CN105892020A

CN105892020A - Wide-angle imaging lens

Info

Publication number: CN105892020A
Application number: CN201610356105.XA
Authority: CN
Inventors: 卢建龙; 贾远林; 戴付建
Original assignee: Zhejiang Sunny Optics Co Ltd
Current assignee: Zhejiang Sunny Optics Co Ltd
Priority date: 2016-05-25
Filing date: 2016-05-25
Publication date: 2016-08-24
Anticipated expiration: 2036-05-25
Also published as: CN105892020B

Abstract

The invention discloses a wide-angle imaging lens. The wide-angle imaging lens comprises a first lens having negative refraction power, a second lens having refraction power, a third lens having positive refraction power, a fourth lens having positive refraction power, a fifth lens having negative refraction power, and a sixth lens having refraction power which are sequentially distributed from the object side to the image side; the image side surface of the first lens is a concave surface and is made of plastics; the object side surface of the second lens is a convex surface; the image side surface of the second lens is a concave surface; the image side surface of the third lens is a convex surface; the image side surface of the fourth lens is a convex surface; and the object side surface of the sixth lens is a convex surface. The wide-angle imaging lens satisfies the condition that 1.1<f1/f4<0, wherein f1 is the effective focal length of the first lens, and f4 is the effective focal length of the fourth lens. The wide-angle imaging lens of the invention is small in size, can maintain high image quality and has a super wide field of view.

Description

Wide-angle image camera lens

Technical field

The present invention relates to optical image technology, particularly to a kind of wide-angle image camera lens.

Background technology

At present, the photo-sensitive cell of optical imaging system include charge coupled device (charge-coupled device, CCD) or Complimentary Metal-Oxide semiconductor element (complementary metal-oxide semiconductor, CMOS) image sensing Device.Along with the development of manufacture of semiconductor technology, the Pixel Dimensions of photo-sensitive cell is more and more less, and imaging lens also needs accordingly There is less size and higher image quality.Meanwhile, increasingly wider, to bat along with the application of imaging lens The range requirement taken the photograph is more and more wider.Therefore, in order to meet the requirement of Wide-angle, increase lens number typically can be used, But this miniaturization being unfavorable for camera lens and lightweight；Along with the increase of angle, off-axis aberration also sharply increases, and is unfavorable for Improve image quality；The height of incidence of light is more beneficial for the correction of off-axis aberration simultaneously, and height of incidence is embodied in eyeglass chi On very little, therefore miniaturization is unfavorable for expanding the angle of visual field.

Summary of the invention

It is contemplated that at least solve one of technical problem present in prior art.To this end, the present invention needs to provide one Wide-angle image camera lens.

The wide-angle image camera lens of embodiment of the present invention includes to image side successively from thing side:

Having the first lens of negative refracting power, its image side surface is concave surface, and employing material is plastics；

Having the second lens of refracting power, its thing side is convex surface, and image side surface is concave surface；

Having the 3rd lens of positive refracting power, its image side surface is convex surface；

Having the 4th lens of positive refracting power, its image side surface is convex surface；

There are the 5th lens of negative refracting power；And

Having the 6th lens of refracting power, its thing side is convex surface.

Described wide-angle image camera lens meets conditional:

-1.1<f1/f4<0；

Wherein, f1 is the effective focal length of described first lens, and f4 is the effective focal length of described 4th lens.

In some embodiments, described wide-angle image camera lens meets conditional:

1<DT11/DT62<1.6；

Wherein, DT11 is the effective radius of the thing side of described first lens, and DT62 is having of the image side surface of described 6th lens Effect radius.

In some embodiments, described wide-angle image camera lens meets conditional:

0.5<DT21/DT52<1.1；

Wherein, DT21 is the effective radius of the thing side of described second lens, and DT52 is having of the image side surface of described 5th lens Effect radius.

In some embodiments, described first lens thing side is convex surface, and described wide-angle image camera lens meets conditional:

0<R1/R4<4；

Wherein, R1 is the radius of curvature of the thing side of described first lens, and R4 is the curvature half of the image side surface of described second lens Footpath.

In some embodiments, described wide-angle image camera lens meets conditional:

0<SAG11/SAG12<0.6；

Wherein, SAG11 is intersection point thing side effective to described first lens of the thing side of described first lens and optical axis Distance on axle between radius summit, SAG12 is image side surface and intersection point extremely described first lens of optical axis of described first lens Image side surface effective radius summit between axle on distance.

In some embodiments, described wide-angle image camera lens meets conditional:

0.8<CT3/CT4<1.6；

Wherein, CT3 is described 3rd lens center thicknesses on optical axis, and CT4 is described 4th lens centers on optical axis Thickness.

In some embodiments, described wide-angle image camera lens meets conditional:

-3.5<f12/f<-2；

Wherein, f12 is the synthesis focal length of described first lens and described second lens；F is the effective burnt of described wide-angle image camera lens Away from.

In some embodiments, described wide-angle image camera lens meets conditional:

0<T45/T56<1；

Wherein, T45 is spacing distance on the axle of described 4th lens and described 5th lens, and T56 is described 5th lens and institute State spacing distance on the axle of the 6th lens.

In some embodiments, described wide-angle image camera lens meets conditional:

0.25mm^-1<ImgH/(f*TTL)<0.5mm^-1；

Wherein, ImgH is the half of effective pixel area diagonal line length on imaging surface；F is the effective burnt of described wide-angle image camera lens Away from；TTL is that described first lens thing side is to distance on the axle of imaging surface.

The wide-angle image camera lens of embodiment of the present invention has the advantage that size is little, ultra-wide angle, pixel are high.

The additional aspect of the present invention and advantage will part be given in the following description, and part will become bright from the following description Aobvious, or recognized by the practice of the present invention.

Accompanying drawing explanation

Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:

Fig. 1 is the schematic diagram of the wide-angle image camera lens of embodiment 1；

Fig. 2 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 1；Fig. 3 is the wide-angle image mirror of embodiment 1 The astigmatism figure (mm) of head；Fig. 4 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 1；

Fig. 5 is the schematic diagram of the wide-angle image camera lens of embodiment 2；

Fig. 6 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 2；Fig. 7 is the wide-angle image mirror of embodiment 2 The astigmatism figure (mm) of head；Fig. 8 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 2；

Fig. 9 is the schematic diagram of the wide-angle image camera lens of embodiment 3；

Figure 10 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 3；Figure 11 is the wide-angle image of embodiment 3 The astigmatism figure (mm) of camera lens；Figure 12 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 3；

Figure 13 is the schematic diagram of the wide-angle image camera lens of embodiment 4；

Figure 14 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 4；Figure 15 is the wide-angle image of embodiment 4 The astigmatism figure (mm) of camera lens；Figure 16 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 4；

Figure 17 is the schematic diagram of the wide-angle image camera lens of embodiment 5；

Figure 18 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 5；Figure 19 is the wide-angle image of embodiment 5 The astigmatism figure (mm) of camera lens；Figure 20 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 5；

Figure 21 is the schematic diagram of the wide-angle image camera lens of embodiment 6；

Figure 22 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 6；Figure 23 is the wide-angle image of embodiment 6 The astigmatism figure (mm) of camera lens；Figure 24 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 6；

Figure 25 is the schematic diagram of the wide-angle image camera lens of embodiment 7；

Figure 26 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 7；Figure 27 is the wide-angle image of embodiment 7 The astigmatism figure (mm) of camera lens；Figure 28 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 7；

Figure 29 is the schematic diagram of the wide-angle image camera lens of embodiment 8；

Figure 30 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 8；Figure 31 is the wide-angle image of embodiment 8 The astigmatism figure (mm) of camera lens；Figure 32 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 8；

Figure 33 is the schematic diagram of the wide-angle image camera lens of embodiment 9；

Figure 34 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 9；Figure 35 is the wide-angle image of embodiment 9 The astigmatism figure (mm) of camera lens；Figure 36 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 9；

Figure 37 is the schematic diagram of the wide-angle image camera lens of embodiment 10；

Figure 38 is chromaticity difference diagram (mm) on the axle of the wide-angle image camera lens of embodiment 10；Figure 39 is that the wide-angle of embodiment 10 becomes Astigmatism figure (mm) as camera lens；Figure 40 is the ratio chromatism, figure (μm) of the wide-angle image camera lens of embodiment 10.

Detailed description of the invention

Embodiments of the present invention are described below in detail, and the example of described embodiment is shown in the drawings, the most extremely Same or similar label represents same or similar element or has the element of same or like function eventually.Below by ginseng The embodiment examining accompanying drawing description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", Orientation or the position relationship of the instruction such as " clockwise ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are only Must have specifically for the ease of describing the present invention and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second " is only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indicated skill The quantity of art feature.Thus, define " first ", the feature of " second " can express or implicitly include one or More described features.In describing the invention, " multiple " are meant that two or more, unless otherwise clearly Concrete restriction.

In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or integratedly Connect；Can be mechanically connected, it is also possible to be electrical connection or can mutually communication；Can be to be joined directly together, it is also possible to logical Cross intermediary to be indirectly connected to, can be connection or the interaction relationship of two elements of two element internals.For this For the those of ordinary skill in field, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score Can include that the first and second features directly contact, it is also possible to include that the first and second features are not directly contact but pass through Other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " Including fisrt feature directly over second feature and oblique upper, or it is special higher than second to be merely representative of fisrt feature level height Levy.Fisrt feature second feature " under ", " lower section " and " below " include that fisrt feature just goes up in second feature Side and oblique upper, or it is merely representative of fisrt feature level height less than second feature.

Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.For letter Changing disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative, And it is not intended to limit the present invention.Additionally, the present invention can in different examples repeat reference numerals and/or reference word Mother, this repetition is for purposes of simplicity and clarity, itself does not indicate discussed various embodiment and/or arranges it Between relation.Additionally, the various specific technique that the invention provides and the example of material, but ordinary skill Personnel are it can be appreciated that the application of other techniques and/or the use of other materials.

Referring to Fig. 1, the wide-angle image camera lens of embodiment of the present invention includes having negative refracting power the most successively The first lens L1, there is the second lens L2 of refracting power, there is the 3rd lens L3 of positive refracting power, there is positive flexion 4th lens L4 of power, there is the 5th lens L5 of negative refracting power and there is the 6th lens L6 of refracting power.

The material of the first lens L1 is plastics, and it has thing side S1 and image side surface S2, and image side surface S2 is concave surface. Second lens L2 has thing side S3 and image side surface S4, and thing side S3 is convex surface, and image side surface S4 is concave surface.The Three lens L3 have thing side S5 and image side surface S6, and image side surface S6 is convex surface.4th lens L4 has thing side S7 and image side surface S8, and image side surface S8 is convex surface.5th lens L5 has thing side S9 and image side surface S10.6th Lens L6 has thing side S11 and image side surface S12, and thing side S11 is convex surface.

In some embodiments, wide-angle image camera lens also includes being arranged between the 3rd lens L3 and the 4th lens L4 Diaphragm STO.

During imaging, subject OBJ sends or the light that reflects enters wide-angle image camera lens from the first lens L1 and wears Cross the optical filter L7 with thing side S13 and image side surface S14, be ultimately imaged in imaging surface S15.

In some embodiments, wide-angle image camera lens meets conditional:

-1.1<f1/f4<0；

Wherein, f1 is the effective focal length of the first lens L1, and f4 is the effective focal length of described 4th lens L4.

Meet the condition above formula reasonable distribution by the focal power to the first lens L1 and the 4th lens L4 so that wide Angle imaging lens is collected the ability of light and is strengthened, and therefore has the bigger angle of visual field, is meeting miniaturization and high imaging quality Requirement while also meet the requirement of ultra-wide angle.

In some embodiments, wide-angle image camera lens also meets conditional:

1<DT11/DT62<1.6；

Wherein, DT11 is the effective radius of the thing side S1 of the first lens L1, and DT62 is the image side surface of the 6th lens L6 The effective radius of S12.

Meet the uniformity that condition above formula can ensure that the lateral dimension of the first lens L1 and the 6th lens L6, be beneficial to wide Angle imaging lens assembles.

In some embodiments, wide-angle image camera lens also meets conditional:

0.5<DT21/DT52<1.1；

Wherein, DT21 is the effective radius of the thing side S3 of the second lens L2, and DT52 is the image side surface of the 5th lens L5 The effective radius of S10.

Meeting condition above formula makes light height of incidence on each eyeglass obtain an equitable breakdown, such that it is able to reduce The susceptibility of imaging lens.

In some embodiments, the thing side S1 of the first lens thing L1 is convex surface, and wide-angle image camera lens also meets condition Formula:

0<R1/R4<4；

Wherein, R1 is the radius of curvature of the thing side S1 of the first lens L1, and R4 is the song of the image side surface S4 of the second lens L2 Rate radius.

Meeting condition above formula makes the focal power of wide-angle image camera lens reasonably to be distributed, it is to avoid the first lens L1 and the second lens L2 undertakes excessive focal power, such that it is able to reduce the first lens L1 and the sensitivity of the second lens L2 Degree.

In some embodiments, wide-angle image camera lens also meets conditional:

0<SAG11/SAG12<0.6；

Wherein, SAG11 is the thing side S1 of the first lens L1 and the intersection point of optical axis is to the thing side S1 of the first lens L1 Distance on axle between effective radius summit, SAG12 is the image side surface S2 of the first lens L1 and the intersection point of optical axis is saturating to first Distance on axle between the effective radius summit of the image side surface S2 of mirror L1.

Meeting condition above formula makes the first lens L1 have the stronger ability collecting light, thus is advantageously implemented The ultra-wide angle performance of wide-angle image camera lens, advantageously ensures that wide-angle image camera lens has higher relative illumination simultaneously.

In some embodiments, wide-angle image camera lens also meets conditional:

0.8<CT3/CT4<1.6；

Wherein, CT3 is the 3rd lens L3 center thickness on optical axis, and CT4 is the 4th lens L4 center on optical axis Thickness.

Meet condition above formula and can make the thickness of the 3rd lens L3 and the 4th lens L4 uniformly, beneficially wide-angle image The assembling of camera lens.

In some embodiments, wide-angle image camera lens also meets conditional:

-3.5<f12/f<-2；

Wherein, f12 is the first lens L1 and the synthesis focal length of the second lens L2；F is the effective focal length of wide-angle image camera lens.

Meeting condition above formula can be with the focal power of reasonable distribution imaging lens so that the first lens L1 and the second lens L2 has proper focal power, thus has the stronger ability collecting light, is beneficial to realize ultra-wide angle performance, The shape matching simultaneously making the first lens L1 is uniform, thereby may be ensured that the manufacturability of the first lens L1.

In some embodiments, wide-angle image camera lens also meets conditional:

0<T45/T56<1；

Wherein, T45 is spacing distance on the axle of the 4th lens L4 and the 5th lens L5, and T56 is the 5th lens L5 and the 6th Spacing distance on the axle of lens L6.

Meet condition above formula can spacing between each lens of active balance, beneficially color difference eliminating, it is achieved high pixelation.

In some embodiments, wide-angle image camera lens also meets conditional:

0.25mm^-1<ImgH/(f*TTL)<0.5mm^-1；

Wherein, ImgH is the half of effective pixel area diagonal line length on imaging surface S15；F is the effective of wide-angle image camera lens Focal length；TTL is distance on the axle of the thing side S1 to imaging surface S15 of the first lens L1.

Meet condition above formula to be conducive to reducing the volume of wide-angle image camera lens and expanding the angle of visual field of wide-angle image camera lens, meet The miniaturization of wide-angle image camera lens is ensured while ultra-wide angle.

In some embodiments, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, Five lens L5 and the 6th lens L6 are non-spherical lens.Aspheric type is determined by below equation:

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

Wherein, h is the aspherical arbitrary some height to optical axis, and c is vertex curvature, and k is conic constants, Ai right and wrong The correction factor on sphere the i-th-th rank.

Embodiment 1

Referring to Fig. 1-4, in embodiment 1, wide-angle image camera lens meets the condition of table below:

Table 1

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	10.9175	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.8233	0.8233		-0.9126
S3	Aspherical	2.1967	0.4200	1.64/23.53	0.0000
						S4	Aspherical	7.9063	0.3884		0.0000
S5	Aspherical	-11.8106	0.5545	1.544/56.11	0.0000
						S6	Aspherical	-2.7549	0.0778		0.0000
STO	Sphere	Infinite	0.0988
						S7	Aspherical	3.0745	0.6612	1.544/56.11	0.0000
S8	Aspherical	-1.3718	0.1007		0.0000
						S9	Aspherical	174.0241	0.3080	1.651/21.52	0.0000
S10	Aspherical	2.1813	0.6906		0.0000
						S11	Aspherical	2.7585	0.7285	1.544/56.11	0.0000
S12	Aspherical	2253.1170	0.1769		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17	0.0000
S14	Sphere	Infinite	0.5400
						S15	Sphere	Infinite

Table 2

Table 3

f1(mm)	-1.68	f(mm)	1.35
				f2(mm)	4.58	Fno	2.20
f3(mm)	6.44	TTL(mm)	6.18
				f4(mm)	1.83
f5(mm)	-3.36
				f6(mm)	3.05

Embodiment 2

Referring to Fig. 5-8, in embodiment 2, wide-angle image camera lens meets the condition of table below:

Table 4

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	7.2528	0.4000	1.535/55.8	0.0000
						S2	Sphere	0.7854	0.8540		-0.8257
S3	Aspherical	2.0040	0.4200	1.64/23.53	0.0000
						S4	Aspherical	5.3233	0.3824		0.0000
S5	Aspherical	-31.0777	0.5481	1.544/56.11	0.0000
						S6	Aspherical	-2.8892	0.1000		0.0000
STO	Sphere	Infinite	0.1000
						S7	Aspherical	3.2432	0.6391	1.544/56.11	0.0000
S8	Aspherical	-1.3653	0.1000		0.0000
						S9	Aspherical	-184.2828	0.3000	1.651/21.52	0.0000
S10	Aspherical	2.1619	0.8613		0.0000
						S11	Aspherical	4.7089	0.9451	1.544/56.11	0.0000
S12	Aspherical	-5.7424	0.1000		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						S15	Sphere	Infinite

Table 5

Table 6

f1(mm)	-1.68	f(mm)	1.46
				f2(mm)	4.74	Fno	2.20
f3(mm)	5.79	TTL(mm)	6.50
				f4(mm)	1.85
f5(mm)	-3.25
				f6(mm)	4.89

Embodiment 3

Referring to Fig. 9-12, in embodiment 3, wide-angle image camera lens meets the condition of table below:

Table 7

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	6.9792	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.8238	0.9889		-0.8916
S3	Aspherical	1.9242	0.4569	1.64/23.53	0.0000
						S4	Aspherical	4.3484	0.4291		0.0000
S5	Aspherical	-61.3039	0.6427	1.544/56.11	0.0000
						S6	Aspherical	-1.6420	0.0103		0.0000
STO	Sphere	Infinite	0.0987
						S7	Aspherical	-10.0140	0.6354	1.544/56.11	0.0000
S8	Aspherical	-1.1252	0.1043		0.0000
						S9	Aspherical	40.6711	0.3350	1.64/23.53	0.0000
S10	Aspherical	1.9027	0.6323		0.0000
						S11	Aspherical	2.4693	0.6045	1.544/56.11	0.0000
S12	Aspherical	14.5265	0.1815		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						S15	Sphere	Infinite

Table 8

Table 9

f1(mm)	-1.78	f(mm)	1.29
				f2(mm)	4.97	Fno	2.20
f3(mm)	3.08	TTL(mm)	6.27
				f4(mm)	2.26
f5(mm)	-3.10
				f6(mm)	5.35

Embodiment 4

Referring to Figure 13-16, in embodiment 4, wide-angle image camera lens meets the condition of table below:

Table 10

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	6.8160	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.8179	1.0685		0.0000
S3	Aspherical	1.9685	0.4822	1.64/23.53	-0.8807
						S4	Aspherical	4.5914	0.4235		0.0000
S5	Aspherical	52.7594	0.6737	1.544/56.11	0.0000
						S6	Aspherical	-1.7647	0.0169		0.0000
STO	Sphere	Infinite	0.1036
						S7	Aspherical	-10.0000	0.7025	1.544/56.11	0.0000
S8	Aspherical	-1.1036	0.1035		0.0000
						S9	Aspherical	-169.5592	0.3193	1.64/23.53	0.0000
S10	Aspherical	1.9430	0.6185		0.0000
						S11	Aspherical	2.3476	0.6177	1.544/56.11	0.0000
S12	Aspherical	10.7997	0.1899		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						S15	Sphere	Infinite

Table 11

Table 12

f1(mm)	-1.77	f(mm)	1.27
				f2(mm)	4.97	Fno	2.20
f3(mm)	3.14	TTL(mm)	6.47
				f4(mm)	2.21
f5(mm)	-2.97
				f6(mm)	5.35

Embodiment 5

Referring to Figure 17-20, in embodiment 5, wide-angle image camera lens meets the condition of table below:

Table 13

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	5.5055	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.6958	1.0367		-0.8562
S3	Aspherical	1.9908	0.4025	1.64/23.53	0.0000
						S4	Aspherical	8.8498	0.2561		0.0000
S5	Aspherical	-10.7825	0.9065	1.544/56.11	0.0000
						S6	Aspherical	-3.4277	0.0030		0.0000
STO	Sphere	Infinite	0.0470
						S7	Aspherical	3.2212	0.5840	1.544/56.11	0.0000
S8	Aspherical	-1.1444	0.1078		0.0000
						S9	Aspherical	-1.5813	0.3000	1.651/21.52	0.0000
S10	Aspherical	-101.7137	0.7880		0.0000
						S11	Aspherical	2.5073	0.8076	1.544/56.11	0.0000
S12	Aspherical	-12.3743	0.3807		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						IMA	Sphere	Infinite

Table 14

Table 15

f1(mm)	-1.53	f(mm)	1.27
				f2(mm)	3.89	Fno	2.28
f3(mm)	8.81	TTL(mm)	6.77
				f4(mm)	1.62
f5(mm)	-2.44
				f6(mm)	3.89

Embodiment 6

Referring to Figure 21-24, in embodiment 6, wide-angle image camera lens meets the condition of table below:

Table 16

Table 17

Table 18

f1(mm)	-1.83	f(mm)	1.52
				f2(mm)	4.84	Fno	2.28
f3(mm)	5.30	TTL(mm)	6.77
				f4(mm)	1.92
f5(mm)	-2.82
				f6(mm)	5.88

Embodiment 7

Referring to Figure 25-28, in embodiment 7, wide-angle image camera lens meets the condition of table below:

Table 19

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	22.0706	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.9249	0.8511		-0.9637
S3	Aspherical	2.1015	0.4179	1.64/23.53	0.0000
						S4	Aspherical	5.9825	0.3951		0.0000
S5	Aspherical	-12.9345	0.8911	1.544/56.11	0.0000
						S6	Aspherical	-2.5285	-0.0275		0.0000
STO	Sphere	Infinite	0.1075
						S7	Aspherical	4.4263	0.6863	1.544/56.11	0.0000
S8	Aspherical	-1.2783	0.1288		0.0000
						S9	Aspherical	-13.6559	0.3158	1.651/21.52	0.0000
S10	Aspherical	2.1528	0.8575		0.0000
						S11	Aspherical	2.9483	0.7464	1.544/56.11	0.0000
S12	Aspherical	135.2840	0.2469		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						IMA	Sphere	Infinite

Table 20

Table 21

f1(mm)	-1.81	f(mm)	1.50
				f2(mm)	4.81	Fno	2.28
f3(mm)	5.58	TTL(mm)	6.77
				f4(mm)	1.90
f5(mm)	-2.80
				f6(mm)	5.50

Embodiment 8

Referring to Figure 29-32, in embodiment 8, wide-angle image camera lens meets the condition of table below:

Table 22

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	12.6019	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.8717	0.8391		-0.9373
S3	Aspherical	2.1049	0.4100	1.64/23.53	0.0000
						S4	Aspherical	5.2043	0.4013		0.0000
S5	Aspherical	-16.0108	0.8989	1.544/56.11	0.0000
						S6	Aspherical	-2.5610	-0.0324		0.0000
STO	Sphere	Infinite	0.1120
						S7	Aspherical	4.1267	0.6504	1.544/56.11	0.0000
S8	Aspherical	-1.2848	0.1282		0.0000
						S9	Aspherical	-16.5891	0.3152	1.651/21.52	0.0000
S10	Aspherical	2.1364	0.8964		0.0000
						S11	Aspherical	2.9245	0.7784	1.544/56.11	0.0000
S12	Aspherical	41.1183	0.2227		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						IMA	Sphere	Infinite

Table 23

Table 24

f1(mm)	-1.76	f(mm)	1.49
				f2(mm)	5.20	Fno	2.28
f3(mm)	5.45	TTL(mm)	6.77
				f4(mm)	1.87
f5(mm)	-2.86
				f6(mm)	5.72

Embodiment 9

Referring to Figure 33-36, in embodiment 9, wide-angle image camera lens meets the condition of table below:

Table 25

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	600.0000
S1	Aspherical	5.2670	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.9416	0.9109		-0.8566
S3	Aspherical	2.5419	0.5771	1.64/23.53	0.0000
						S4	Aspherical	2.2298	0.4367		0.0000
S5	Aspherical	7.1170	0.8153	1.544/56.11	0.0000
						S6	Aspherical	-1.5538	-0.1348		0.0000
STO	Sphere	Infinite	0.1848
						S7	Aspherical	13.0320	0.5965	1.544/56.11	0.0000
S8	Aspherical	-1.2228	0.1272		0.0000
						S9	Aspherical	-10.3394	0.3000	1.651/21.52	0.0000
S10	Aspherical	1.9709	0.9265		0.0000
						S11	Aspherical	3.3913	0.7457	1.544/56.11	0.0000
S12	Aspherical	11.2635	0.1640		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						IMA	Sphere	Infinite

Table 26

Table 27

f1(mm)	-2.21	f(mm)	1.52
				f2(mm)	-102.48	Fno	2.28
f3(mm)	2.41	TTL(mm)	6.26
				f4(mm)	2.08
f5(mm)	-2.49
				f6(mm)	8.59

Embodiment 10

Referring to Figure 37-40, in embodiment 10, wide-angle image camera lens meets the condition of table below:

Table 28

Face number	Surface type	Radius of curvature	Thickness	Material	Circular cone coefficient
						OBJ	Sphere	Infinite	Infinite
S1	Aspherical	5.5780	0.4000	1.535/55.8	0.0000
						S2	Aspherical	0.8744	0.9569		-0.8215
S3	Aspherical	2.1399	0.4000	1.64/23.53	0.0000
						S4	Aspherical	4.6205	0.3694		0.0000
S5	Aspherical	-20.0852	0.8627	1.544/56.11	0.0000
						S6	Aspherical	-2.2404	-0.0601		0.0000
STO	Sphere	Infinite	0.1181
						S7	Aspherical	5.7609	0.6862	1.544/56.11	0.0000
S8	Aspherical	-1.2377	0.0800		0.0000
						S9	Aspherical	-56.2059	0.3000	1.651/21.52	0.0000
S10	Aspherical	2.1340	0.8479		0.0000
						S11	Aspherical	4.5365	0.9370	1.544/56.11	0.0000
S12	Aspherical	3.8989	0.1520		0.0000
						S13	Sphere	Infinite	0.2100	1.517/64.17
S14	Sphere	Infinite	0.5400
						IMA	Sphere	Infinite

Table 29

Table 30

f1(mm)	-1.99	f(mm)	1.69
				f2(mm)	5.80	Fno	2.31
f3(mm)	4.54	TTL(mm)	6.26
				f4(mm)	1.93
f5(mm)	-3.12
				f6(mm)	-105.58

In embodiment 1-10, each conditional meets the condition of table below:

As shown in above table and Fig. 1-40, each power of lens of the wide-angle image camera lens of embodiment of the present invention obtains Reasonable distribution, various aberrations are effectively controlled, thus ensure that higher image quality and less size, are simultaneously achieved Ultra-wide angle performance.

In the description of this specification, reference term " embodiment ", " some embodiments ", " schematic embodiment party Formula ", " example ", the description of " concrete example " or " some examples " etc. mean to combine described embodiment or example describes tool Body characteristics, structure, material or feature are contained at least one embodiment or the example of the present invention.In this specification In, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, description concrete Feature, structure, material or feature can be tied in any one or more embodiments or example in an appropriate manner Close.

While embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that: not These embodiments can be carried out multiple change in the case of the principle of the disengaging present invention and objective, revise, replace and become Type, the scope of the present invention is limited by claim and equivalent thereof.

Claims

1. a wide-angle image camera lens, it is characterised in that include successively to image side from thing side:

There are the 5th lens of negative refracting power；And

Having the 6th lens of refracting power, its thing side is convex surface；

Described wide-angle image camera lens meets conditional:

-1.1<f1/f4<0；

2. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

1<DT11/DT62<1.6；

3. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

0.5<DT21/DT52<1.1；

4. wide-angle image camera lens as claimed in claim 1, it is characterised in that the thing side of described first lens is convex surface, Described wide-angle image camera lens meets conditional:

0<R1/R4<4；

5. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

0<SAG11/SAG12<0.6；

6. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

0.8<CT3/CT4<1.6；

7. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

-3.5<f12/f<-2；

8. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

0<T45/T56<1；

9. wide-angle image camera lens as claimed in claim 1, it is characterised in that described wide-angle image camera lens meets conditional:

0.25mm^-1<ImgH/(f*TTL)<0.5mm^-1；

Wherein, ImgH is the half of effective pixel area diagonal line length on the imaging surface of described wide-angle image camera lens；F be described extensively The effective focal length of angle imaging lens；TTL is that the thing side of described first lens is to distance on the axle of imaging surface.