its represent meridianal image surface bending and Sagittal image surface is bent.Fig. 2 C show the distortion curve of the pick-up lens of embodiment 1, and it represents the distortion in the case of different visual angles Sizes values.Fig. 2 D show the ratio chromatism, curve of the pick-up lens of embodiment 1, its represent light via after camera lens in imaging surface On different image heights deviation.Understand that the pick-up lens given by embodiment 1 can be realized good according to Fig. 2A to Fig. 2 D Image quality.

Embodiment 2

Pick-up lens referring to Fig. 3 to Fig. 4 D descriptions according to the embodiment of the present application 2.In the present embodiment and following implementation In example, for brevity, by clipped description similar to Example 1.Fig. 3 shows taking the photograph according to the embodiment of the present application 2 As the structural representation of camera lens.

As shown in figure 3, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=3.00 × 10^-6/℃。

Second lens L2 has negative power, and its thing side S3 is convex surface, and image side surface S4 is concave surface, and the second lens E2 Thing side S3 and image side surface S4 is aspherical.

5th lens L5 has negative power, and its thing side S9 is concave surface, and image side surface S10 is concave surface, and the 5th lens E5 Thing side S9 and image side surface S10 be aspherical.

Table 4 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 2 Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 5 is shown available for each aspherical mirror in embodiment 2 The high order term coefficient in face, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 6 is shown Total effective focal length f of the pick-up lens of embodiment 2, the effective focal length f1 to f5 of each lens, the optics total length TTL of pick-up lens And on pick-up lens imaging surface S13 effective pixel area diagonal line length half ImgH.

Table 4

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

6.5189E-03

3.1475E-03

-1.7389E-03

1.3535E-04

1.1388E-04

-2.6022E-06

-9.2316E-06

0.0000E+00

S2

3.3538E-03

-7.6042E-03

5.4054E-03

-2.1681E-03

2.0824E-04

0.0000E+00

S3

-3.1686E-03

-4.9523E-02

5.9290E-02

-5.0635E-02

2.4109E-02

-6.0651E-03

5.8357E-04

0.0000E+00

S4

-3.0532E-02

1.5141E-02

-1.9576E-02

1.0466E-02

-4.1370E-03

9.1558E-04

-8.4440E-05

0.0000E+00

S5

-8.9103E-02

8.1498E-02

-5.8791E-02

2.4212E-02

-5.8475E-03

5.6344E-04

0.0000E+00

S6

-1.0768E-01

6.9169E-03

6.0429E-02

-6.8698E-02

3.7333E-02

-1.1544E-02

2.0262E-03

-1.8421E-04

6.7776E-06

S7

-1.0115E-01

5.0621E-02

-3.3714E-02

1.4123E-02

-3.8113E-03

5.8188E-04

-3.7362E-05

0.0000E+00

S8

1.8898E-02

-2.7259E-03

5.9233E-05

7.7954E-05

1.5994E-05

-3.0056E-06

0.0000E+00

S9

1.8593E-02

1.0344E-03

-5.1294E-05

-1.2232E-05

7.8180E-07

0.0000E+00

S10

-7.1029E-03

2.3984E-03

-7.5319E-04

8.8979E-05

-4.8672E-06

1.0435E-07

0.0000E+00

Table 5

Table 6

Fig. 4 A show chromatic curve on the axle of the pick-up lens of embodiment 2, and it represents the light of different wave length via mirror Converging focal point after head deviates.Fig. 4 B show the astigmatism curve of the pick-up lens of embodiment 2, its represent meridianal image surface bending and Sagittal image surface is bent.Fig. 4 C show the distortion curve of the pick-up lens of embodiment 2, and it represents the distortion in the case of different visual angles Sizes values.Fig. 4 D show the ratio chromatism, curve of the pick-up lens of embodiment 2, its represent light via after camera lens in imaging surface On different image heights deviation.Understand that the pick-up lens given by embodiment 2 can be realized good according to Fig. 4 A to Fig. 4 D Image quality.

Embodiment 3

The pick-up lens according to the embodiment of the present application 3 is described referring to Fig. 5 to Fig. 6 D.

Fig. 5 shows the structural representation of the pick-up lens according to the embodiment of the present application 3.

As shown in figure 5, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=0.50 × 10^-6/℃。

Table 7 shows surface type, radius of curvature, thickness, material and the circular cone of each lens of the pick-up lens of embodiment 3 Coefficient, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 8 is shown available for each aspherical mirror in embodiment 3 The high order term coefficient in face, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 9 is shown Total effective focal length f of the pick-up lens of embodiment 3, the effective focal length f1 to f5 of each lens, the optics total length TTL of pick-up lens And on pick-up lens imaging surface S13 effective pixel area diagonal line length half ImgH.

Table 7

Table 8

Table 9

Fig. 6 A show chromatic curve on the axle of the pick-up lens of embodiment 3, and it represents the light of different wave length via mirror Converging focal point after head deviates.Fig. 6 B show the astigmatism curve of the pick-up lens of embodiment 3, its represent meridianal image surface bending and Sagittal image surface is bent.Fig. 6 C show the distortion curve of the pick-up lens of embodiment 3, and it represents the distortion in the case of different visual angles Sizes values.Fig. 6 D show the ratio chromatism, curve of the pick-up lens of embodiment 3, its represent light via after camera lens in imaging surface On different image heights deviation.Understand that the pick-up lens given by embodiment 3 can be realized good according to Fig. 6 A to Fig. 6 D Image quality.

Embodiment 4

The pick-up lens according to the embodiment of the present application 4 is described referring to Fig. 7 to Fig. 8 D.Fig. 7 is shown according to this Shen Please embodiment 4 pick-up lens structural representation.

As shown in fig. 7, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=-3.00 × 10^-6/℃。

Second lens L2 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 is aspherical.

Table 10 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 4 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 11 is shown available for each aspheric in embodiment 4 The high order term coefficient of face minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 12 shows The optics overall length of total effective focal length f of the pick-up lens of embodiment 4, the effective focal length f1 to f5 of each lens, pick-up lens is gone out Spend the half ImgH of effective pixel area diagonal line length on TTL and pick-up lens imaging surface S13.

Table 10

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

-6.6359E-03

2.2875E-03

-2.7411E-03

7.7598E-04

-7.2832E-05

1.6791E-06

-9.3473E-06

0.0000E+00

S2

-3.9819E-04

2.7714E-03

-6.1401E-03

3.7480E-03

-1.0730E-03

0.0000E+00

S3

-1.8668E-02

-1.7575E-02

2.3595E-02

-3.1321E-02

1.9495E-02

-6.0733E-03

5.8139E-04

0.0000E+00

S4

-5.1407E-02

3.4958E-02

-3.6453E-02

1.5422E-02

-3.2602E-03

1.3344E-04

3.2435E-05

0.0000E+00

S5

-9.0619E-02

6.2510E-02

-3.5156E-02

1.1791E-02

-2.9736E-03

2.8392E-04

0.0000E+00

S6

-1.4831E-01

5.5418E-02

2.3494E-02

-6.6635E-02

5.4958E-02

-2.4255E-02

5.9338E-03

-7.4751E-04

3.7710E-05

S7

-5.0370E-02

-2.2222E-02

4.1881E-02

-3.4812E-02

1.4275E-02

-2.9437E-03

2.3943E-04

0.0000E+00

S8

4.5015E-02

-8.2903E-03

4.2215E-04

3.5802E-05

-2.6671E-05

4.0924E-06

0.0000E+00

S9

2.4595E-02

-4.8602E-05

1.2046E-04

-4.2983E-06

-2.8682E-07

0.0000E+00

S10

-1.5663E-02

4.5250E-03

-1.1757E-03

1.1989E-04

-5.1814E-06

8.2224E-08

0.0000E+00

Table 11

Table 12

Fig. 8 A show chromatic curve on the axle of the pick-up lens of embodiment 4, and it represents the light of different wave length via mirror Converging focal point after head deviates.Fig. 8 B show the astigmatism curve of the pick-up lens of embodiment 4, its represent meridianal image surface bending and Sagittal image surface is bent.Fig. 8 C show the distortion curve of the pick-up lens of embodiment 4, and it represents the distortion in the case of different visual angles Sizes values.Fig. 8 D show the ratio chromatism, curve of the pick-up lens of embodiment 4, its represent light via after camera lens in imaging surface On different image heights deviation.Understand that the pick-up lens given by embodiment 4 can be realized good according to Fig. 8 A to Fig. 8 D Image quality.

Embodiment 5

The pick-up lens according to the embodiment of the present application 5 is described referring to Fig. 9 to Figure 10 D.Fig. 9 is shown according to this Shen Please embodiment 5 pick-up lens structural representation.

As shown in figure 9, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=6.10 × 10^-6/℃。

3rd lens L3 has negative power, and its thing side S5 is concave surface, and image side surface S6 is concave surface, and the 3rd lens E3 Thing side S5 and image side surface S6 is aspherical.

Table 13 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 5 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 14 is shown available for each aspheric in embodiment 5 The high order term coefficient of face minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 15 shows The optics overall length of total effective focal length f of the pick-up lens of embodiment 5, the effective focal length f1 to f5 of each lens, pick-up lens is gone out Spend the half ImgH of effective pixel area diagonal line length on TTL and pick-up lens imaging surface S13.

Table 13

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

7.4481E-03

2.3695E-03

-1.7102E-03

2.7989E-04

1.0517E-04

-3.9246E-05

-1.0213E-05

0.0000E+00

S2

5.2190E-04

-7.0815E-03

4.6821E-03

-2.6817E-03

2.8967E-04

0.0000E+00

S3

-8.5768E-03

-5.2612E-02

5.9592E-02

-5.1104E-02

2.3818E-02

-6.0692E-03

5.8357E-04

0.0000E+00

S4

2.5316E-03

-2.7855E-02

7.1619E-03

1.1733E-03

-4.9855E-03

2.2091E-03

-3.0307E-04

0.0000E+00

S5

7.1424E-03

-1.7246E-02

5.1000E-04

7.9751E-03

-6.1490E-03

1.0345E-03

0.0000E+00

S6

-1.2877E-01

7.2443E-02

-1.9044E-02

-5.3087E-02

7.2132E-02

-4.2531E-02

1.3307E-02

-2.1615E-03

1.4634E-04

S7

-1.4253E-01

1.1735E-01

-1.2129E-01

7.6677E-02

-2.9575E-02

6.1109E-03

-5.1182E-04

0.0000E+00

S8

2.7654E-02

-3.9650E-03

2.3058E-04

1.6770E-04

2.2817E-05

-6.9303E-06

0.0000E+00

S9

2.1215E-02

6.2763E-04

-6.8766E-05

-1.1805E-05

8.1047E-07

0.0000E+00

S10

-3.1837E-03

1.8511E-03

-6.9582E-04

8.8200E-05

-5.0572E-06

1.0803E-07

0.0000E+00

Table 14

Table 15

Figure 10 A show chromatic curve on the axle of the pick-up lens of embodiment 5, and it represents the light of different wave length via mirror Converging focal point after head deviates.Figure 10 B show the astigmatism curve of the pick-up lens of embodiment 5, and it represents meridianal image surface bending Bent with sagittal image surface.Figure 10 C show the distortion curve of the pick-up lens of embodiment 5, and it is represented in the case of different visual angles Distort sizes values.Figure 10 D show the ratio chromatism, curve of the pick-up lens of embodiment 5, its represent light via after camera lens The deviation of different image heights on imaging surface.Understand that the pick-up lens given by embodiment 5 can be real according to Figure 10 A to Figure 10 D Now good image quality.

Embodiment 6

The pick-up lens according to the embodiment of the present application 6 is described referring to Figure 11 to Figure 12 D.Figure 11 is shown according to this Apply for the structural representation of the pick-up lens of embodiment 6.

As shown in figure 11, pick-up lens sequentially includes the first lens L1, the second lens along optical axis from thing side into image side L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5 and imaging surface S13.

First lens L1 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 is aspherical.First lens L1 can be glass material, its thermal coefficient of expansion TCE1=3.70 × 10^-6/℃。

Second lens L2 has positive light coke, and its thing side S3 is concave surface, and image side surface S4 is convex surface, and the second lens E2 Thing side S3 and image side surface S4 is aspherical.

Table 16 shows surface type, radius of curvature, thickness, material and the circle of each lens of the pick-up lens of embodiment 6 Coefficient is bored, wherein, the unit of radius of curvature and thickness is millimeter (mm).Table 17 is shown available for each aspheric in embodiment 6 The high order term coefficient of face minute surface, wherein, each aspherical face type can be limited by the formula (1) provided in above-described embodiment 1.Table 18 shows The optics overall length of total effective focal length f of the pick-up lens of embodiment 6, the effective focal length f1 to f5 of each lens, pick-up lens is gone out Spend the half ImgH of effective pixel area diagonal line length on TTL and pick-up lens imaging surface S13.

Table 16

Face number

A4

A6

A8

A10

A12

A14

A16

A18

A20

S1

7.3799E-03

2.4893E-03

-1.6861E-03

2.8000E-04

1.0910E-04

-3.6239E-05

-9.0662E-06

0.0000E+00

S2

9.4031E-04

-6.6069E-03

4.9252E-03

-2.6603E-03

2.5390E-04

0.0000E+00

S3

9.5265E-04

-9.5815E-02

1.3691E-01

-1.2618E-01

6.2684E-02

-1.5418E-02

1.2432E-03

0.0000E+00

S4

-4.5325E-03

-8.3016E-03

-2.3432E-02

2.3604E-02

-1.3308E-02

3.8596E-03

-4.5369E-04

0.0000E+00

S5

-2.3265E-02

4.4086E-02

-5.9364E-02

3.6741E-02

-1.2658E-02

1.5945E-03

0.0000E+00

S6

-1.9837E-01

2.8300E-01

-3.5992E-01

2.9724E-01

-1.6084E-01

5.7080E-02

-1.3074E-02

1.7694E-03

-1.0568E-04

S7

-1.4764E-01

1.5332E-01

-1.6266E-01

1.0060E-01

-3.6619E-02

7.0344E-03

-5.4492E-04

0.0000E+00

S8

2.9384E-02

-5.3307E-03

7.0251E-05

1.6645E-04

2.4458E-05

-6.7553E-06

0.0000E+00

S9

2.1522E-02

6.6265E-04

-6.3204E-05

-1.1279E-05

8.1851E-07

0.0000E+00

S10

1.5191E-03

1.1740E-03

-6.7346E-04

8.7332E-05

-5.0294E-06

1.2242E-07

0.0000E+00

Table 17

Table 18

Figure 12 A show chromatic curve on the axle of the pick-up lens of embodiment 6, and it represents the light of different wave length via mirror Converging focal point after head deviates.Figure 12 B show the astigmatism curve of the pick-up lens of embodiment 6, and it represents meridianal image surface bending Bent with sagittal image surface.Figure 12 C show the distortion curve of the pick-up lens of embodiment 6, and it is represented in the case of different visual angles Distort sizes values.Figure 12 D show the ratio chromatism, curve of the pick-up lens of embodiment 6, its represent light via after camera lens The deviation of different image heights on imaging surface.Understand that the pick-up lens given by embodiment 6 can be real according to Figure 12 A to Figure 12 D Now good image quality.

To sum up, embodiment 1 to embodiment 6 meets the relation shown in table 19 below respectively.

Table 19

The application also provides a kind of camera device, and its electronics photo-sensitive cell can be photosensitive coupling element (CCD) or complementation Property matal-oxide semiconductor element (CMOS).Camera device can be such as digital camera independent picture pick-up device or The photographing module being integrated on the mobile electronic devices such as mobile phone, tablet personal computer.The camera device is equipped with described above Pick-up lens.

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 that the particular combination of above-mentioned technical characteristic forms Scheme, while should also cover in the case where not departing from the inventive concept, carried out by above-mentioned technical characteristic or its equivalent feature The other technical schemes for being combined and being formed.Such as features described above has similar work(with (but not limited to) disclosed herein The technical scheme that the technical characteristic of energy is replaced mutually and formed.

Claims

1. pick-up lens, sequentially included by thing side to image side along optical axis：First lens, the second lens, the 3rd lens, the 4th lens With the 5th lens, it is characterised in that

First lens have positive light coke, and its thing side is convex surface, and image side surface is concave surface；

Second lens and the 3rd lens are respectively provided with positive light coke or negative power；

4th lens have positive light coke, and its image side surface is convex surface；

5th lens have negative power, and its thing side is concave surface；

Effective half bore DT52 of the 5th lens image side surface and effective pixel area on the pick-up lens imaging surface are diagonal The half ImgH of line length meets 0.75 ＜ DT52/ImgH ＜ 1.

2. pick-up lens according to claim 1, it is characterised in that total effective focal length f of the pick-up lens with it is described The Entry pupil diameters EPD of pick-up lens meets f/EPD ＜ 1.6.

3. pick-up lens according to claim 1, it is characterised in that the effective focal length f1 of first lens takes the photograph with described As total effective focal length f of camera lens meets 1.4 ＜ f1/f ＜ 2.

4. the pick-up lens according to claim 1 or 3, it is characterised in that the radius of curvature of the first lens thing side R1 and the first lens image side surface radius of curvature R 2 meet -5 ＜ (R1+R2)/(R1-R2) ＜ -3.

5. pick-up lens according to claim 1, it is characterised in that the radius of curvature R 8 of the 4th lens image side surface with The radius of curvature R 9 of the 5th lens thing side meets 1.2 ＜ R8/R9 ＜ 3.5.

6. pick-up lens according to claim 1 or 5, it is characterised in that the radius of curvature of the 5th lens thing side R9 and the 5th lens effective focal length f5 meet 0 ＜ R9/f5 ＜ 0.8.

7. pick-up lens according to claim 1 or 5, it is characterised in that the radius of curvature of the 5th lens thing side R9 and the pick-up lens total effective focal length f meet R9/f ＞ -0.5.

8. pick-up lens according to claim 1, it is characterised in that first lens are thick in the center on the optical axis Spend CT1 and meet 0.6 ＜ CT1/CT4 ＜ 1.1 in the center thickness CT4 on the optical axis with the 4th lens.

9. pick-up lens according to claim 1, it is characterised in that the 3rd lens are thick in the center on the optical axis Spend CT3 and meet 0.8 ＜ CT3/CT5 ＜ 1.2 in the center thickness CT5 on the optical axis with the 5th lens.

10. pick-up lens according to claim 1, it is characterised in that first lens and second lens are in institute State spacing distance T23s of the spacing distance T12, second lens and the 3rd lens on optical axis on the optical axis and The spacing distance T34 of 3rd lens and the 4th lens on the optical axis meets 0.1 ＜ T34/ (T12+T23) ＜ 0.5。

11. according to the pick-up lens any one of claim 1,8 to 10, it is characterised in that the thing of first lens Distance TTL and effective pixel area diagonal on the pick-up lens imaging surface on side to the axle of the pick-up lens imaging surface Long half ImgH meets TTL/ImgH ＜ 1.6.

12. pick-up lens according to claim 1, it is characterised in that meet 0.8 ＜ SAG51/SAG52 ＜ 1.8,

Wherein, SAG51 be the 5th lens thing side and the optical axis intersection point to the thing side of the 5th lens Distance between effective half bore summit on the optical axis；And

SAG52 is the image side surface of the 5th lens and the intersection point of the optical axis to effectively the half of the image side surface of the 5th lens Distance between bore summit on the optical axis.

13. pick-up lens according to claim 1, it is characterised in that first lens are the lens of glass material, its Thermal coefficient of expansion TCE1 meets TCE1 ＜ 15 × 10^-6/℃。

14. pick-up lens, sequentially included by thing side to image side along optical axis：The first lens, the second lens with focal power, the 3rd Lens, the 4th lens and the 5th lens, it is characterised in that

The thing side of first lens is convex surface, and image side surface is concave surface；

At least one in the thing side and image side surface of second lens is convex surface；

At least one in the thing side and image side surface of 3rd lens is concave surface；

5th lens have negative power, and its thing side is concave surface, and the 5th lens meet 0.8 ＜ SAG51/SAG52 ＜ 1.8,

Wherein, SAG51 be the 5th lens thing side and the optical axis intersection point to the thing side of the 5th lens Distance between effective half bore summit on the optical axis；

15. pick-up lens according to claim 14, it is characterised in that first lens have positive light coke.

16. pick-up lens according to claim 15, it is characterised in that the effective focal length f1 of first lens with it is described Total effective focal length f of pick-up lens meets 1.4 ＜ f1/f ＜ 2.

17. pick-up lens according to claim 15, it is characterised in that the radius of curvature R 1 of the first lens thing side Meet -5 ＜ (R1+R2)/(R1-R2) ＜ -3 with the radius of curvature R 2 of the first lens image side surface.

18. pick-up lens according to claim 14, it is characterised in that total effective focal length f of the pick-up lens and institute The Entry pupil diameters EPD for stating pick-up lens meets f/EPD ＜ 1.6.

19. pick-up lens according to claim 14, it is characterised in that the thing side of first lens to the shooting Distance TTL and effective pixel area diagonal line length on the pick-up lens imaging surface half ImgH expire on the axle in lens imaging face Sufficient TTL/ImgH ＜ 1.6.

20. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that the 4th lens picture The radius of curvature R 8 of side and the radius of curvature R 9 of the 5th lens thing side meet 1.2 ＜ R8/R9 ＜ 3.5.

21. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that the 5th lens thing The radius of curvature R 9 of side and the effective focal length f5 of the 5th lens meet 0 ＜ R9/f5 ＜ 0.8.

22. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that the 5th lens thing The radius of curvature R 9 of side meets R9/f ＞ -0.5 with total effective focal length f of the pick-up lens.

23. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that first lens in Center thickness CT1 on the optical axis meets 0.6 ＜ CT1/ with the 4th lens in the center thickness CT4 on the optical axis CT4 ＜ 1.1.

24. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that the 3rd lens in Center thickness CT3 on the optical axis meets 0.8 ＜ CT3/ with the 5th lens in the center thickness CT5 on the optical axis CT5 ＜ 1.2.

25. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that first lens and Spacing distance T12, second lens and threeth lens of second lens on the optical axis are on the optical axis Spacing distance T34 on the optical axis of spacing distance T23 and the 3rd lens and the 4th lens meet 0.1 ＜ T34/ (T12+T23) ＜ 0.5.

26. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that the 5th lens picture Effective half bore DT52 of side and effective pixel area diagonal line length on the pick-up lens imaging surface half ImgH meet 0.75 ＜ DT52/ImgH ＜ 1.

27. according to the pick-up lens any one of claim 14,18 or 19, it is characterised in that first lens are The lens of glass material, its thermal coefficient of expansion TCE1 meet TCE1 ＜ 15 × 10^-6/℃。

28. pick-up lens, sequentially included by thing side to image side along optical axis：It is first lens, the second lens, the 3rd lens, the 4th saturating Mirror and the 5th lens, it is characterised in that

5th lens have negative power, and its thing side is concave surface；

Wherein, total effective focal length f of the pick-up lens and Entry pupil diameters EPD of the pick-up lens meets f/EPD ＜ 1.6；

Distance TTL and the pick-up lens imaging surface on the thing side of first lens to the axle of the pick-up lens imaging surface The half ImgH of upper effective pixel area diagonal line length meets TTL/ImgH ＜ 1.6.

29. pick-up lens according to claim 28, it is characterised in that first lens are in the center on the optical axis Thickness CT1 meets 0.6 ＜ CT1/CT4 ＜ 1.1 with the 4th lens in the center thickness CT4 on the optical axis.

30. pick-up lens according to claim 28, it is characterised in that the 3rd lens are in the center on the optical axis Thickness CT3 meets 0.8 ＜ CT3/CT5 ＜ 1.2 with the 5th lens in the center thickness CT5 on the optical axis.

31. pick-up lens according to claim 28, it is characterised in that first lens and second lens are in institute State spacing distance T23s of the spacing distance T12, second lens and the 3rd lens on optical axis on the optical axis and The spacing distance T34 of 3rd lens and the 4th lens on the optical axis meets 0.1 ＜ T34/ (T12+T23) ＜ 0.5。

32. pick-up lens according to claim 28, it is characterised in that the radius of curvature R 9 of the 5th lens thing side Meet 0 ＜ R9/f5 ＜ 0.8 with the effective focal length f5 of the 5th lens.

33. pick-up lens according to claim 28, it is characterised in that the radius of curvature R 9 of the 5th lens thing side Meet R9/f ＞ -0.5 with total effective focal length f of the pick-up lens.

34. according to the pick-up lens any one of claim 28,32 or 33, it is characterised in that the 4th lens picture The radius of curvature R 8 of side and the radius of curvature R 9 of the 5th lens thing side meet 1.2 ＜ R8/R9 ＜ 3.5.

35. pick-up lens according to claim 28, it is characterised in that the radius of curvature R 1 of the first lens thing side Meet -5 ＜ (R1+R2)/(R1-R2) ＜ -3 with the radius of curvature R 2 of the first lens image side surface.

36. the pick-up lens according to claim 28 or 35, it is characterised in that the effective focal length f1 of first lens with Total effective focal length f of the pick-up lens meets 1.4 ＜ f1/f ＜ 2.

37. pick-up lens according to claim 28, it is characterised in that effective half bore of the 5th lens image side surface DT52 and effective pixel area diagonal line length on the pick-up lens imaging surface half ImgH meet 0.75 ＜ DT52/ImgH ＜ 1。

38. the pick-up lens according to claim 28 or 37, it is characterised in that meet 0.8 ＜ SAG51/SAG52 ＜ 1.8,

39. pick-up lens according to claim 28, it is characterised in that first lens are the lens of glass material, Its thermal coefficient of expansion TCE1 meets TCE1 ＜ 15 × 10^-6/℃。