CN205485012U

CN205485012U - Miniature pickup lens

Info

Publication number: CN205485012U
Application number: CN201520974899.7U
Authority: CN
Inventors: 闻人建科; 黄林; 戴付建
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2015-09-17
Filing date: 2015-11-30
Publication date: 2016-08-17
Anticipated expiration: 2025-11-30
Also published as: CN105259643A; CN105116517A; CN105259643B

Abstract

The utility model discloses a miniature pickup lens, it is included by thing side to picture side in proper order: first lens, the second lens, the thing side of second lens is the convex surface, and the picture side of second lens is the concave surface, the third lens, the thing side of third lens is the concave surface, and the picture side of third lens is the convex surface, the fourth lens, the thing side of fourth lens is the concave surface, the 5th lens, the picture side of the 5th lens is located to the convex surface at the paraxial, VI lenses, VI lenses's thing side is located to the concave surface at the paraxial, and VI lenses's picture side is located to the concave surface at the paraxial, miniature pickup lens satisfies the following formula: - 2.5< (F1+f2, ) f< - 1.0, 0.65 is less than or equal to ET5minCT5 is less than or equal to 0.95, wherein, f is miniature pickup lens's effective focal length, and f1 is the effective focal length of first lens, and f2 is the effective focal length of second lens, the minimum edge that ET5min is the 5th lens is the central thickness of the 5th lens along thickness, CT5. Above -mentioned miniature pickup lens can effectively reduce the camera lens size, improves camera lens resolution power.

Description

Micro pick-up lens

Technical field

This utility model relates to a kind of camera technique field, particularly relates to a kind of miniaturized electronic devices that can be applicable to Micro pick-up lens.

Background technology

At present, the photo-sensitive cell of general optical system is nothing more than being photosensitive coupling element (CCD) or Complimentary Metal-Oxide Semiconductor element (CMOS) two kinds.Along with the development of chip technology, the Pixel Dimensions of photo-sensitive cell constantly reduces so that be mounted in Pick-up lens on the portable type electronic products such as mobile phone, flat board or digital camera is the most gradually sent out toward fields such as high pixel and miniaturizations Exhibition.

The pick-up lens of main flow is typically made up of five lens at present, but, the pick-up lens of five lens compositions is It is difficult to meet higher pixel and higher-quality parsing requirement.

Utility model content

This utility model embodiment is intended at least to solve one of technical problem present in prior art.To this end, this practicality New embodiment needs to provide a kind of micro pick-up lens.

A kind of micro pick-up lens, is included to image side successively by thing side:

There are the first lens of positive refracting power；

Having the second lens of negative refracting power, the thing side of these the second lens is convex surface, and the image side surface of these the second lens is Concave surface；

Having the 3rd lens of negative refracting power, the thing side of the 3rd lens is concave surface, and the image side surface of the 3rd lens is Convex surface；

Having the 4th lens of refracting power, the thing side of the 4th lens is concave surface；

Having the 5th lens of positive refracting power, the image side surface of the 5th lens is convex surface at paraxial place；

Having the 6th lens of negative refracting power, the thing side of the 6th lens is concave surface at paraxial place, the 6th lens Image side surface is concave surface at paraxial place；

This micro pick-up lens meets following relationship :-2.5 < (f1+f2)/f <-1.0；0.65≦ET5min/CT5≦ 0.95；Wherein, f is the effective focal length of this micro pick-up lens, and f1 is the effective focal length of these the first lens, and f2 is these second lens Effective focal length；ET5min is the minimum edge thickness of the 5th lens, and CT5 is the center thickness of the 5th lens.

Above-mentioned micro pick-up lens can effectively reduce Lens, it is achieved ultra-thin, it is also possible to effectively revises distortion, balances micro- Each aberration of type pick-up lens, improves camera lens resolution.

In one embodiment, this micro pick-up lens meets following relationship: 2.7 < T23/T34 < 4.0；Wherein, T23 For spacing on the axle between these the second lens and the 3rd lens, T34 is on the axle between the 3rd lens and the 4th lens Spacing.

In one embodiment, this micro pick-up lens meets following relationship: 1.3 < f/R12 < 2.1；Wherein, R12 is The radius of curvature of the image side surface of the 6th lens.

In one embodiment, this micro pick-up lens meets following relationship: 0.15 < T56/Dr9r12 < 0.35；Its In, T56 is spacing on the axle between the 5th lens and the 6th lens, Dr9r12 be the 5th lens thing side to this Spacing on the axle of the image side surface of six lens.

In one embodiment, this micro pick-up lens meets following relationship: TTL/ImgH 1.6；Wherein, TTL is The lens overall length of this micro pick-up lens, ImgH is the half of the diagonal line length of effective pixel area on imaging surface.

In one embodiment, the thing side of the 4th lens is sphere.

In one embodiment, this micro pick-up lens meets following relationship: 0 < f/f5 < 0.4；-1.45<f/f6<0； Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.

In one embodiment, this micro pick-up lens meets following relationship :-10 < f/R10 < 0；Wherein, R10 is for being somebody's turn to do The radius of curvature of the image side surface of the 5th lens.

In one embodiment, the thing side of these the first lens is convex surface, and the image side surface of these the first lens is concave surface.

The additional aspect of this utility model embodiment and advantage will part be given in the following description, and part will be from following Description in become obvious, or recognized by the practice of this utility model embodiment.

Accompanying drawing explanation

Embodiment is retouched by the above-mentioned and/or additional aspect of this utility model embodiment and advantage from combining accompanying drawings below Will be apparent from easy to understand in stating, wherein:

Fig. 1 is the structural representation of the micro pick-up lens of embodiment 1；

Fig. 2 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 1；Fig. 3 is the micro pick-up lens of embodiment 1 Astigmatism figure (mm)；Fig. 4 is the distortion figure (%) of the micro pick-up lens of embodiment 1；

Fig. 5 is the structural representation of the micro pick-up lens of embodiment 2；

Fig. 6 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 2；Fig. 7 is the micro pick-up lens of embodiment 2 Astigmatism figure (mm)；Fig. 8 is the distortion figure (%) of the micro pick-up lens of embodiment 2；

Fig. 9 is the structural representation of the micro pick-up lens of embodiment 3；

Figure 10 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 3；Figure 11 is the miniature video camera mirror of embodiment 3 The astigmatism figure (mm) of head；Figure 12 is the distortion figure (%) of the micro pick-up lens of embodiment 3；

Figure 13 is the structural representation of the micro pick-up lens of embodiment 4；

Figure 14 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 4；Figure 15 is the miniature video camera mirror of embodiment 4 The astigmatism figure (mm) of head；Figure 16 is the distortion figure (%) of the micro pick-up lens of embodiment 4；

Figure 17 is the structural representation of the micro pick-up lens of embodiment 5；

Figure 18 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 5；Figure 19 is the miniature video camera mirror of embodiment 5 The astigmatism figure (mm) of head；Figure 20 is the distortion figure (%) of the micro pick-up lens of embodiment 5；

Figure 21 is the structural representation of the micro pick-up lens of embodiment 6；

Figure 22 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 6；Figure 23 is the miniature video camera mirror of embodiment 6 The astigmatism figure (mm) of head；Figure 24 is the distortion figure (%) of the micro pick-up lens of embodiment 6；

Figure 25 is the structural representation of the micro pick-up lens of embodiment 7；

Figure 26 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 7；Figure 27 is the miniature video camera mirror of embodiment 7 The astigmatism figure (mm) of head；Figure 28 is the distortion figure (%) of the micro pick-up lens of embodiment 7；

Figure 29 is the structural representation of the micro pick-up lens of embodiment 8；

Figure 30 is chromaticity difference diagram (mm) on the axle of the micro pick-up lens of embodiment 8；Figure 31 is the miniature video camera mirror of embodiment 8 The astigmatism figure (mm) of head；Figure 32 is the distortion figure (%) of the micro pick-up lens of embodiment 8.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, and is only used for explaining this utility model, and it is not intended that to of the present utility model Limit.

In description of the present utility model, it is to be understood that term " first ", " second " are only used for describing purpose, and It is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define The feature of " first ", " second " can express or implicitly include one or more described features.At this utility model Description in, " multiple " are meant that two or more, unless otherwise expressly limited specifically.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be to electrically connect maybe can be in communication with each other；Can be to be joined directly together, it is also possible in by Between medium be indirectly connected to, can be two element internals connection or the interaction relationship of two elements.For this area For those of ordinary skill, above-mentioned term concrete meaning in this utility model can be understood as the case may be.

Following disclosure provides many different embodiments or example for realizing different structure of the present utility model.For Simplification disclosure of the present utility model, hereinafter to the parts of specific examples be set for describing.Certainly, they the most only show Example, and be not intended to limit this utility model.Additionally, this utility model can in different examples repeat reference numerals And/or reference letter, this repetition is for purposes of simplicity and clarity, itself do not indicate discussed various embodiment and/ Or the relation between setting.Additionally, the various specific technique that provides of this utility model and the example of material, but this area Those of ordinary skill is it can be appreciated that the application of other techniques and/or the use of other materials.

Refer to Fig. 1, the micro pick-up lens of this utility model embodiment, thing side include successively to image side:

There is the first lens E1 of positive refracting power；

Having the second lens E2 of negative refracting power, the thing side S3 of the second lens E2 is convex surface, the image side of the second lens E2 Face S4 is concave surface；

Having the 3rd lens E3 of negative refracting power, the thing side S5 of the 3rd lens E3 is concave surface, the image side of the 3rd lens E3 Face S6 is convex surface；

Having the 4th lens E4 of refracting power, the thing side S7 of the 4th lens E4 is concave surface；

Having the 5th lens E5 of positive refracting power, the image side surface S10 of the 5th lens E5 is convex surface at paraxial place；

Having the 6th lens E6 of negative refracting power, the thing side S11 of the 6th lens E6 is concave surface at paraxial place, the 6th lens The image side surface S12 of E6 is concave surface at paraxial place.

Described micro pick-up lens meets following relationship :-2.5 < (f1+f2)/f <-1.0；0.65≦ET5min/CT5≦ 0.95；

Wherein, f is the effective focal length of micro pick-up lens, and f1 is the effective focal length of the first lens E1, and f2 is the second lens The effective focal length of E2；ET5min is the minimum edge thickness of the 5th lens E5, and CT5 is the center thickness of the 5th lens E5.

The micro pick-up lens meeting above-mentioned configuration can effectively reduce Lens, it is achieved ultra-thin, the most effectively revises abnormal Become, balance each aberration of system, improve camera lens resolution.

It is preferred that described micro pick-up lens meets following relationship: 2.7 < T23/T34 < 4.0；

Wherein, T23 is spacing on the axle between the second lens E2 and the 3rd lens E3, and T34 is the 3rd lens E3 and the 4th Spacing on axle between lens E4.

Meet above formula requirement micro pick-up lens can spacing between each lens of active balance, beneficially lens assemble, fall The sensitivity of low camera lens.

It is preferred that described micro pick-up lens meets following relationship: 1.3 < f/R12 < 2.1；

Wherein, f is the effective focal length of micro pick-up lens, and R12 is the radius of curvature of the image side surface of the 6th lens E6.

The micro pick-up lens meeting above formula requirement is conducive to improving edge relative luminance, and the brightness making whole image planes is equal Even, meet the requirement of the high resolution of micro pick-up lens.

It is preferred that described micro pick-up lens meets following relationship: 0.15 < T56/Dr9r12 < 0.35；

Wherein, T56 is spacing on the axle between the 5th lens E5 and the 6th lens E6, and Dr9r12 is the thing of the 5th lens E5 Side is to spacing on the axle of the image side surface of the 6th lens E6.

The micro pick-up lens meeting above formula requirement is conducive to reducing the total length of camera lens, it is ensured that the miniaturization of camera lens.

It is preferred that described micro pick-up lens meets following relationship: TTL/ImgH 1.6；

Wherein, TTL is the lens overall length of micro pick-up lens, and ImgH is the diagonal line length of effective pixel area on imaging surface Half.

Meet above formula requirement and be conducive to reducing the volume of camera lens, be further ensured that camera lens meets ultra-thin requirement.

During it is preferred that the thing side S7 of the 4th lens E4 is sphere, it is easy to molding, beneficially machining eyeglass, reduces camera lens Sensitivity.

It is preferred that described micro pick-up lens meets following relationship: 0 < f/f5 < 0.4；-1.45<f/f6<0；

Wherein, f is the effective focal length of micro pick-up lens, and f5 is the effective focal length of the 5th lens E5, and f6 is the 6th lens The effective focal length of E6.

The micro pick-up lens meeting above formula requirement is conducive to the focal power of reasonable distribution system, effective update the system picture Difference, promotes image quality.

It is preferred that described micro pick-up lens meets following relationship :-10 < f/R10 < 0；

Wherein, f is the effective focal length of micro pick-up lens, and R10 is the radius of curvature of the image side surface of the 5th lens E5.

The micro pick-up lens meeting above formula requirement can effectively revise distortion, and is conducive to reducing the marginal aberration of camera lens, Improve camera lens resolution.

It is preferred that the thing side S1 of the first lens E1 is convex surface, the image side surface S2 of the first lens E1 is concave surface.

Meeting the above requirement to lens shape, micro pick-up lens can reduce the volume of camera lens further, make camera lens tie Structure relative compact, reduces the sensitivity of camera lens, promotes the relative illumination of lens edge, it is ensured that the resolution of camera lens simultaneously.

During imaging, light through after six-element lens after there is the optical filter E7 of thing side surface S13 and surface, image side S14 Image in imaging surface S15.

In certain embodiments, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5 And the 6th lens E6 be all non-spherical lens.

Aspheric shape is determined by below equation:

x = \frac{{ch}^{2}}{1 + \sqrt{1 - (k + 1) c^{2} h^{2}}} + {ΣAih}^{i}

Wherein, h is that in aspheric surface, arbitrary point is vertex curvature to the height of optical axis, c, and k is conic constants, and Ai is aspheric surface The correction factor on the i-th-th rank.

Embodiment 1

Incorporated by reference to Fig. 1～Fig. 4, in embodiment 1, micro pick-up lens meets table 1 below and the condition of table 2:

Table 1

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2617	--	--
						S1	Aspheric surface	1.6276	0.8679	1.544/56.11	-1.0015
S2	Aspheric surface	24.0307	0.0480	--	99.9900
						S3	Aspheric surface	15.9191	0.2332	1.651/21.52	-99.9900
S4	Aspheric surface	4.0685	0.5021	--	0.7738
						S5	Aspheric surface	-8.6372	0.5731	1.544/56.11	54.2838
S6	Aspheric surface	-17.7461	0.1307	--	87.1587
						S7	Sphere	-3.0194	0.3477	1.544/56.11	0
S8	Aspheric surface	-1.5368	0.1718	--	-9.1948
						S9	Aspheric surface	-24.5018	0.6573	1.651/21.52	-24.1615
S10	Aspheric surface	-9.1596	0.2333	--	-99.9900
						S11	Aspheric surface	-8.6501	0.3700	1.544/56.11	0.0905
S12	Aspheric surface	2.1394	0.1697	--	-21.5911
						S13	Sphere	Infinite	0.2264	1.517/64.17	--
S14	Sphere	Infinite	0.5874	--	--
						S15	Sphere	Infinite	--	--	--

Table 2

It addition, f1=3.15mm；F2=-8.39mm；F3=-31.52mm；F4=5.29mm；F5=21.91mm；F6=- 3.10mm and f=4.30mm；TTL=5.12mm；Fno=2.2.

Embodiment 2

Incorporated by reference to Fig. 5～Fig. 8, in embodiment 2, micro pick-up lens meets table 3 below and the condition of table 4:

Table 3

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2617	--	--
						S1	Aspheric surface	1.5089	0.6194	1.544/56.11	-0.8295
S2	Aspheric surface	7.7270	0.0459	--	7.2985
						S3	Aspheric surface	5.7619	0.2300	1.651/21.52	-30.6693
S4	Aspheric surface	3.2149	0.3765	--	0.6121

S5	Aspheric surface	-8.0512	0.5689	1.544/56.11	54.6544
						S6	Aspheric surface	-15.5462	0.1338	--	93.5856
S7	Sphere	-3.2618	0.3982	1.544/56.11	0
						S8	Aspheric surface	-1.4580	0.1643	--	-7.4052
S9	Aspheric surface	16.6889	0.4519	1.651/21.52	-99.9900
						S10	Aspheric surface	-22.8382	0.2695	--	94.1167
S11	Aspheric surface	-7.1016	0.3300	1.544/56.11	-9.5850
						S12	Aspheric surface	2.0745	0.1697	--	-16.5872
S13	Sphere	Infinite	0.2264	1.517/64.17	--
						S14	Sphere	Infinite	0.6155	--	--
S15	Sphere	Infinite	--	--	--

Table 4

It addition, f1=3.32mm；F2=-11.49mm；F3=-31.43mm；F4=4.48mm；F5=14.76mm；f6 =-2.90mm and f=3.77mm；TTL=4.60mm；Fno=2.2.

Embodiment 3

Incorporated by reference to Fig. 9～Figure 12, in embodiment 3, micro pick-up lens meets table 5 below and the condition of table 6:

Table 5

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2499	--	--
						S1	Aspheric surface	1.4511	0.4859	1.544/56.11	-0.8037
S2	Aspheric surface	9.4881	0.0424	--	15.9464
						S3	Aspheric surface	7.1810	0.2500	1.651/21.52	-26.6219
S4	Aspheric surface	2.9917	0.3569	--	-0.9657
						S5	Aspheric surface	-8.8916	0.3000	1.651/21.52	98.9670
S6	Aspheric surface	-13.3906	0.1063	--	99.6578
						S7	Aspheric surface	-181.8817	0.4000	1.544/56.11	-94.1139
S8	Aspheric surface	55.7473	0.2654	--	-14.3488
						S9	Aspheric surface	50.7127	0.5407	1.544/56.11	-28.4893
S10	Aspheric surface	-1.1866	0.3684	--	-6.6835
						S11	Aspheric surface	-1.8262	0.3600	1.544/56.11	-10.6267
S12	Aspheric surface	2.1796	0.1621	--	-28.6174
						S13	Sphere	Infinite	0.2142	1.517/64.17	--
S14	Sphere	Infinite	0.6327	--	--
						S15	Sphere	Infinite	--	--	--

Table 6

It addition, f1=3.07mm；F2=-8.0mm；F3=-41.41mm；F4=-78.11mm；F5=2.13mm；F6=- 1.76mm and f=3.71mm；TTL=4.48mm；Fno=2.2.

Embodiment 4

Incorporated by reference to Figure 13～Figure 16, in embodiment 4, micro pick-up lens meets table 7 below and the condition of table 8:

Table 7

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2379	--	--
						S1	Aspheric surface	1.4009	0.6546	1.544/56.11	-0.9422
S2	Aspheric surface	5.8567	0.0360	--	-94.5525
						S3	Aspheric surface	5.7086	0.2500	1.651/21.52	-66.3687
S4	Aspheric surface	3.2093	0.4374	--	5.5452
						S5	Aspheric surface	-9.1175	0.4162	1.544/56.11	58.4355
S6	Aspheric surface	-11.3801	0.1318	--	84.7882
						S7	Sphere	-2.4966	0.4000	1.544/56.11	0
S8	Aspheric surface	-1.3216	0.1457	--	-7.9932
						S9	Aspheric surface	Infinite	0.4159	1.651/21.52	-18.6855
S10	Aspheric surface	-526.2110	0.2699	--	-11.5382
						S11	Aspheric surface	-7.2888	0.3715	1.544/56.11	-3.5773

S12	Aspheric surface	2.4097	0.1543	--	-25.5868
						S13	Sphere	Infinite	0.2058	1.517/64.17	--
S14	Sphere	Infinite	0.5926	--	--
						S15	Sphere	Infinite	--	--	--

Table 8

It addition, f1=3.21mm；F2=-11.63mm；F3=-89.83mm；F4=4.59mm；F5=801.7mm；f6 =-3.27mm and f=3.82mm；TTL=4.48mm；Fno=2.2.

Embodiment 5

Incorporated by reference to Figure 17～Figure 20, in embodiment 5, micro pick-up lens meets table 9 below and the condition of table 10:

Table 9

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2379	--	--
						S1	Aspheric surface	1.4009	0.6546	1.544/56.11	-0.9422

S2	Aspheric surface	5.8567	0.0360	--	-94.5525
						S3	Aspheric surface	5.7086	0.2500	1.651/21.52	-66.3687
S4	Aspheric surface	3.2093	0.4374	--	5.5452
						S5	Aspheric surface	-9.1175	0.4162	1.544/56.11	58.4355
S6	Aspheric surface	-11.3801	0.1318	--	84.7882
						S7	Sphere	-2.4966	0.4000	1.544/56.11	0
S8	Aspheric surface	-1.3216	0.1457	--	-7.9932
						S9	Aspheric surface	728.0209	0.4159	1.651/21.52	-18.6855
S10	Aspheric surface	-526.2110	0.2699	--	-11.5382
						S11	Aspheric surface	-7.2888	0.3715	1.544/56.11	-3.5773
S12	Aspheric surface	2.4097	0.1543	--	-25.5868
						S13	Sphere	Infinite	0.2058	1.517/64.17	--
S14	Sphere	Infinite	0.5926	--	--
						S15	Sphere	Infinite	--	--	--

Table 10

It addition, f1=3.21mm；F2=-11.63mm；F3=-89.83mm；F4=4.59mm；F5=465.41mm；f6 =-3.27mm and f=3.81mm；TTL=4.48mm；Fno=2.2.

Embodiment 6

Incorporated by reference to Figure 21～Figure 24, in embodiment 6, micro pick-up lens meets table 11 below and the condition of table 12:

Table 11

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2379	--	--
						S1	Aspheric surface	1.4608	0.7213	1.544/56.11	-1.0041
S2	Aspheric surface	10.9085	0.0472	--	-46.6786
						S3	Aspheric surface	10.2457	0.2300	1.651/21.52	-16.1199
S4	Aspheric surface	3.6649	0.4208	--	4.8879
						S5	Aspheric surface	-8.6013	0.4819	1.544/56.11	58.8129
S6	Aspheric surface	-13.2357	0.1338	--	89.5142
						S7	Sphere	-2.4921	0.3300	1.544/56.11	0
S8	Aspheric surface	-1.3723	0.1659	--	-7.7016
						S9	Aspheric surface	152.3362	0.4604	1.651/21.52	-18.6855
S10	Aspheric surface	-21.2372	0.2359	--	-11.5382
						S11	Aspheric surface	-6.4141	0.4200	1.544/56.11	-3.5773
S12	Aspheric surface	2.3180	0.1543	--	-25.5868
						S13	Sphere	Infinite	0.2058	1.517/64.17	--
S14	Sphere	Infinite	0.5925	--	--
						S15	Sphere	Infinite	--	--	--

Table 12

It addition, f1=3.01mm；F2=-8.82mm；F3=-46.71mm；F4=5.07mm；F5=28.43mm；F6=- 3.07mm and f=3.90mm；TTL=4.60mm；Fno=2.2.

Embodiment 7

Incorporated by reference to Figure 25～Figure 28, in embodiment 7, micro pick-up lens meets table 13 below and the condition of table 14:

Table 13

Surface number	Surface type	Radius of curvature	Thickness	Refractive index/Abbe number	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite	--	--
STO	Sphere	Infinite	-0.2617	--	--
						S1	Aspheric surface	1.6648	0.8245	1.544/56.11	-1.0539
S2	Aspheric surface	28.3709	0.0366	--	-99.9900
						S3	Aspheric surface	8.1376	0.2300	1.651/21.52	-70.5280
S4	Aspheric surface	3.1391	0.4250	--	-3.1182
						S5	Aspheric surface	-10.9821	0.5687	1.544/56.11	49.0623
S6	Aspheric surface	-31.8154	0.1209	--	28.2434
						S7	Sphere	-3.7269	0.3944	1.544/56.11	0
S8	Aspheric surface	-1.6986	0.1578	--	-8.5881
						S9	Aspheric surface	9.8994	0.6296	1.544/56.11	-63.7885

S10	Aspheric surface	-37.6910	0.2870	--	42.2758
						S11	Aspheric surface	-6.6560	0.3300	1.544/56.11	1.9279
S12	Aspheric surface	2.4771	0.1697	--	-24.5806
						S13	Sphere	Infinite	0.2264	1.517/64.17	--
S14	Sphere	Infinite	0.5694	--	--
						S15	Sphere	Infinite	--	--	--

Table 14

It addition, f1=3.20mm；F2=-7.93mm；F3=-31.02mm；F4=5.35mm；F5=14.43mm；F6=- 3.27mm and f=4.02mm；TTL=4.97mm；Fno=2.2.

Embodiment 8

Incorporated by reference to Figure 29～Figure 32, in embodiment 8, micro pick-up lens meets table 15 below and the condition of table 16:

Table 15

Table 16

It addition, f1=3.17mm；F2=-9.13mm；F3=-81.66mm；F4=4.97mm；F5=21.11mm；F6=- 3.09mm and f=3.82mm；TTL=4.46mm；Fno=2.2.

In embodiment 1～8, each conditional meets the condition of table below:

Formula embodiment	1	2	3	4	5	6	7	8
									(f1+f2)/f	-1.22	-2.17	-1.33	-2.21	-2.21	-1.49	-1.18	-1.56
ET5min/CT5	0.95	0.90	0.67	0.95	0.95	0.94	0.92	0.90
									T23/T34	3.84	2.81	3.36	3.32	3.32	3.14	3.51	2.80
f/R12	2.01	1.82	1.70	1.58	1.58	1.68	1.62	1.73
									T56/Dr9r12	0.19	0.26	0.29	0.26	0.26	0.21	0.23	0.30
TTL/ImgH	1.55	1.40	1.36	1.37	1.37	1.40	1.51	1.36
									f/f5	0.20	0.26	1.74	0.005	0.01	0.14	0.28	0.18
f/f6	-1.38	-1.30	-2.10	-1.17	-1.16	-1.27	-1.23	-1.24
									f/R10	-0.47	-0.17	-3.13	-0.01	-0.01	-0.18	-0.11	-0.01

It should be noted that owing in embodiment 3, the thing side S7 of the 4th lens E4 is aspheric surface, its focal power number Value is big with the comparison in difference of other embodiments, and therefore, the numerical range that conditional f/f5, f/f6 and f/R10 are limited is inapplicable In embodiment 3.

In the description of this specification, reference term " embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " concrete example " or " some examples " etc. means to combine described embodiment or example describes specific features, Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned The schematic representation of term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material Or feature can combine in any one or more embodiments or example in an appropriate manner.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two Individual, three etc., unless otherwise expressly limited specifically.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model In above-described embodiment can be changed, revise, replace and modification.

Claims

1. a micro pick-up lens, it is characterised in that included successively to image side by thing side:

There are the first lens of positive refracting power；

Having the 6th lens of negative refracting power, the thing side of the 6th lens is concave surface at paraxial place, the image side of the 6th lens Face is concave surface at paraxial place；

This micro pick-up lens meets following relationship:

-2.5<(f1+f2)/f<-1.0；

0.65≦ET5min/CT5≦0.95；

Wherein, f is the effective focal length of this micro pick-up lens, and f1 is the effective focal length of these the first lens, and f2 is these second lens Effective focal length；ET5min is the minimum edge thickness of the 5th lens, and CT5 is the center thickness of the 5th lens.

2. micro pick-up lens as claimed in claim 1, it is characterised in that this micro pick-up lens meets following relationship:

2.7<T23/T34<4.0；

Wherein, T23 is spacing on the axle between these the second lens and the 3rd lens, and T34 is that the 3rd lens are saturating with the 4th Spacing on axle between mirror.

3. micro pick-up lens as claimed in claim 1, it is characterised in that this micro pick-up lens meets following relationship:

1.3<f/R12<2.1；

Wherein, R12 is the radius of curvature of image side surface of the 6th lens.

4. micro pick-up lens as claimed in claim 1, it is characterised in that this micro pick-up lens meets following relationship:

0.15<T56/Dr9r12<0.35；

Wherein, T56 is spacing on the axle between the 5th lens and the 6th lens, and Dr9r12 is the thing side of the 5th lens Spacing to the axle of the image side surface of the 6th lens.

5. micro pick-up lens as claimed in claim 1, it is characterised in that this micro pick-up lens meets following relationship:

TTL/ImgH≦1.6；

Wherein, TTL is the lens overall length of this micro pick-up lens, and ImgH is the diagonal line length of effective pixel area on imaging surface Half.

6. micro pick-up lens as claimed in claim 1, it is characterised in that the thing side of the 4th lens is sphere.

7. micro pick-up lens as claimed in claim 6, it is characterised in that this micro pick-up lens meets following relationship:

0<f/f5<0.4；

-1.45<f/f6<0；

Wherein, f5 is the effective focal length of the 5th lens, and f6 is the effective focal length of the 6th lens.

8. micro pick-up lens as claimed in claim 6, it is characterised in that this micro pick-up lens meets following relationship:

-10<f/R10<0；

Wherein, R10 is the radius of curvature of image side surface of the 5th lens.

9. the micro pick-up lens as according to any one of claim 1～8, it is characterised in that the thing side of these the first lens For convex surface, the image side surface of these the first lens is concave surface.