CN104216096A - High-resolution thin lens unit - Google Patents
High-resolution thin lens unit Download PDFInfo
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- CN104216096A CN104216096A CN201410337667.0A CN201410337667A CN104216096A CN 104216096 A CN104216096 A CN 104216096A CN 201410337667 A CN201410337667 A CN 201410337667A CN 104216096 A CN104216096 A CN 104216096A
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Abstract
The invention provides a high-resolution thin lens unit comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a diaphragm sequentially from objective side to image side. The objective side of the first lens having a positive refractive power is a convex side. The image side of the second lens having a negative refractive power is a concave side. The image side of the third lens having a positive refractive power is a convex side. The image side of the fourth lens having a positive refractive power is a convex side. The objective side and image side of the fifth lens having a negative refractive power are both convex sides; at least one of the objective side and the image side has at least one inflection point. The diaphragm is arranged between an object and the second lens. The high-resolution thin lens unit meets -5.0<f45/f<-3.5, 12<(T34/TTL)*100<16.5; wherein f45 is a combine focus of the third and fourth lenses, f is an overall focus of an optical system; T34 is an axial distance between the third and fourth lenses, and TTL is overall length of the lenses. The high-resolution thin lens unit has the advantages that overall length of the optical system is decreased, distortion correction and ghost image inhibition are achieved on the premise of large visual angle, high resolution and large aperture guaranteed, and system imaging quality is improved.
Description
Technical field
The present invention relates to the slim camera lens of a kind of high pixel, the miniature imaging lens combination be made up of five groups of lens.
Background technology
At present along with the development of CMOS chip technology, the Pixel Dimensions of chip is more and more less, and require also more and more higher to the image quality of the optical system matched, the optical lens size of mobile phone or digital camera but becomes more and more less; General slim camera lens due to size little, number of lenses is also fewer, cannot meet high-quality parsing requirement, is bound to increase the quantity of eyeglass like this, makes the optics overall length of camera lens increase simultaneously, be difficult to the characteristic having miniaturization concurrently.Publication number is " US20110310287 ", name is called the patent of invention of " image pickup optical system and image-pickup device ", propose for this contradiction the optical imaging system that a kind of 5 groups of lens form, five groups of lens in this camera lens from the object side to the image side successively by have positive diopter the first lens, there are negative dioptric second lens, there are the 3rd lens of positive diopter, there are the 4th lens of positive diopter and there are negative diopter the 5th lens and form.Although this system held characteristic of miniaturization, maintains high resolving power simultaneously, these lens cannot ensure Large visual angle angle, high pixel, wide-aperture while effectively revise distortion, suppression ghost image, so can not further elevator system image quality.
Summary of the invention
Therefore, the present invention proposes the taking lens system that a kind of high pixel is slim, ensure miniaturization, high pixel, Large visual angle angle, wide-aperture while, effectively have modified distortion, inhibit the formation of ghost image, further improve the image quality of system.
A kind of high pixel, slim camera lens, sequentially comprised to image side by thing side:
First lens of the positive refracting power of tool, its thing side is convex surface; Tool bears the second lens of refracting power, and its face, image side is concave surface; 3rd lens of the positive refracting power of tool, its face, image side is convex surface; 4th lens of the positive refracting power of tool, its face, image side is convex surface; Tool bears the 5th lens of refracting power, and its thing side, image side are concave surface, and in thing side and face, image side, at least one face is provided with at least one point of inflexion; Separately be provided with a diaphragm, be placed between object and the second lens, in order to be controlled to picture system brightness.
In the slim camera lens of high pixel provided by the invention, f45 is the combined focal length of the 4th lens and the 5th lens, and the whole focal length of f optical system for this reason, will meet following relationship :-5.0<f45/f<-3.5
F45, f meet with co-relation, make focal power reasonable disposition, are conducive to shortening Lens, thus realize miniaturization.
T34 is spacing distance on the 3rd lens and the 4th axis of lens, and TTL is camera lens total length, will meet following relationship: 12< (T34/TTL) * 100<16.5
Limited by above formula, be conducive to the incident angle reducing light, thus reduce the tolerance sensitivities of optical system, ensure the imaging requirements of high image quality.
In the slim camera lens of high pixel provided by the invention, f12 is the combined focal length of the first lens and the second lens, and f3 is the focal length of the 3rd lens, will meet following relationship: 0.8≤f12/f3<1.2
The focal power reasonable layout of f12 and f3, is conducive to realizing wide-angle.
In the slim camera lens of high pixel provided by the invention, Yp51 is the vertical range of the 5th lens thing side point of inflexion to optical axis, and SD51 is the maximum effective diameter of the 5th lens thing side, will meet following relationship:
0.85<Yp51/SD51<1.0, the 5th lens meet above requirement, are conducive to the ghost impact avoiding this system under special angle, thus promote image quality.
In the slim camera lens of high pixel provided by the invention, h1, h2 are respectively the vertical height of the intersection point distance center axle in the 4th lens the thinnest some line and the 4th lens thing side and face, image side, SD41, SD42 are respectively the effective diameter height in the 4th lens thing side and face, image side, will meet following relationship:
0.7< (h1+h2)/(SD41+SD42) <0.9, system meets above relational expression requirement, is conducive to reducing the incident angle of light on chip, has help to distortion correction simultaneously.
In the slim camera lens of high pixel provided by the invention, when 4th lens thing side is concave surface, R7 is the radius-of-curvature of the 4th lens thing side, and R8 is the radius-of-curvature in the 4th face, lens image side, will meet following relationship: 6<R7/R8<11
R7, R8 meet with co-relation, are conducive to compact in size, reduce tolerance sensitivities.
In the slim camera lens of high pixel provided by the invention, can there is a point of inflexion in the 5th lens thing side, can reach the effect suppressing ghost image.
Preferably, the first face, lens image side is convex surface.Preferably, described second lens thing side is convex surface.Preferably, described 3rd lens thing side is convex surface.Preferably, described 4th face, lens image side is convex surface.
Present invention employs 5 plastic aspherical element eyeglasses, by the distribution of different focal powers and radius-of-curvature, break through the design of lens shape in the past, the ingenious position that the point of inflexion is set, overcome the defect of prior art, a kind of new solution is proposed to current specification requirement and performance requirement, when meeting miniaturization, high pixel, large aperture, Large visual angle angle, better correction distortion, suppression ghost image, the image quality of elevator system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the slim camera lens embodiment 1 of high pixel provided by the invention;
Fig. 2 be embodiment 1 axle on chromaticity difference diagram (mm);
Fig. 3 is the astigmatism figure (mm) of embodiment 1;
Fig. 4 is the distortion figure (%) of embodiment 1;
Fig. 5 is the ratio chromatism, figure (μm) of embodiment 1;
Fig. 6 is the schematic diagram of the slim camera lens embodiment 2 of high pixel provided by the invention;
Fig. 7 be embodiment 2 axle on chromaticity difference diagram (mm);
Fig. 8 is the astigmatism figure (mm) of embodiment 2;
Fig. 9 is the distortion figure (%) of embodiment 2;
Figure 10 is the ratio chromatism, figure (μm) of embodiment 2;
Figure 11 is the schematic diagram of the slim camera lens embodiment 3 of high pixel provided by the invention;
Figure 12 be embodiment 3 axle on chromaticity difference diagram (mm);
Figure 13 is the astigmatism figure (mm) of embodiment 3;
Figure 14 is the distortion figure (%) of embodiment 3;
Figure 15 is the ratio chromatism, figure (μm) of embodiment 3;
Figure 16 is the schematic diagram of the slim camera lens embodiment 4 of high pixel provided by the invention;
Figure 17 be embodiment 4 axle on chromaticity difference diagram (mm);
Figure 18 is the astigmatism figure (mm) of embodiment 4;
Figure 19 is the distortion figure (%) of embodiment 4;
Figure 20 is the ratio chromatism, figure (μm) of embodiment 4;
Figure 21 is the schematic diagram of the slim camera lens embodiment 5 of high pixel provided by the invention;
Figure 22 be embodiment 5 axle on chromaticity difference diagram (mm);
Figure 23 is the astigmatism figure (mm) of embodiment 5;
Figure 24 is the distortion figure (%) of embodiment 5;
Figure 25 is the ratio chromatism, figure (μm) of embodiment 5;
Figure 26 is the schematic diagram of the slim camera lens embodiment 6 of high pixel provided by the invention;
Figure 27 be embodiment 6 axle on chromaticity difference diagram (mm);
Figure 28 is the astigmatism figure (mm) of embodiment 6;
Figure 29 is the distortion figure (%) of embodiment 6;
Figure 30 is the ratio chromatism, figure (μm) of embodiment 6;
Figure 31 is the schematic diagram of the slim camera lens embodiment 7 of high pixel provided by the invention;
Figure 32 be embodiment 7 axle on chromaticity difference diagram (mm);
Figure 33 is the astigmatism figure (mm) of embodiment 7;
Figure 34 is the distortion figure (%) of embodiment 7;
Figure 35 is the ratio chromatism, figure (μm) of embodiment 7;
Figure 36 is the schematic diagram of the slim camera lens embodiment 8 of high pixel provided by the invention;
Figure 37 be embodiment 8 axle on chromaticity difference diagram (mm);
Figure 38 is the astigmatism figure (mm) of embodiment 8;
Figure 39 is the distortion figure (%) of embodiment 8;
Figure 40 is the ratio chromatism, figure (μm) of embodiment 8;
Figure 41 is the schematic diagram of the slim camera lens embodiment 9 of high pixel provided by the invention;
Figure 42 be embodiment 9 axle on chromaticity difference diagram (mm);
Figure 43 is the astigmatism figure (mm) of embodiment 9;
Figure 44 is the distortion figure (%) of embodiment 9;
Figure 45 is the ratio chromatism, figure (μm) of embodiment 9;
Figure 46 is the schematic diagram of the slim camera lens embodiment 10 of high pixel provided by the invention;
Figure 47 be embodiment 10 axle on chromaticity difference diagram (mm);
Figure 48 is the astigmatism figure (mm) of embodiment 10;
Figure 49 is the distortion figure (%) of embodiment 10;
Figure 50 is the ratio chromatism, figure (μm) of embodiment 10;
Figure 51 is the schematic diagram of the slim camera lens embodiment 11 of high pixel provided by the invention;
Figure 52 be embodiment 11 axle on chromaticity difference diagram (mm);
Figure 53 is the astigmatism figure (mm) of embodiment 11;
Figure 54 is the distortion figure (%) of embodiment 11;
Figure 55 is the ratio chromatism, figure (μm) of embodiment 11.
Embodiment
Optical lens provided by the invention, is sequentially from the object side to the image side as shown in Fig. 1 in embodiment 1: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=5.923; F=4.97; F1=3.59; F2=-4.64; F3=10.33; F4=3.27; F5=-2.29; Yp51/SD51=0.89; (h1+h2)/(SD41+SD42)=0.75; F45/f=-3.83;
f12/f3＝0.89；R7/R8＝7.83；(T34/TTL)*100＝15.71；
Systematic parameter: stop value 2.0
Table one:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1655 | 0.7420 | 1.544/56.11 | 1.2093 | -1.1771 |
| 2 | Aspheric surface | -18.3805 | 0.0570 | ? | 1.1201 | 13.4145 |
| 3(stop) | Sphere | Infinite | 0.0170 | ? | 1.0720 | ? |
| 4 | Aspheric surface | 9.4798 | 0.3000 | 1.6355/23.78 | 1.1211 | -47.5170 |
| 5 | Aspheric surface | 2.2390 | 0.4470 | ? | 1.1736 | 1.1108 |
| 6 | Aspheric surface | 13.2043 | 0.5950 | 1.544/56.11 | 1.2660 | -3.9419 |
| 7 | Aspheric surface | -9.7052 | 0.9310 | ? | 1.4897 | 32.8660 |
| 8 | Aspheric surface | -12.4990 | 0.7830 | 1.544/56.11 | 1.9548 | 28.2801 |
| 9 | Aspheric surface | -1.5968 | 0.5640 | ? | 2.3372 | -4.5342 |
| 10 | Aspheric surface | -2.0461 | 0.3910 | 1.544/56.11 | 3.1755 | -9.6372 |
| 11 | Aspheric surface | 3.4375 | 0.2570 | ? | 3.4450 | -12.9290 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.7297 | ? |
| 13 | Sphere | Infinite | 0.6290 | ? | 3.7819 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0440 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table two:
Be sequentially from the object side to the image side as shown in Fig. 6 in embodiment 2: diaphragm, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, diaphragm face is S1, first lens E1 two sides is S2, S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.11; F=5.03; F1=3.88; F2=-5.06; F3=9.75; F4=3.31; F5=-2.35;
(h1+h2)/(SD41+SD42)＝0.80；f45/f＝-4.0；f12/f3＝1.02；R7/R8＝8.49；
(T34/TTL)*100＝13.73；
Systematic parameter: stop value 2.05
Table three:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1(stop) | Aspheric surface | 2.0818 | 0.0200 | ? | 1.2279 | -0.9955 |
| 2 | Aspheric surface | 2.0818 | 0.7490 | 1.54/56.1 | 1.2629 | -0.9955 |
| 3 | Aspheric surface | 94.6677 | 0.0754 | ? | 1.1518 | -45976.8157 |
| 4 | Aspheric surface | 7.9196 | 0.2644 | 1.64/23.8 | 1.1308 | -52.6186 |
| 5 | Aspheric surface | 2.2745 | 0.3148 | ? | 1.1747 | 1.1288 |
| 6 | Aspheric surface | 11.5990 | 0.7746 | 1.54/56.1 | 1.2569 | -15.1190 |
| 7 | Aspheric surface | -9.6206 | 0.8391 | ? | 1.4976 | 32.2937 |
| 8 | Aspheric surface | -13.9145 | 0.9018 | 1.54/56.1 | 1.8693 | 34.3855 |
| 9 | Aspheric surface | -1.6388 | 0.5357 | ? | 2.2194 | -4.8586 |
| 10 | Aspheric surface | -2.1568 | 0.5012 | 1.54/56.1 | 2.6752 | -10.4555 |
| 11 | Aspheric surface | 3.4194 | 0.2777 | ? | 3.2487 | -11.7196 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.5234 | ? |
| 13 | Sphere | Infinite | 0.6480 | ? | 3.5950 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0148 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table four:
Be sequentially from the object side to the image side as shown in Figure 11 in embodiment 3: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.05; F=5.02; F1=3.60; F2=-4.7; F3=10.81; F4=3.35; F5=-2.36; Yp51/SD51=0.99; (h1+h2)/(SD41+SD42)=0.79; F45/f=-4.03;
f12/f3＝0.85；R7/R8＝8.94；(T34/TTL)*100＝14.69；
Systematic parameter: stop value 2.0
Table five:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1606 | 0.7306 | 1.54/56.1 | 1.2539 | -1.1955 |
| 2 | Aspheric surface | -19.5694 | 0.0651 | ? | 1.1326 | -4.8275 |
| 3(stop) | Sphere | Infinite | 0.0167 | ? | 1.0831 | ? |
| 4 | Aspheric surface | 9.3086 | 0.2729 | 1.64,23.8 | 1.1330 | -38.3048 |
| 5 | Aspheric surface | 2.2532 | 0.3765 | ? | 1.1760 | 1.0893 |
| 6 | Aspheric surface | 14.9643 | 0.6596 | 1.54,56.1 | 1.2401 | -16.8648 |
| 7 | Aspheric surface | -9.6097 | 0.8886 | ? | 1.4317 | 31.2549 |
| 8 | Aspheric surface | -14.8872 | 0.9094 | 1.54,56.1 | 1.8823 | 39.4250 |
| 9 | Aspheric surface | -1.6653 | 0.5682 | ? | 2.2778 | -4.9537 |
| 10 | Aspheric surface | -2.0329 | 0.4607 | 1.54,56.1 | 2.8638 | -9.9493 |
| 11 | Aspheric surface | 3.8208 | 0.2593 | ? | 3.3284 | -10.8490 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6799 | ? |
| 13 | Sphere | Infinite | 0.6316 | ? | 3.7474 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0673 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table six:
Be sequentially from the object side to the image side as shown in Figure 16 in embodiment 4: diaphragm, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, diaphragm face is S1, first lens E1 two sides is S2, S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.20; F=5.11; F1=3.56; F2=-4.29; F3=9.24; F4=3.36; F5=-2.37; (h1+h2)/(SD41+SD42)=0.83; F45/f=-3.92; F12/f3=1.17;
R7/R8＝8.51；(T34/TTL)*100＝14.53；
Systematic parameter: stop value 2.05
Table seven:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1(stop) | Aspheric surface | 2.1427 | 0.0200 | ? | 1.2464 | -1.0811 |
| 2 | Aspheric surface | 2.1427 | 0.7904 | 1.54/56.1 | 1.2814 | -1.0811 |
| 3 | Aspheric surface | -18.4380 | 0.1038 | ? | 1.1767 | 12.5002 |
| 4 | Aspheric surface | -23.3742 | 0.2299 | 1.64/23.8 | 1.1545 | -1161.2384 |
| 5 | Aspheric surface | 3.1319 | 0.2649 | ? | 1.1846 | 1.4499 |
| 6 | Aspheric surface | 9.5667 | 0.8469 | 1.54/56.1 | 1.2093 | -185.2028 |
| 7 | Aspheric surface | -10.3513 | 0.9000 | ? | 1.4816 | 29.2025 |
| 8 | Aspheric surface | -14.0775 | 0.8025 | 1.54/56.1 | 1.8943 | 37.2948 |
| 9 | Aspheric surface | -1.6548 | 0.5326 | ? | 2.1834 | -4.8447 |
| 10 | Aspheric surface | -2.1892 | 0.5084 | 1.54/56.1 | 2.6674 | -9.7854 |
| 11 | Aspheric surface | 3.4266 | 0.3077 | ? | 3.2591 | -12.7464 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.5629 | ? |
| 13 | Sphere | Infinite | 0.6780 | ? | 3.6360 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0210 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table eight:
Be sequentially from the object side to the image side as shown in Figure 21 in embodiment 5: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.23; F=5.10; F1=3.65; F2=-4.8; F3=11.42; F4=3.43; F5=-2.45; Yp51/SD51=0.98; (h1+h2)/(SD41+SD42)=0.79; F45/f=-4.43;
f12/f3＝0.80；R7/R8＝8.99；(T34/TTL)*100＝12.67；
Systematic parameter: stop value 2.0
Table nine:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1553 | 0.7342 | 1.54/56.1 | 1.3071 | -1.1521 |
| 2 | Aspheric surface | -23.4365 | 0.0668 | ? | 1.1536 | 13.0352 |
| 3(stop) | Sphere | Infinite | 0.0301 | ? | 1.0984 | ? |
| 4 | Aspheric surface | 8.8576 | 0.2638 | 1.64/23.8 | 1.1496 | -37.2981 |
| 5 | Aspheric surface | 2.2604 | 0.3155 | ? | 1.1848 | 1.0753 |
| 6 | Aspheric surface | 17.3100 | 0.8213 | 1.54/56.1 | 1.1932 | -115.3640 |
| 7 | Aspheric surface | -9.5996 | 0.7892 | ? | 1.4543 | 32.7497 |
| 8 | Aspheric surface | -15.3362 | 0.9741 | 1.54/56.1 | 1.8314 | 50.4891 |
| 9 | Aspheric surface | -1.7062 | 0.5580 | ? | 2.2604 | -5.0483 |
| 10 | Aspheric surface | -2.2070 | 0.5408 | 1.54/56.1 | 2.8447 | -10.8373 |
| 11 | Aspheric surface | 3.6891 | 0.2763 | ? | 3.3189 | -10.3619 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6646 | ? |
| 13 | Sphere | Infinite | 0.6486 | ? | 3.7344 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0721 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table ten:
Be sequentially from the object side to the image side as shown in Figure 26 in embodiment 6: diaphragm, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, diaphragm face is S1, first lens E1 two sides is S2, S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.33; F=5.34; F1=3.68; F2=-4.65; F3=11.47; F4=3.21; F5=-2.32; (h1+h2)/(SD41+SD42)=0.82; F45/f=-4.7; F12/f3=0.87;
R7/R8＝10.35；(T34/TTL)*100＝16.26；
Systematic parameter: stop value 2.05
Table ten one:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1(stop) | Aspheric surface | 2.1907 | 0.0200 | ? | 1.3019 | -1.1042 |
| 2 | Aspheric surface | 2.1907 | 0.7649 | 1.54/56.1 | 1.3369 | -1.1042 |
| 3 | Aspheric surface | -21.7557 | 0.0671 | ? | 1.2346 | 77.2201 |
| 4 | Aspheric surface | 9.3374 | 0.2829 | 1.64/23.8 | 1.2010 | -29.1967 |
| 5 | Aspheric surface | 2.2357 | 0.3112 | ? | 1.2045 | 1.1118 |
| 6 | Aspheric surface | -854.6566 | 0.7054 | 1.54/56.1 | 1.1451 | 0.5343 |
| 7 | Aspheric surface | -6.2232 | 1.0301 | ? | 1.4221 | 18.5416 |
| 8 | Aspheric surface | -16.7684 | 0.8954 | 1.54/56.1 | 1.9054 | -3.4722 |
| 9 | Aspheric surface | -1.6201 | 0.5322 | ? | 2.2394 | -5.1295 |
| 10 | Aspheric surface | -2.3181 | 0.4523 | 1.54/56.1 | 2.7360 | -11.8277 |
| 11 | Aspheric surface | 2.9958 | 0.3466 | ? | 3.2358 | -13.8985 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.5177 | ? |
| 13 | Sphere | Infinite | 0.7169 | ? | 3.5832 | ? |
| IMG | Sphere | Infinite | ? | ? | 3.9981 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table ten two:
Be sequentially from the object side to the image side as shown in Figure 31 in embodiment 7: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.22; F=5.08; F1=3.65; F2=-4.8; F3=11.45; F4=3.41; F5=-2.45; Yp51/SD51=0.98; (h1+h2)/(SD41+SD42)=0.79; F45/f=-4.72;
f12/f3＝0.80；R7/R8＝9.28；(T34/TTL)*100＝12.67；
Systematic parameter: stop value 2.0
Table ten three:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1557 | 0.7339 | 1.54/56.1 | 1.2643 | -1.1518 |
| 2 | Aspheric surface | -23.4903 | 0.0666 | ? | 1.1424 | 13.1121 |
| 3(stop) | Sphere | Infinite | 0.0299 | ? | 1.0939 | ? |
| 4 | Aspheric surface | 8.8625 | 0.2631 | 1.64/23.8 | 1.1455 | -37.4423 |
| 5 | Aspheric surface | 2.2602 | 0.3130 | ? | 1.1823 | 1.0759 |
| 6 | Aspheric surface | 17.4010 | 0.8195 | 1.54/56.1 | 1.1898 | -120.2322 |
| 7 | Aspheric surface | -9.6073 | 0.7883 | ? | 1.4532 | 32.8068 |
| 8 | Aspheric surface | -15.7896 | 0.9715 | 1.54/56.1 | 1.8350 | 50.6544 |
| 9 | Aspheric surface | -1.7012 | 0.5575 | ? | 2.2592 | -5.0268 |
| 10 | Aspheric surface | -2.2169 | 0.5394 | 1.54/56.1 | 2.8504 | -10.9793 |
| 11 | Aspheric surface | 3.6616 | 0.2763 | ? | 3.3206 | -10.1963 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6631 | ? |
| 13 | Sphere | Infinite | 0.6486 | ? | 3.7330 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0702 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table ten four:
Be sequentially from the object side to the image side as shown in Figure 36 in embodiment 8: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.20; F=5.0; F1=3.75; F2=-5.01; F3=10.72; F4=3.15; F5=-2.24; (h1+h2)/(SD41+SD42)=0.77; F45/f=-4.51; F12/f3=0.89;
R7/R8＝-174.7；(T34/TTL)*100＝15.02；
Systematic parameter: stop value 2.0
Table ten five:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1923 | 0.6772 | 1.54/56.1 | 1.2093 | -1.2038 |
| 2 | Aspheric surface | -27.7235 | 0.0398 | ? | 1.1422 | -231.1351 |
| 3(stop) | Sphere | Infinite | 0.0616 | ? | 1.1015 | ? |
| 4 | Aspheric surface | 8.1654 | 0.2134 | 1.64/23.8 | 1.1570 | -27.5707 |
| 5 | Aspheric surface | 2.2850 | 0.3818 | ? | 1.1810 | 1.1530 |
| 6 | Aspheric surface | 14.3090 | 0.9661 | 1.54/56.1 | 1.2660 | -67.2892 |
| 7 | Aspheric surface | -9.6883 | 0.9312 | ? | 1.5518 | 30.8113 |
| 8 | Aspheric surface | 302.4647 | 0.7576 | 1.54/56.1 | 1.9822 | -795.7999 |
| 9 | Aspheric surface | -1.7311 | 0.4939 | ? | 2.3109 | -5.6987 |
| 10 | Aspheric surface | -2.1672 | 0.3874 | 1.54/56.1 | 2.7900 | -11.7081 |
| 11 | Aspheric surface | 2.9910 | 0.2400 | ? | 3.3584 | -8.9615 |
| 12 | Sphere | Infinite | 0.4657 | BK7 | 3.5650 | ? |
| 13 | Sphere | Infinite | 0.5841 | ? | 3.7155 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0530 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table ten six:
Be sequentially from the object side to the image side as shown in Figure 41 in embodiment 9: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.23; F=5.08; F1=3.65; F2=-4.8; F3=11.54; F4=3.38; F5=-2.44; Yp51/SD51=0.97; (h1+h2)/(SD41+SD42)=0.79; F45/f=-4.91;
f12/f3＝0.80；R7/R8＝9.98；(T34/TTL)*100＝12.68；
Systematic parameter: stop value 2.0
Table ten seven:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1505 | 0.7335 | 1.54/56.1 | 1.2638 | -1.1373 |
| 2 | Aspheric surface | -24.6146 | 0.0668 | ? | 1.1422 | 20.7477 |
| 3(stop) | Sphere | Infinite | 0.0317 | ? | 1.0937 | ? |
| 4 | Aspheric surface | 8.8443 | 0.2602 | 1.64/23.8 | 1.1450 | -37.8065 |
| 5 | Aspheric surface | 2.2588 | 0.3113 | ? | 1.1812 | 1.0792 |
| 6 | Aspheric surface | 17.7040 | 0.8333 | 1.54/56.1 | 1.1859 | -153.0590 |
| 7 | Aspheric surface | -9.6280 | 0.7902 | ? | 1.4592 | 33.1907 |
| 8 | Aspheric surface | -16.9474 | 0.9682 | 1.54/56.1 | 1.8445 | 52.3228 |
| 9 | Aspheric surface | -1.6983 | 0.5538 | ? | 2.2662 | -5.0491 |
| 10 | Aspheric surface | -2.2208 | 0.5363 | 1.54/56.1 | 2.8605 | -11.1521 |
| 11 | Aspheric surface | 3.6024 | 0.2792 | ? | 3.3213 | -10.1770 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6589 | ? |
| 13 | Sphere | Infinite | 0.6515 | ? | 3.7292 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0718 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table ten eight:
Be sequentially from the object side to the image side as shown in Figure 46 in embodiment 10: the first lens E1, diaphragm, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, described first lens E1 two sides is S1, S2, diaphragm face is S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=6.22; F=5.07; F1=3.66; F2=-4.8; F3=11.52; F4=3.34; F5=-2.41; Yp51/SD51=0.97; (h1+h2)/(SD41+SD42)=0.79;
f45/f＝-4.99；f12/f3＝0.81；R7/R8＝10.69；(T34/TTL)*100＝12.71；
Systematic parameter: stop value 2.0
Table ten nine:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1 | Aspheric surface | 2.1515 | 0.7326 | 1.54/56.1 | 1.2617 | -1.1367 |
| 2 | Aspheric surface | -24.7217 | 0.0664 | ? | 1.1401 | 19.6176 |
| 3(stop) | Sphere | Infinite | 0.0314 | ? | 1.0916 | ? |
| 4 | Aspheric surface | 8.8588 | 0.2593 | 1.64/23.8 | 1.1431 | -37.9133 |
| 5 | Aspheric surface | 2.2585 | 0.3105 | ? | 1.1800 | 1.0798 |
| 6 | Aspheric surface | 17.6384 | 0.8347 | 1.54/56.1 | 1.1844 | -156.1902 |
| 7 | Aspheric surface | -9.6199 | 0.7907 | ? | 1.4602 | 33.2668 |
| 8 | Aspheric surface | -18.0826 | 0.9679 | 1.54/56.1 | 1.8500 | 52.6705 |
| 9 | Aspheric surface | -1.6912 | 0.5526 | ? | 2.2665 | -5.0658 |
| 10 | Aspheric surface | -2.1899 | 0.5346 | 1.54/56.1 | 2.8554 | -11.0955 |
| 11 | Aspheric surface | 3.5872 | 0.2782 | ? | 3.3200 | -10.1419 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6541 | ? |
| 13 | Sphere | Infinite | 0.6505 | ? | 3.7253 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0731 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table two ten:
Be sequentially from the object side to the image side as shown in Figure 51 in embodiment 11: diaphragm, the first lens E1, the second lens E2, the 3rd lens E3, the 4th lens E4, the 5th lens E5, optical filter E6 and imaging surface.Described first lens E1 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; Second lens E2 has negative refracting power, thing side convex surface, image side concave surface, and thing side and face, image side are aspheric surface; 3rd lens E3 has positive refracting power, thing side convex surface, image side convex surface, and thing side and face, image side are aspheric surface; 4th lens E4 has positive refracting power, thing side concave surface, image side convex surface, and thing side and face, image side are aspheric surface; 5th lens E5 has negative refracting power, thing side concave surface, image side concave surface, and thing side and face, image side are aspheric surface, and in its thing side and face, image side, at least one surface is provided with at least one point of inflexion; Described first lens E1 is all made by plastic material to the 5th lens E5.
From object space to image space, diaphragm face is S1, first lens E1 two sides is S2, S3, second lens E2 two sides is S4, S5,3rd lens E3 two sides is S6, S7, and the 4th lens E4 two sides is S8, S9, and the 5th lens E5 two sides is S10, S11, optical filter E6 two sides is S12, S13, and optical imagery face is S14.
The each parameter of its camera lens is as described below: TTL=5.94; F=4.94; F1=3.6; F2=-4.65; F3=10.11; F4=3.29; F5=-2.31; Yp51/SD51=0.89; (h1+h2)/(SD41+SD42)=0.76; F45/f=-3.9;
f12/f3＝0.92；R7/R8＝7.64；(T34/TTL)*100＝15.38；
Systematic parameter: stop value 2.05
Table two 11:
| Surface number | Surface type | Radius-of-curvature | Thickness | Material | Effective aperture | Circular cone coefficient |
| obj | Sphere | Infinite | Infinite | ? | ? | ? |
| 1(stop) | Aspheric surface | 2.1757 | 0.0200 | ? | 1.2052 | -1.2347 |
| 2 | Aspheric surface | 2.1757 | 0.7490 | 1.54/56.1 | 1.2402 | -1.2347 |
| 3 | Aspheric surface | -18.1603 | 0.0754 | ? | 1.1468 | 67.7814 |
| 4 | Aspheric surface | 9.5688 | 0.2988 | 1.64/23.8 | 1.0863 | -46.3968 |
| 5 | Aspheric surface | 2.2485 | 0.4332 | ? | 1.1937 | 1.1087 |
| 6 | Aspheric surface | 12.1691 | 0.6344 | 1.54/56.1 | 1.3576 | -3.0025 |
| 7 | Aspheric surface | -9.9260 | 0.9141 | ? | 1.5410 | 32.7855 |
| 8 | Aspheric surface | -12.2541 | 0.7781 | 1.54/56.1 | 1.9379 | 36.1509 |
| 9 | Aspheric surface | -1.6030 | 0.5521 | ? | 2.3118 | -4.8259 |
| 10 | Aspheric surface | -2.3319 | 0.3638 | 1.54/56.1 | 3.1011 | -11.2356 |
| 11 | Aspheric surface | 2.9151 | 0.2711 | ? | 3.3906 | -13.5101 |
| 12 | Sphere | Infinite | 0.2100 | BK7 | 3.6821 | ? |
| 13 | Sphere | Infinite | 0.6414 | ? | 3.7440 | ? |
| IMG | Sphere | Infinite | ? | ? | 4.0126 | ? |
Following table is aspheric surface high-order term coefficient A4, A6, A8, A10, A12, A14, A16 of non-spherical lens:
Table two 12:
By chromaticity difference diagram, astigmatism figure, distortion figure and ratio chromatism, figure on the axle of each embodiment, can find out that the present invention has good optical property.
Although describe principle of the present invention and embodiment for the slim camera lens of high pixel above; but under above-mentioned instruction of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improve or distortion all drops in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above to explain object of the present invention, and not for limiting the present invention, protection scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. the slim camera lens of high pixel, is characterized in that: sequentially comprised to image side by thing side:
First lens of the positive refracting power of tool, its thing side is convex surface;
Tool bears the second lens of refracting power, and its face, image side is concave surface;
3rd lens of the positive refracting power of tool, its face, image side is convex surface;
4th lens of the positive refracting power of tool, its face, image side is convex surface;
Tool bears the 5th lens of refracting power, and its thing side, image side are concave surface, and in thing side and face, image side, at least one face is provided with at least one point of inflexion;
Described camera lens meets :-5.0<f45/f<-3.5,12< (T34/TTL) * 100<16.5;
Wherein, f45 is the combined focal length of the 4th lens and the 5th lens, the whole focal length of f lens optical system for this reason, T34 be the 3rd lens and the 4th lens axle on spacing distance, TTL is the overall length of lens.
2. the slim camera lens of high pixel according to claim 1, is characterized in that, described camera lens meets: 0.8≤f12/f3<1.2
Wherein, f12 is the combined focal length of the first lens and the second lens, and f3 is the focal length of the 3rd lens.
3. according to the slim camera lens of any one high pixel described in claim 1,2, it is characterized in that, described camera lens meets: 0.85<Yp51/SD51<1.0
Wherein, Yp51 is the vertical range of the 5th lens thing side point of inflexion distance optical axis, and SD51 is the maximum effective diameter of the 5th lens thing side.
4. the slim camera lens of high pixel according to claim 1, is characterized in that, described camera lens meets: 0.7< (h1+h2)/(SD41+SD42) <0.9
Wherein, h1, h2 are respectively the vertical height of the intersection point distance center axle in the 4th lens the thinnest some line and the 4th lens thing side and face, image side, and SD41, SD42 are respectively the effective diameter height in the 4th lens thing side and face, image side.
5. the slim camera lens of high pixel according to claim 4, is characterized in that, the 4th lens thing side is concave surface, and described camera lens meets: 6<R7/R8<11
Wherein, R7 is the radius-of-curvature of the 4th lens thing side, and R8 is the radius-of-curvature in the 4th face, lens image side.
6. the slim camera lens of high pixel according to claim 1, it is characterized in that, described camera lens is provided with a diaphragm, is placed between object and the second lens.
7. the slim camera lens of arbitrary high pixel according to claim 1,2,4,5,6, is characterized in that, described first face, lens image side is convex surface.
8. the slim camera lens of high pixel according to claim 7, is characterized in that, described second lens thing side is convex surface.
9. the slim camera lens of high pixel according to claim 8, is characterized in that, described 3rd lens thing side is convex surface.
10. the slim camera lens of high pixel according to claim 9, is characterized in that, described 4th face, lens image side is convex surface.
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Cited By (8)
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| CN107085284A (en) * | 2017-06-13 | 2017-08-22 | 浙江舜宇光学有限公司 | Pick-up lens |
| CN111352213A (en) * | 2018-12-23 | 2020-06-30 | 辽宁中蓝电子科技有限公司 | High-pixel prism periscopic lens |
| WO2020164236A1 (en) * | 2019-02-13 | 2020-08-20 | 浙江舜宇光学有限公司 | Optical imaging lens |
| CN111929847A (en) * | 2020-09-23 | 2020-11-13 | 辽宁中蓝光电科技有限公司 | High-pixel large-aperture lens |
| CN112835174A (en) * | 2019-11-22 | 2021-05-25 | 天津欧菲光电有限公司 | Optical imaging system, image capturing device and electronic equipment |
| CN112965212A (en) * | 2021-03-24 | 2021-06-15 | 江西晶超光学有限公司 | Imaging system, camera module and electronic equipment |
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| TWI582456B (en) * | 2016-01-06 | 2017-05-11 | 玉晶光電股份有限公司 | Imaging lens |
| CN107085284A (en) * | 2017-06-13 | 2017-08-22 | 浙江舜宇光学有限公司 | Pick-up lens |
| US11493734B2 (en) | 2017-06-13 | 2022-11-08 | Zhejiang Sunny Optical Co., Ltd | Camera lens assembly including five lenses of +−++− or +−−+− refractive powers |
| CN111352213A (en) * | 2018-12-23 | 2020-06-30 | 辽宁中蓝电子科技有限公司 | High-pixel prism periscopic lens |
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| CN112835174B (en) * | 2019-11-22 | 2023-11-07 | 江西欧菲光学有限公司 | Optical imaging system, image capturing device and electronic equipment |
| CN111929847A (en) * | 2020-09-23 | 2020-11-13 | 辽宁中蓝光电科技有限公司 | High-pixel large-aperture lens |
| CN112965212A (en) * | 2021-03-24 | 2021-06-15 | 江西晶超光学有限公司 | Imaging system, camera module and electronic equipment |
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