CN102401982A

CN102401982A - Optical image capturing lens

Info

Publication number: CN102401982A
Application number: CN201010287162XA
Authority: CN
Inventors: 汤相岐; 谢东益; 陈俊杉; 蔡宗翰
Original assignee: Largan Precision Co Ltd
Current assignee: Largan Precision Co Ltd
Priority date: 2010-09-16
Filing date: 2010-09-16
Publication date: 2012-04-04
Anticipated expiration: 2030-09-16
Also published as: CN102401982B

Abstract

The invention provides an optical image capturing lens, which from an object side to an image side in turn comprises a first lens with positive flexion force, a second lens with negative flexion force, a third lens which has an object side surface and an image side surface that are both non spherical surfaces, and a fourth lens which has an image side surface that is a concave surface, has an object side surface and the image side surface that are both non spherical surfaces, and has at least one inflection point disposed on at least one of the object side surface and the image side surface. The optical image capturing lens is additionally provided with an aperture and an electronic light sensing element for imaging of captured object; the aperture is disposed between the captured object and the second lens; and the electronic light sensing element is disposed on the imaging surface.

Description

Optical shooting lens

Technical field

The present invention is about a kind of optical shooting lens; Particularly about a kind of miniaturization optical shooting lens that is applied on the electronic product.

Background technology

Recent years, along with the rise of the portable type electronic product with camera function, the demand of miniaturization pick-up lens day by day improves.And the photo-sensitive cell of general pick-up lens is nothing more than being sensitization coupling element (Charge Coupled Device; CCD) or two kinds of complementary metal oxide semiconductor (CMOS) elements (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor).And because progressing greatly of technology makes the Pixel Dimensions of photo-sensitive cell dwindle, the miniaturization pick-up lens is the development toward high pixel field gradually, therefore, and to the also increase day by day of requirement of image quality.

Tradition is equipped on the miniaturization pick-up lens on the portable type electronic product; Many employing three-chip type lens arrangements are main; Lens combination is born second lens of refracting power and the 3rd lens of the positive refracting power of a tool by thing side to first lens, the tool that as side are the positive refracting power of a tool in regular turn; Like United States Patent (USP) the 7th, 145, shown in No. 736.Because the progress of technology and electronic product are under lightening Development Trend, the photo-sensitive cell Pixel Dimensions constantly dwindles, and the system that makes improves the requirement of image quality more, and known three-chip type lens combination can't satisfy the more camera lens module of high-order.United States Patent (USP) the 7th, 365 has disclosed a kind of four-piece type lens combination No. 920, and wherein first lens and second lens are bonded to each other and become Doublet (doublet) with two sheet glass spherical mirrors, in order to color difference eliminating.But the method has its shortcoming, one of which, and too much glass spherical mirror configuration makes degree of freedom in system not enough, causes the total length of system to be difficult for shortening; Its two, the bonding technology of glass mirror is difficult for, and forms the difficulty on making easily.

Summary of the invention

The present invention provides a kind of optical shooting lens, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface and be all aspheric surface as side surface; And one the 4th lens, it is a concave surface as side surface, the thing side surface of the 4th lens and be all aspheric surface as side surface, and the thing side surface of the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface; Wherein, This optical shooting lens is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; This aperture is arranged between object and this second lens; This sense electronics optical element is arranged at the imaging surface place, and relatively optical axis is the incident angle of 36.5 degree and the light through this aperture center, and the distance as its vertical optical axis of intersection point of side surface of this light and the 4th lens is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of this aperture to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies note relational expression: 0.35＜Yc1/ImgH＜0.95 down; And 0.70＜SL/TTL＜1.20.

On the other hand, the present invention provides a kind of optical shooting lens, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface and be all aspheric surface as side surface, and the material of the 3rd lens is a plastic cement; And one the 4th lens; It is a concave surface as side surface; The thing side surface of the 4th lens and be all aspheric surface, and the thing side surface of the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface as side surface, the material of the 4th lens is a plastic cement; Wherein, This optical shooting lens is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; This aperture is arranged between object and this second lens, and this sense electronics optical element is arranged at the imaging surface place, and optical axis is the incident angle of 36.5 degree and the light that passes through this aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of this light and the 4th lens is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies note relational expression: 0.35＜Yc1/ImgH＜0.95 down; And 1.80mm＜TTL＜3.20mm.

On the one hand, the present invention provides a kind of optical shooting lens again, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of a tool, and its thing side surface is a convex surface; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface and be all aspheric surface as side surface, and the material of the 3rd lens is a plastic cement; And one the 4th lens; It is a concave surface as side surface; The thing side surface of the 4th lens and be all aspheric surface, and the thing side surface of the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface as side surface, the material of the 4th lens is a plastic cement; Wherein, This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging; This sense electronics optical element is arranged at the imaging surface place, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies note relational expression: 1.80mm＜TTL＜3.20mm down.

The present invention can effectively dwindle the field angle of camera lens volume, increase system through above-mentioned lens set configuration mode, more can obtain higher resolving power.

In the optical shooting lens of the present invention, the positive refracting power of this first lens tool provides system required part refracting power, helps to shorten the total length of this optical shooting lens.This second lens tool is born refracting power, and the aberration that can be effectively these first lens of the positive refracting power of tool be produced is done revisal, and helps the aberration of update the system simultaneously.The 3rd lens can be had negative refracting power or a positive refracting power; When the 3rd lens are positive refracting power lens, can be beneficial to the refracting power that distributes these first lens, help to reduce the susceptibility of system; When the 3rd lens are negative refracting power lens, then help the Petzval and the number (Petzval Sum) of update the system, make peripheral image planes become more flat.The 4th lens can be had negative refracting power or a positive refracting power; When the 4th lens are positive refracting power lens, can help the higher order aberratons of update the system, improve the resolving power of this optical shooting lens; When the 4th lens were negative refracting power lens, the principal point (Principal Point) that can make optical system helped shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.

In the optical shooting lens of the present invention, these first lens can be a biconvex lens or a thing side surface is convex surface, is the crescent lens of concave surface as side surface; When these first lens are a biconvex lens, can effectively strengthen the refracting power configuration of these first lens, and then make the total length of this optical shooting lens become shorter; When these first lens are the crescent lens of a convex-concave, then comparatively favourable for the astigmatism (Astigmatism) of update the system.These second lens be concave surface as side surface, can effectively increase the back focal length of system, have enough back focal length can place other member to guarantee this optical shooting lens; Preferably, the thing side surface of these second lens also is a concave surface.The thing side surface of the 3rd lens is concave surface and is convex surface as side surface, can help the astigmatism and the higher order aberratons of update the system.The 4th lens be concave surface as side surface, the principal point that can make system helps shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens; Wherein when the thing side surface of the 4th lens be convex surface and when being concave surface as side surface, can help correction simultaneously to system's astigmatism and higher order aberratons; And when being all concave surface when the thing side surface of the 4th lens and as side surface, the principal point that then can make optical system is further from imaging surface, and the total length of camera lens can be shorter.

In the optical shooting lens of the present invention, this aperture can place between object and this first lens or between these first lens and this second lens.Through these first lens positive refracting power is provided, and aperture is placed the object side near this optical shooting lens, can effectively shorten the total length of this optical shooting lens; In addition; Above-mentioned configuration can make the outgoing pupil (Exit Pupil) of this optical shooting lens away from imaging surface, and therefore, light will be incident on the mode near vertical incidence on the photo-sensitive cell; This is the heart far away (Telecentric) characteristic of picture side; And heart characteristic far away is very important for the photoperceptivity of solid-state electronic photo-sensitive cell, and with making the luminous sensitivity of sense electronics optical element improve, the minimizing system produces the possibility at dark angle.In addition, can be provided with the point of inflexion, the light that more can suppress effectively from the axle visual field is incident in the angle on the photo-sensitive cell in the 4th lens, and the further aberration of modified off-axis visual field.On the other hand; When aperture being placed more near this second lens place; The characteristic that can help Wide-angle; Help to receive the correction of poor (Chromatic Aberration of Magnification), and so dispose the susceptibility that can effectively reduce system distorting (Distortion) and multiplying power look.Therefore, in the optical shooting lens of the present invention, if aperture is arranged between object and this second lens, its purpose is to make this optical shooting lens in heart characteristic far away and Wide-angle, to obtain good balance.

Description of drawings

Figure 1A is the optical system synoptic diagram of first embodiment of the invention.

Figure 1B is the aberration curve figure of first embodiment of the invention.

Fig. 2 A is the optical system synoptic diagram of second embodiment of the invention.

Fig. 2 B is the aberration curve figure of second embodiment of the invention.

Fig. 3 A is the optical system synoptic diagram of third embodiment of the invention.

Fig. 3 B is the aberration curve figure of third embodiment of the invention.

Fig. 4 A is the optical system synoptic diagram of fourth embodiment of the invention.

Fig. 4 B is the aberration curve figure of fourth embodiment of the invention.

Fig. 5 A is the optical system synoptic diagram of fifth embodiment of the invention.

Fig. 5 B is the aberration curve figure of fifth embodiment of the invention.

Fig. 6 A is the optical system synoptic diagram of sixth embodiment of the invention.

Fig. 6 B is the aberration curve figure of sixth embodiment of the invention.

Fig. 7 A is the optical system synoptic diagram of seventh embodiment of the invention.

Fig. 7 B is the aberration curve figure of seventh embodiment of the invention.

Fig. 8 A is the optical system synoptic diagram of eighth embodiment of the invention.

Fig. 8 B is the aberration curve figure of eighth embodiment of the invention.

Fig. 9 A is the optical system synoptic diagram of nineth embodiment of the invention.

Fig. 9 B is the aberration curve figure of nineth embodiment of the invention.

Figure 10 A is the optical system synoptic diagram of tenth embodiment of the invention.

Figure 10 B is the aberration curve figure of tenth embodiment of the invention.

Figure 11 is a table one, is the optical data of first embodiment of the invention.

Figure 12 is a table two, is the aspherical surface data of first embodiment of the invention.

Figure 13 is a table three, is the optical data of second embodiment of the invention.

Figure 14 is a table four, is the aspherical surface data of second embodiment of the invention.

Figure 15 is a table five, is the optical data of third embodiment of the invention.

Figure 16 A is that table six A and Figure 16 B are table six B, is the aspherical surface data of third embodiment of the invention.

Figure 17 is a table seven, is the optical data of fourth embodiment of the invention.

Figure 18 is a table eight, is the aspherical surface data of fourth embodiment of the invention.

Figure 19 is a table nine, is the optical data of fifth embodiment of the invention.

Figure 20 A is that table ten A and Figure 20 B are table ten B, is the aspherical surface data of fifth embodiment of the invention.

Figure 21 is a table ten one, is the optical data of sixth embodiment of the invention.

Figure 22 is a table ten two, is the aspherical surface data of sixth embodiment of the invention.

Figure 23 is a table ten three, is the optical data of seventh embodiment of the invention.

Figure 24 is a table ten four, is the aspherical surface data of seventh embodiment of the invention.

Figure 25 is a table ten five, is the optical data of eighth embodiment of the invention.

Figure 26 is a table ten six, is the aspherical surface data of eighth embodiment of the invention.

Figure 27 is a table ten seven, is the optical data of nineth embodiment of the invention.

Figure 28 is a table ten eight, is the aspherical surface data of nineth embodiment of the invention.

Figure 29 is a table ten nine, is the optical data of tenth embodiment of the invention.

Figure 30 A is that table two ten A and Figure 30 B are table two ten B, is the aspherical surface data of tenth embodiment of the invention.

Figure 31 is a table two 11, is the numerical data of the present invention's first to the tenth embodiment correlationship formula.

Figure 32 is the optical system synoptic diagram of nineth embodiment of the invention.

Figure 33 is the optical system synoptic diagram of nineth embodiment of the invention.

Drawing reference numeral:

Aperture 100,200,300,400,500,600,700,800,900,1000

First lens 110,210,310,410,510,610,710,810,910,1010

Thing side surface 111,211,311,411,511,611,711,811,911,1011

Picture side surface 112,212,312,412,512,612,712,812,912,1012

Second lens 120,220,320,420,520,620,720,820,920,1020

Thing side surface 121,221,321,421,521,621,721,821,921,1021

Picture side surface 122,222,322,422,522,622,722,822,922,1022

The 3rd lens 130,230,330,430,530,630,730,830,930,1030

Thing side surface 131,231,331,431,531,631,731,831,931,1031

Picture side surface 132,232,332,432,532,632,732,832,932,1032

The 4th lens 140,240,340,440,540,640,740,840,940,1040

Thing side surface 141,241,341,441,541,641,741,841,941,1041

Picture side surface 142,242,342,442,542,642,742,842,942,1042

Infrared ray filtering optical filter 150,250,350,450,550,650,750,850,950,1050

Imaging surface 160,260,360,460,560,660,760,860,960,1060

The focal length of whole optical shooting lens is f

The focal length of first lens is f1

The focal length of the 3rd lens is f3

The abbe number of first lens is V1

The abbe number of second lens is V2

The 4th lens be R8 as the side surface radius-of-curvature

The thickness of second lens on optical axis is CT2

The distance of aperture to this sense electronics optical element on optical axis is SL

The distance of thing side surface to sense electronics optical element on optical axis of first lens is TTL

The half the of sense electronics optical element effective pixel area diagonal angle line length is ImgH

Relatively optical axis is the incident angle of 36.5 degree and the light through the aperture center, and the distance as its vertical optical axis of intersection point of side surface of light and the 4th lens is Yc1

Relatively optical axis is the incident angle of 37.2 degree and the light through the aperture center, and the distance as its vertical optical axis of intersection point of side surface of light and the 4th lens is Yc2

Embodiment

When aforementioned optical shooting lens satisfies note relational expression: 0.35＜Yc1/ImgH＜0.95 down; Can guarantee that this optical shooting lens has enough field angle; And help suppressing from an axle field rays being incident in the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field.When aforementioned optical shooting lens satisfies note relational expression: 0.70＜SL/TTL＜1.20 down, help this optical shooting lens and in heart characteristic far away and Wide-angle, obtain good balance.

In the aforementioned optical shooting lens of the present invention, preferably, these second lens be concave surface as side surface, can effectively increase the back focal length of system, have enough back focal length can place other member to guarantee this optical shooting lens; Further, preferably, the thing side surface of these second lens also is a concave surface.Preferably, the thing side surface of the 3rd lens is concave surface and is convex surface as side surface, can help the astigmatism and the higher order aberratons of update the system.

In the aforementioned optical shooting lens of the present invention, preferably, when the 3rd lens are positive refracting power lens, can be beneficial to the refracting power that distributes these first lens, help to reduce the susceptibility of system.Preferably, when the 4th lens were negative refracting power lens, the principal point (Principal Point) that can make optical system helped shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.

In the aforementioned optical shooting lens of the present invention, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens is f3, and the focal length of these first lens is f1, preferably, satisfies note relational expression down: 0.70＜(f/f3)-(f/f1)＜2.00.When (f/f3)-(f/f1) satisfies the above-mentioned relation formula, can make the required refracting power of the effective distribution system of the 3rd lens, can avoid the refracting power of single lens excessive, and then reduce the susceptibility of system.

In the aforementioned optical shooting lens of the present invention, the focal length of whole optical shooting lens is f, and the thickness of these second lens on optical axis is CT2, preferably, satisfies note relational expression: 0.15mm＜CT2＜0.32mm down.When CT2 satisfied the above-mentioned relation formula, the lens thickness size of these second lens was comparatively suitable, can reduce difficulty in the manufacturing obtaining higher eyeglass manufacture qualified rate, and help mouldability and the homogenieity of plastic lens when ejection formation.

In the aforementioned optical shooting lens of the present invention, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, preferably, satisfies note relational expression: 28.5＜V1-V2＜42.0 down.When V1-V2 satisfies the above-mentioned relation formula, help the correction of aberration in this optical shooting lens.

In the aforementioned optical shooting lens of the present invention, the 4th lens be R8 as the side surface radius-of-curvature, the focal length of whole optical shooting lens is f, preferably, satisfies note relational expression: 0.10＜R8/f＜0.45 down.When R8/f satisfied the above-mentioned relation formula, the principal point that can make optical system helped shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.

In the aforementioned optical shooting lens of the present invention; Optical axis is the incident angle of 37.2 degree and the light that passes through this aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of this light and the 4th lens is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, satisfies note relational expression: 0.50＜Yc2/ImgH＜0.95 down.When Yc2/ImgH satisfies the above-mentioned relation formula, can guarantee that this optical shooting lens has enough field angle, and help suppressing from an axle field rays and be incident in the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field.

In the aforementioned optical shooting lens of the present invention, the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, preferably, satisfies note relational expression: 1.80mm＜TTL＜3.20mm down.When TTL satisfies the above-mentioned relation formula, can guarantee under the situation that shortens the camera lens total length, also can take into account the correction of system aberration, help to obtain to have concurrently the camera lens of miniaturization and good image quality; Further, preferably, satisfy note relational expression: 2.20mm＜TTL＜2.70mm down.

On the other hand, the present invention provides a kind of optical shooting lens, is extremely comprised in regular turn as side by the thing side: first lens of the positive refracting power of tool; Second lens of the negative refracting power of one tool; One the 3rd lens, its thing side surface and be all aspheric surface as side surface, and the material of the 3rd lens is a plastic cement; And one the 4th lens; It is a concave surface as side surface; The thing side surface of the 4th lens and be all aspheric surface, and the thing side surface of the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface as side surface, the material of the 4th lens is a plastic cement; Wherein, This optical shooting lens is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; This aperture is arranged between object and this second lens, and this sense electronics optical element is arranged at the imaging surface place, and optical axis is the incident angle of 36.5 degree and the light that passes through this aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of this light and the 4th lens is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and the distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL, satisfies note relational expression: 0.35＜Yc1/ImgH＜0.95 down; And 1.80mm＜TTL＜3.20mm.

When aforementioned optical shooting lens satisfies note relational expression: 0.35＜Yc1/ImgH＜0.95 down; Can guarantee that this optical shooting lens has enough field angle; And help suppressing from an axle field rays being incident in the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field.When aforementioned optical shooting lens satisfies note relational expression: 1.80mm＜TTL＜3.20mm down, can guarantee under the situation that shortens the camera lens total length, also can take into account the correction of system aberration, help to obtain to have concurrently the camera lens of miniaturization and good image quality; Further, preferably, satisfy note relational expression: 2.20mm＜TTL＜2.70mm down.

In the aforementioned optical shooting lens of the present invention, preferably, the 3rd lens are positive refracting power lens, can be beneficial to the refracting power that distributes these first lens, help to reduce the susceptibility of system.In the aforementioned optical shooting lens of the present invention, preferably, the 4th lens are negative refracting power lens, and the principal point (Principal Point) that can make optical system helps shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.

In the aforementioned optical shooting lens of the present invention, preferably, the thing side surface of these first lens is a convex surface; When these first lens are a biconvex lens, can effectively strengthen the refracting power configuration of these first lens, and then make the total length of this optical shooting lens become shorter; In the aforementioned optical shooting lens of the present invention, when these first lens are the crescent lens of a convex-concave, then comparatively favourable for the astigmatism (Astigmatism) of update the system.Preferably, these second lens be concave surface as side surface, can effectively increase the back focal length of system, have enough back focal length can place other member to guarantee this optical shooting lens; Further, preferably, the thing side surface of these second lens also is a concave surface.In the aforementioned optical shooting lens of the present invention, preferably, the thing side surface of the 3rd lens is concave surface and is convex surface as side surface, can help the astigmatism and the higher order aberratons of update the system.Preferably, the 4th lens be concave surface as side surface, the principal point that can make system helps shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens; Further, preferably, the thing side surface of the 4th lens is a concave surface.

In the aforementioned optical shooting lens of the present invention, the abbe number of these first lens (Abbe Number) is V1, and the abbe number of these second lens is V2, preferably, satisfies note relational expression: 28.5＜V1-V2＜42.0 down.When V1-V2 satisfies the above-mentioned relation formula, help the correction of aberration in this optical shooting lens.

In the aforementioned optical shooting lens of the present invention; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface of these first lens to this sense electronics optical element on optical axis is TTL; The thickness of these second lens on optical axis is CT2, preferably, note relational expression: 2.50＜TTL/ under satisfying (ImgH * CT2) ^1/2＜4.35.As TTL/ (ImgH * CT2) ^1/2When satisfying the above-mentioned relation formula, help keeping the miniaturization of this optical shooting lens, to be equipped on the frivolous portable electronic product.

When aforementioned optical shooting lens satisfies note relational expression: 1.80mm＜TTL＜3.20mm down, can guarantee under the situation that shortens the camera lens total length, also can take into account the correction of system aberration, help to obtain to have concurrently the camera lens of miniaturization and good image quality; Further, preferably, satisfy note relational expression: 2.20mm＜TTL＜2.70mm down.

In the aforementioned optical shooting lens of the present invention, preferably, the 3rd lens are positive refracting power lens, can be beneficial to the refracting power that distributes these first lens, help to reduce the susceptibility of system.Preferably, the 4th lens are negative refracting power lens, and the principal point (Principal Point) that can make optical system helps shortening the optics total length of system away from imaging surface, to promote the miniaturization of camera lens.

In the aforementioned optical shooting lens of the present invention; Optical axis is the incident angle of 36.5 degree and the light that passes through this aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of this light and the 4th lens is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, satisfies note relational expression: 0.35＜Yc1/Imgh＜0.95 down.When Yc1/Imgh satisfies the above-mentioned relation formula, can guarantee that this optical shooting lens has enough field angle, and help suppressing from an axle field rays and be incident in the angle on the photo-sensitive cell, and the further aberration of modified off-axis visual field.

In the optical shooting lens of the present invention, the material of lens can be glass or plastic cement, if the material of lens is a glass, then can increase the degree of freedom of system's refracting power configuration, if the lens material is a plastic cement, then can effectively reduce production costs.In addition, and aspheric surface can be set on minute surface, aspheric surface can be made into the shape beyond the sphere easily; Obtain more controlled variable; In order to subduing aberration, and then the number that uses of reduction lens, therefore can effectively reduce the total length of optical shooting lens of the present invention.

In the optical shooting lens of the present invention,, represent that then this lens surface is a convex surface in paraxial place if lens surface is a convex surface; If lens surface is a concave surface, represent that then this lens surface is a concave surface in paraxial place.

Optical shooting lens of the present invention will cooperate appended accompanying drawing to specify through following specific embodiment.

First embodiment:

The optical system synoptic diagram of first embodiment of the invention sees also Figure 1A, and the aberration curve of first embodiment sees also Figure 1B.The optical shooting lens of first embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 110 of the positive refracting power of one tool, its thing side surface 111 are that convex surface and picture side surface 112 are convex surface, and its material is a plastic cement, the thing side surface 111 of these first lens 110 and be all aspheric surface as side surface 112;

Second lens 120 of the negative refracting power of one tool, its thing side surface 121 be that concave surface and picture side surface 122 are concave surface, and its material is a plastic cement, the thing side surface 121 of these second lens 120 and be all aspheric surface as side surface 122;

The 3rd lens 130 of the positive refracting power of one tool, its thing side surface 131 are that concave surface and picture side surface 132 are convex surface, and its material is a plastic cement, the thing side surface 131 of the 3rd lens 130 and be all aspheric surface as side surface 132; And

The 4th lens 140 of the negative refracting power of one tool; Its thing side surface 141 is that concave surface and picture side surface 142 are concave surface; Its material is a plastic cement; The thing side surface 141 of the 4th lens 140 and be all aspheric surface, and the thing side surface 141 of the 4th lens 140 and be provided with at least one point of inflexion (inflection point) as at least one surface in the side surface 142 as side surface 142;

Wherein, this optical shooting lens is provided with an aperture 100 in addition and places between these first lens 110 and this second lens 120;

Other includes an infrared ray filtering optical filter (IR-filter) 150 and places looking like between a side surface 142 and the imaging surface 160 of the 4th lens 140; The material of this infrared ray filtering optical filter 150 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equation of above-mentioned aspheric curve is represented as follows:

X (Y) = (Y^{2} / R) (1 + sqrt (1 - (1 + k) \times {(Y / R)}^{2})) + \underset{i}{Σ} (Ai) * (Y^{i})

Wherein:

X: be the point of Y apart from optical axis on the aspheric surface, itself and the relative height that is tangential on the tangent plane on summit on the aspheric surface optical axis;

Y: the point on the aspheric curve and the distance of optical axis;

K: conical surface coefficient;

Ai: i rank asphericity coefficient.

In the first embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=1.70 (millimeter).

In the first embodiment optical shooting lens, the f-number of whole optical shooting lens (f-number) is Fno, and its relational expression is: Fno=2.08.

In the first embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.4 (degree).

In the first embodiment optical shooting lens, the abbe number of these first lens 110 is V1, and the abbe number of these second lens 120 is V2, and its relational expression is: V1-V2=32.5.

In the first embodiment optical shooting lens, the 4th lens 140 be R8 as side surface 142 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.26.

In the first embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 130 is f3, and the focal length of these first lens 110 is f1, and its relational expression is: (f/f3)-(f/f1)=1.47.

In the first embodiment optical shooting lens, the thickness of these second lens 120 on optical axis is CT2, and its relational expression is: CT2=0.300 (millimeter).

In the first embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 160 places; The distance of the thing side surface 111 of these first lens 110 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.54 (millimeter).

In the first embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 111 of these first lens 110 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 120 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.09.

In the first embodiment optical shooting lens, the distance of this aperture 100 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 111 of these first lens 110 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.87.

In the first embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 100 centers relatively; The distance as its vertical optical axis of intersection point of side surface 142 of this light and the 4th lens 140 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.75.

In the first embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 100 centers relatively; The distance as its vertical optical axis of intersection point of side surface 142 of this light and the 4th lens 140 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/ImgH=0.77.

The detailed optical data of first embodiment shown in Figure 11 table one, its aspherical surface data such as Figure 12 table two, wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), HFOV is defined as the half the of maximum visual angle.

Second embodiment:

The optical system synoptic diagram of second embodiment of the invention sees also Fig. 2 A, and the aberration curve of second embodiment sees also Fig. 2 B.The optical shooting lens of second embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 210 of the positive refracting power of one tool, its thing side surface 211 are that convex surface and picture side surface 212 are convex surface, and its material is a plastic cement, the thing side surface 211 of these first lens 210 and be all aspheric surface as side surface 212;

Second lens 220 of the negative refracting power of one tool, its thing side surface 221 be that concave surface and picture side surface 222 are concave surface, and its material is a plastic cement, the thing side surface 221 of these second lens 220 and be all aspheric surface as side surface 222;

The 3rd lens 230 of the positive refracting power of one tool, its thing side surface 231 are that concave surface and picture side surface 232 are convex surface, and its material is a plastic cement, the thing side surface 231 of the 3rd lens 230 and be all aspheric surface as side surface 232; And

The 4th lens 240 of the negative refracting power of one tool; Its thing side surface 241 is that concave surface and picture side surface 242 are concave surface; Its material is a plastic cement; The thing side surface 241 of the 4th lens 240 and be all aspheric surface, and the thing side surface 241 of the 4th lens 240 and be provided with at least one point of inflexion as at least one surface in the side surface 242 as side surface 242;

Wherein, this optical shooting lens is provided with between the thing side surface 211 that an aperture 200 places object and these first lens 210 in addition;

Other includes an infrared ray filtering optical filter 250 and places looking like between a side surface 242 and the imaging surface 260 of the 4th lens 240; The material of this infrared ray filtering optical filter 250 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the second embodiment aspheric curve is as the pattern of first embodiment.

In the second embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=1.70 (millimeter).

In the second embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.08.

In the second embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.5 (degree).

In the second embodiment optical shooting lens, the abbe number of these first lens 210 is V1, and the abbe number of these second lens 220 is V2, and its relational expression is: V1-V2=32.5.

In the second embodiment optical shooting lens, the 4th lens 240 be R8 as side surface 242 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.26.

In the second embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 230 is f3, and the focal length of these first lens 210 is f1, and its relational expression is: (f/f3)-(f/f1)=1.00.

In the second embodiment optical shooting lens, the thickness of these second lens 220 on optical axis is CT2, and its relational expression is: CT2=0.280 (millimeter).

In the second embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 260 places; The distance of the thing side surface 211 of these first lens 210 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.43 (millimeter).

In the second embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 211 of these first lens 210 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 220 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.05.

In the second embodiment optical shooting lens, the distance of this aperture 200 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 211 of these first lens 210 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.98.

In the second embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 200 centers relatively; The distance as its vertical optical axis of intersection point of side surface 242 of this light and the 4th lens 240 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.72.

In the second embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 200 centers relatively; The distance as its vertical optical axis of intersection point of side surface 242 of this light and the 4th lens 240 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/ImgH=0.75.

The detailed optical data of second embodiment shown in Figure 13 table three, its aspherical surface data such as Figure 14 table four, wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), HFOV is defined as the half the of maximum visual angle.

The 3rd embodiment:

The optical system synoptic diagram of third embodiment of the invention sees also Fig. 3 A, and the aberration curve of the 3rd embodiment sees also Fig. 3 B.The optical shooting lens of the 3rd embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 310 of the positive refracting power of one tool, its thing side surface 311 are that convex surface and picture side surface 312 are convex surface, and its material is a plastic cement, the thing side surface 311 of these first lens 310 and be all aspheric surface as side surface 312;

Second lens 320 of the negative refracting power of one tool, its thing side surface 321 be that convex surface and picture side surface 322 are concave surface, and its material is a plastic cement, the thing side surface 321 of these second lens 320 and be all aspheric surface as side surface 322;

The 3rd lens 330 of the positive refracting power of one tool, its thing side surface 331 are that concave surface and picture side surface 332 are convex surface, and its material is a plastic cement, the thing side surface 331 of the 3rd lens 330 and be all aspheric surface as side surface 332; And

The 4th lens 340 of the negative refracting power of one tool; Its thing side surface 341 is that concave surface and picture side surface 342 are concave surface; Its material is a plastic cement; The thing side surface 341 of the 4th lens 340 and be all aspheric surface, and the thing side surface 341 of the 4th lens 340 and be provided with at least one point of inflexion as at least one surface in the side surface 342 as side surface 342;

Wherein, this optical shooting lens is provided with an aperture 300 in addition and places between these first lens 310 and this second lens 320;

Other includes an infrared ray filtering optical filter 350 and places looking like between a side surface 342 and the imaging surface 360 of the 4th lens 340; The material of this infrared ray filtering optical filter 350 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 3rd embodiment aspheric curve is as the pattern of first embodiment.

In the 3rd embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=1.99 (millimeter).

In the 3rd embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.80.

In the 3rd embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.1 (degree).

In the 3rd embodiment optical shooting lens, the abbe number of these first lens 310 is V1, and the abbe number of these second lens 320 is V2, and its relational expression is: V1-V2=34.5.

In the 3rd embodiment optical shooting lens, the 4th lens 340 be R8 as side surface 342 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.37.

In the 3rd embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 330 is f3, and the focal length of these first lens 310 is f1, and its relational expression is: (f/f3)-(f/f1)=1.24.

In the 3rd embodiment optical shooting lens, the thickness of these second lens 320 on optical axis is CT2, and its relational expression is: CT2=0.254 (millimeter).

In the 3rd embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 360 places; The distance of the thing side surface 311 of these first lens 310 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.77 (millimeter).

In the 3rd embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 311 of these first lens 310 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 320 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.49.

In the 3rd embodiment optical shooting lens, the distance of this aperture 300 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 311 of these first lens 310 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.83.

In the 3rd embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 300 centers relatively; The distance as its vertical optical axis of intersection point of side surface 342 of this light and the 4th lens 340 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.72.

The detailed optical data of the 3rd embodiment shown in Figure 15 table five, its aspherical surface data such as Figure 16 A table six A and Figure 16 B table six B, wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), HFOV is defined as the half the of maximum visual angle.

The 4th embodiment:

The optical system synoptic diagram of fourth embodiment of the invention sees also Fig. 4 A, and the aberration curve of the 4th embodiment sees also Fig. 4 B.The optical shooting lens of the 4th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 410 of the positive refracting power of one tool, its thing side surface 411 are that convex surface and picture side surface 412 are convex surface, and its material is a plastic cement, the thing side surface 411 of these first lens 410 and be all aspheric surface as side surface 412;

Second lens 420 of the negative refracting power of one tool, its thing side surface 421 be that convex surface and picture side surface 422 are concave surface, and its material is a plastic cement, the thing side surface 421 of these second lens 420 and be all aspheric surface as side surface 422;

The 3rd lens 430 of the positive refracting power of one tool, its thing side surface 431 are that concave surface and picture side surface 432 are convex surface, and its material is a plastic cement, the thing side surface 431 of the 3rd lens 430 and be all aspheric surface as side surface 432; And

The 4th lens 440 of the positive refracting power of one tool; Its thing side surface 441 is that convex surface and picture side surface 442 are concave surface; Its material is a plastic cement; The thing side surface 441 of the 4th lens 440 and be all aspheric surface, and the thing side surface 441 of the 4th lens 440 and be provided with at least one point of inflexion as at least one surface in the side surface 442 as side surface 442;

Wherein, this optical shooting lens is provided with an aperture 400 in addition and places between object and this first lens 410;

Other includes an infrared ray filtering optical filter 450 and places looking like between a side surface 442 and the imaging surface 460 of the 4th lens 440; The material of this infrared ray filtering optical filter 450 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 4th embodiment aspheric curve is as the pattern of first embodiment.

In the 4th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=2.23 (millimeter).

In the 4th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.82.

In the 4th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.2 (degree).

In the 4th embodiment optical shooting lens, the abbe number of these first lens 410 is V1, and the abbe number of these second lens 420 is V2, and its relational expression is: V1-V2=32.5.

In the 4th embodiment optical shooting lens, the 4th lens 440 be R8 as side surface 442 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.36.

In the 4th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 430 is f3, and the focal length of these first lens 410 is f1, and its relational expression is: (f/f3)-(f/f1)=-1.07.

In the 4th embodiment optical shooting lens, the thickness of these second lens 420 on optical axis is CT2, and its relational expression is: CT2=0.250 (millimeter).

In the 4th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 460 places; The distance of the thing side surface 411 of these first lens 410 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.80 (millimeter).

In the 4th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 411 of these first lens 410 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 420 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.30.

In the 4th embodiment optical shooting lens, the distance of this aperture 400 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 411 of these first lens 410 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.99.

In the 4th embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 400 centers relatively; The distance as its vertical optical axis of intersection point of side surface 442 of this light and the 4th lens 440 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.76.

In the 4th embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 400 centers relatively; The distance as its vertical optical axis of intersection point of side surface 442 of this light and the 4th lens 440 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/ImgH=0.78.

The detailed optical data of the 4th embodiment is shown in Figure 17 table seven, and its aspherical surface data is shown in Figure 18 table eight, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The 5th embodiment:

The optical system synoptic diagram of fifth embodiment of the invention sees also Fig. 5 A, and the aberration curve of the 5th embodiment sees also Fig. 5 B.The optical shooting lens of the 5th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 510 of the positive refracting power of one tool, its thing side surface 511 are that convex surface and picture side surface 512 are convex surface, and its material is a plastic cement, the thing side surface 511 of these first lens 510 and be all aspheric surface as side surface 512;

Second lens 520 of the negative refracting power of one tool, its thing side surface 521 be that concave surface and picture side surface 522 are concave surface, and its material is a plastic cement, the thing side surface 521 of these second lens 520 and be all aspheric surface as side surface 522;

The 3rd lens 530 of the positive refracting power of one tool, its thing side surface 531 are that concave surface and picture side surface 532 are convex surface, and its material is a plastic cement, the thing side surface 531 of the 3rd lens 530 and be all aspheric surface as side surface 532; And

The 4th lens 540 of the negative refracting power of one tool; Its thing side surface 541 is that convex surface and picture side surface 542 are concave surface; Its material is a plastic cement; The thing side surface 541 of the 4th lens 540 and be all aspheric surface, and the thing side surface 541 of the 4th lens 540 and be provided with at least one point of inflexion as at least one surface in the side surface 542 as side surface 542;

Wherein, this optical shooting lens is provided with an aperture 500 in addition and places between object and this first lens 510;

Other includes an infrared ray filtering optical filter 550 and places looking like between a side surface 542 and the imaging surface (560) of the 4th lens 540; The material of this infrared ray filtering optical filter 550 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 5th embodiment aspheric curve is as the pattern of first embodiment.

In the 5th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=1.66 (millimeter).

In the 5th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.40.

In the 5th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.9 (degree).

In the 5th embodiment optical shooting lens, the abbe number of these first lens 510 is V1, and the abbe number of these second lens 520 is V2, and its relational expression is: V1-V2=34.5.

In the 5th embodiment optical shooting lens, the 4th lens 540 be R8 as side surface 542 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.36.

In the 5th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 530 is f3, and the focal length of these first lens 510 is f1, and its relational expression is: (f/f3)-(f/f1)=-0.47.

In the 5th embodiment optical shooting lens, the thickness of these second lens 520 on optical axis is CT2, and its relational expression is: CT2=0.245 (millimeter).

In the 5th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and locates to supply the object imaging on it in this imaging surface (560); The distance of the thing side surface 511 of these first lens 510 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.25 (millimeter).

In the 5th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 511 of these first lens 510 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 520 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.01.

In the 5th embodiment optical shooting lens, the distance of this aperture 500 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 511 of these first lens 510 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.98.

In the 5th embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 500 centers relatively; The distance as its vertical optical axis of intersection point of side surface 542 of this light and the 4th lens 540 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.65.

In the 5th embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 500 centers relatively; The distance as its vertical optical axis of intersection point of side surface 542 of this light and the 4th lens 540 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/ImgH=0.67.

The detailed optical data of the 5th embodiment is shown in Figure 19 table nine, and its aspherical surface data is shown in Figure 20 A table ten A and Figure 20 B table ten B, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The 6th embodiment:

The optical system synoptic diagram of sixth embodiment of the invention sees also Fig. 6 A, and the aberration curve of the 6th embodiment sees also Fig. 6 B.The optical shooting lens of the 6th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 610 of the positive refracting power of one tool, its thing side surface 611 are that convex surface and picture side surface 612 are convex surface, and its material is a plastic cement, the thing side surface 611 of these first lens 610 and be all aspheric surface as side surface 612;

Second lens 620 of the negative refracting power of one tool, its thing side surface 621 be that concave surface and picture side surface 622 are concave surface, and its material is a plastic cement, the thing side surface 621 of these second lens 620 and be all aspheric surface as side surface 622;

The 3rd lens 630 of the positive refracting power of one tool, its thing side surface 631 are that concave surface and picture side surface 632 are convex surface, and its material is a plastic cement, the thing side surface 631 of the 3rd lens 630 and be all aspheric surface as side surface 632; And

The 4th lens 640 of the negative refracting power of one tool; Its thing side surface 641 is that concave surface and picture side surface 642 are concave surface; Its material is a plastic cement; The thing side surface 641 of the 4th lens 640 and be all aspheric surface, and the thing side surface 641 of the 4th lens 640 and be provided with at least one point of inflexion as at least one surface in the side surface 642 as side surface 642;

Wherein, this optical shooting lens is provided with an aperture 600 in addition and places between these first lens 610 and this second lens 620;

Other includes an infrared ray filtering optical filter 650 and places looking like between a side surface 642 and the imaging surface 660 of the 4th lens 640; The material of this infrared ray filtering optical filter 650 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 6th embodiment aspheric curve is as the pattern of first embodiment.

In the 6th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=2.06 (millimeter).

In the 6th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.45.

In the 6th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=33.0 (degree).

In the 6th embodiment optical shooting lens, the abbe number of these first lens 610 is V1, and the abbe number of these second lens 620 is V2, and its relational expression is: V1-V2=32.5.

In the 6th embodiment optical shooting lens, the 4th lens 640 be R8 as side surface 642 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.37.

In the 6th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of these first lens 610 is f1, and the focal length of the 3rd lens 630 is f3, and its relational expression is: (f/f3)-(f/f1)=1.06.

In the 6th embodiment optical shooting lens, the thickness of these second lens 620 on optical axis is CT2, and its relational expression is: CT2=0.300 (millimeter).

In the 6th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 660 places; The distance of the thing side surface 611 of these first lens 610 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=3.14 (millimeter).

In the 6th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 611 of these first lens 610 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 620 on optical axis is CT2, and its relational expression is: and TTL/ (1mgH * CT2) ^1/2=4.99.

In the 6th embodiment optical shooting lens, the distance of this aperture 600 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 611 of these first lens 610 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.81.

The detailed optical data of the 6th embodiment is shown in Figure 21 table ten one, and its aspherical surface data is shown in Figure 22 table ten two, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The 7th embodiment:

The optical system synoptic diagram of seventh embodiment of the invention sees also Fig. 7 A, and the aberration curve of the 7th embodiment sees also Fig. 7 B.The optical shooting lens of the 7th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 710 of the positive refracting power of one tool, its thing side surface 711 are that convex surface and picture side surface 712 are convex surface, and its material is a plastic cement, the thing side surface 711 of these first lens 710 and be all aspheric surface as side surface 712;

Second lens 720 of the negative refracting power of one tool, its thing side surface 721 be that convex surface and picture side surface 722 are concave surface, and its material is a plastic cement, the thing side surface 721 of these second lens 720 and be all aspheric surface as side surface 722;

The 3rd lens 730 of the negative refracting power of one tool, its thing side surface 731 be that concave surface and picture side surface 732 are convex surface, and its material is a plastic cement, the thing side surface 731 of the 3rd lens 730 and be all aspheric surface as side surface 732; And

The 4th lens 740 of the positive refracting power of one tool; Its thing side surface 741 is that convex surface and picture side surface 742 are concave surface; Its material is a plastic cement; The thing side surface 741 of the 4th lens 740 and be all aspheric surface, and the thing side surface 741 of the 4th lens 740 and be provided with at least one point of inflexion as at least one surface in the side surface 742 as side surface 742;

Wherein, this optical shooting lens is provided with an aperture 700 in addition and places between object and this first lens 710;

Other includes an infrared ray filtering optical filter 750 and places looking like between a side surface 742 and the imaging surface 760 of the 4th lens 740; The material of this infrared ray filtering optical filter 750 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 7th embodiment aspheric curve is as the pattern of first embodiment.

In the 7th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=2.30 (millimeter).

In the 7th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.85.

In the 7th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.0 (degree).

In the 7th embodiment optical shooting lens, the abbe number of these first lens 710 is V1, and the abbe number of these second lens 720 is V2, and its relational expression is: V1-V2=34.5.

In the 7th embodiment optical shooting lens, the 4th lens 740 be R8 as side surface 742 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.39.

In the 7th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 730 is f3, and the focal length of these first lens 710 is f1, and its relational expression is: (f/f3)-(f/f1)=-1.41.

In the 7th embodiment optical shooting lens, the thickness of these second lens 720 on optical axis is CT2, and its relational expression is: CT2=0.253 (millimeter).

In the 7th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 760 places; The distance of the thing side surface 711 of these first lens 710 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.74 (millimeter).

In the 7th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 711 of these first lens 710 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 720 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.12.

In the 7th embodiment optical shooting lens, the distance of this aperture 700 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 711 of these first lens 710 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.98.

In the 7th embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 700 centers relatively; The distance as its vertical optical axis of intersection point of side surface 742 of this light and the 4th lens 740 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.75.

The detailed optical data of the 7th embodiment is shown in Figure 23 table ten three, and its aspherical surface data is shown in Figure 24 table ten four, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The 8th embodiment:

The optical system synoptic diagram of eighth embodiment of the invention sees also Fig. 8 A, and the aberration curve of the 8th embodiment sees also Fig. 8 B.The optical shooting lens of the 8th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 810 of the positive refracting power of one tool, its thing side surface 811 are that convex surface and picture side surface 812 are concave surface, and its material is a plastic cement, the thing side surface 811 of these first lens 810 and be all aspheric surface as side surface 812;

Second lens 820 of the negative refracting power of one tool, its thing side surface 821 be that concave surface and picture side surface 822 are concave surface, and its material is a plastic cement, the thing side surface 821 of these second lens 820 and be all aspheric surface as side surface 822;

The 3rd lens 830 of the positive refracting power of one tool, its thing side table bent 831 be that concave surface and picture side surface 832 are convex surface, and its material is a plastic cement, the thing side surface 831 of the 3rd lens 830 and be all aspheric surface as side surface 832; And

The 4th lens 840 of the negative refracting power of one tool; Its thing side surface 841 is that concave surface and picture side surface 842 are concave surface; Its material is a plastic cement; The thing side surface 841 of the 4th lens 840 and be all aspheric surface, and the thing side surface 841 of the 4th lens 840 and be provided with at least one point of inflexion as at least one surface in the side surface 842 as side surface 842;

Wherein, this optical shooting lens is provided with an aperture 800 in addition and places between these first lens 810 and this second lens 820;

Other includes an infrared ray filtering optical filter 850 and places looking like between a side surface 842 and the imaging surface 860 of the 4th lens 840; The material of this infrared ray filtering optical filter 850 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 8th embodiment aspheric curve is as the pattern of first embodiment.

In the 8th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=2.42 (millimeter).

In the 8th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.60.

In the 8th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=38.5 (degree).

In the 8th embodiment optical shooting lens, the abbe number of these first lens 810 is V1, and the abbe number of these second lens 820 is V2, and its relational expression is: V1-V2=32.1.

In the 8th embodiment optical shooting lens, the 4th lens 840 be R8 as side surface 842 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.49.

In the 8th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 830 is f3, and the focal length of these first lens 810 is f1, and its relational expression is: (f/f3)-(f/f1)=0.40.

In the 8th embodiment optical shooting lens, the thickness of these second lens 820 on optical axis is CT2, and its relational expression is: CT2=0.250 (millimeter).

In the 8th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 860 places; The distance of the thing side surface 811 of these first lens 810 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.83 (millimeter).

In the 8th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 811 of these first lens 810 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 820 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.08.

In the 8th embodiment optical shooting lens, the distance of this aperture 800 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 811 of these first lens 810 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.82.

In the 8th embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 800 centers relatively; The distance as its vertical optical axis of intersection point of side surface 842 of this light and the 4th lens 840 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.70.

In the 8th embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 800 centers relatively; The distance as its vertical optical axis of intersection point of side surface 842 of this light and the 4th lens 840 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/Imgh=0.71.

The detailed optical data of the 8th embodiment is shown in Figure 25 table ten five, and its aspherical surface data is shown in Figure 26 table ten six, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The 9th embodiment:

The optical system synoptic diagram of nineth embodiment of the invention sees also Fig. 9 A, and the aberration curve of the 9th embodiment sees also Fig. 9 B.The optical shooting lens of the 9th embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 910 of the positive refracting power of one tool, its thing side surface 911 are that convex surface and picture side surface 912 are convex surface, and its material is a plastic cement, the thing side surface 911 of these first lens 910 and be all aspheric surface as side surface 912;

Second lens 920 of the negative refracting power of one tool, its thing side surface 921 be that concave surface and picture side surface 922 are concave surface, and its material is a plastic cement, the thing side surface 921 of these second lens 920 and be all aspheric surface as side surface 922;

The 3rd lens 930 of the positive refracting power of one tool, its thing side surface 931 are that concave surface and picture side surface 932 are convex surface, and its material is a plastic cement, the thing side surface 931 of the 3rd lens 930 and be all aspheric surface as side surface 932; And

The 4th lens 940 of the negative refracting power of one tool; Its thing side surface 941 is that convex surface and picture side surface 942 are concave surface; Its material is a plastic cement; The thing side surface 941 of the 4th lens 940 and be all aspheric surface, and the thing side surface 941 of the 4th lens 940 and be provided with at least one point of inflexion as at least one surface in the side surface 942 as side surface 942;

Wherein, this optical shooting lens is provided with an aperture 900 in addition and places between these first lens 910 and this second lens 920;

Other includes an infrared ray filtering optical filter 950 and places looking like between a side surface 942 and the imaging surface 960 of the 4th lens 940; The material of this infrared ray filtering optical filter 950 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the 9th embodiment aspheric curve is as the pattern of first embodiment.

In the 9th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=1.71 (millimeter).

In the 9th embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.40.

In the 9th embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.2 (degree).

In the 9th embodiment optical shooting lens, the abbe number of these first lens 910 is V1, and the abbe number of these second lens 920 is V2, and its relational expression is: V1-V2=32.5.

In the 9th embodiment optical shooting lens, the 4th lens 940 be R8 as side surface 942 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.24.

In the 9th embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 930 is f3, and the focal length of these first lens 910 is f1, and its relational expression is: (f/f3)-(f/f1)=1.55.

In the 9th embodiment optical shooting lens, the thickness of these second lens 920 on optical axis is CT2, and its relational expression is: CT2=0.266 (millimeter).

In the 9th embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 960 places; The distance of the thing side surface 911 of these first lens 910 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.53 (millimeter).

In the 9th embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 911 of these first lens 910 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 920 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=4.33.

In the 9th embodiment optical shooting lens, the distance of this aperture 900 to this sense electronics optical element on optical axis is SL, and the distance of the thing side surface 911 of these first lens 910 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.85.

In the 9th embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 900 centers relatively; The distance as its vertical optical axis of intersection point of side surface 942 of this light and the 4th lens 940 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/Imgh=0.72.

In the 9th embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 900 centers relatively; The distance as its vertical optical axis of intersection point of side surface 942 of this light and the 4th lens 940 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/Imgh=0.75.

The detailed optical data of the 9th embodiment is shown in Figure 27 table ten seven, and its aspherical surface data is shown in Figure 28 table ten eight, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

The tenth embodiment:

The optical system synoptic diagram of tenth embodiment of the invention sees also Figure 10 A, and the aberration curve of the tenth embodiment sees also Figure 10 B.The optical shooting lens of the tenth embodiment mainly is made up of four lens, is extremely comprised in regular turn as side by the thing side:

First lens 1010 of the positive refracting power of one tool, its thing side surface 1011 are that convex surface and picture side surface 1012 are convex surface, and its material is a plastic cement, the thing side surface 1011 of these first lens 1010 and be all aspheric surface as side surface 1012;

Second lens 1020 of the negative refracting power of one tool, its thing side surface 1021 be that concave surface and picture side surface 1022 are concave surface, and its material is a plastic cement, the thing side surface 1021 of these second lens 1020 and be all aspheric surface as side surface 1022;

The 3rd lens 1030 of the positive refracting power of one tool, its thing side surface 1031 are that concave surface and picture side surface 1032 are convex surface, and its material is a plastic cement, the thing side surface 1031 of the 3rd lens 1030 and be all aspheric surface as side surface 1032; And

The 4th lens 1040 of the negative refracting power of one tool; Its thing side surface 1041 is that convex surface and picture side surface 1042 are concave surface; Its material is a plastic cement; The thing side surface 1041 of the 4th lens 1040 and be all aspheric surface, and the thing side surface 1041 of the 4th lens 1040 and be provided with at least one point of inflexion as at least one surface in the side surface 1042 as side surface 1042;

Wherein, this optical shooting lens is provided with an aperture 1000 in addition and places between object and this first lens 1010;

Other includes an infrared ray filtering optical filter 1050 and places looking like between a side surface 1042 and the imaging surface 1060 of the 4th lens 1040; The material of this infrared ray filtering optical filter 1050 is that glass and its do not influence the focal length of optical shooting lens of the present invention.

The equational expression of the tenth embodiment aspheric curve is as the pattern of first embodiment.

In the tenth embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and its relational expression is: f=2.03 (millimeter).

In the tenth embodiment optical shooting lens, the f-number of whole optical shooting lens is Fno, and its relational expression is: Fno=2.47.

In the tenth embodiment optical shooting lens, the half the of maximum visual angle is HFOV in the whole optical shooting lens, and its relational expression is: HFOV=37.5 (degree).

In the tenth embodiment optical shooting lens, the abbe number of these first lens 1010 is V1, and the abbe number of these second lens 1020 is V2, and its relational expression is: V1-V2=32.1.

In the tenth embodiment optical shooting lens, the 4th lens 1040 be R8 as side surface 1042 radius-of-curvature, the focal length of whole optical shooting lens is f, its relational expression is: R8/f=0.25.

In the tenth embodiment optical shooting lens, the focal length of whole optical shooting lens is f, and the focal length of the 3rd lens 1030 is f3, and the focal length of these first lens 1010 is f1, and its relational expression is: (f/f3)-(f/f1)=0.33.

In the tenth embodiment optical shooting lens, the thickness of these second lens 1020 on optical axis is CT2, and its relational expression is: CT2=0.280 (millimeter).

In the tenth embodiment optical shooting lens; This optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging on it in these imaging surface 1060 places; The distance of the thing side surface 1011 of these first lens 1010 to this sense electronics optical element on optical axis is TTL, and its relational expression is: TTL=2.47 (millimeter).

In the tenth embodiment optical shooting lens; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH; The distance of the thing side surface 1011 of these first lens 1010 to this sense electronics optical element on optical axis is TTL; The thickness of these second lens 1020 on optical axis is CT2, and its relational expression is: and TTL/ (ImgH * CT2) ^1/2=3.76.

In the tenth embodiment optical shooting lens; The distance of this aperture 1000 to this sense electronics optical element on optical axis is SL; The distance of the thing side surface 1011 of these first lens 1010 to this sense electronics optical element on optical axis is TTL, and its relational expression is: SL/TTL=0.97.

In the tenth embodiment optical shooting lens; Optical axis is the incident angle of 36.5 degree and the light that passes through these aperture 1000 centers relatively; The distance as its vertical optical axis of intersection point of side surface 1042 of this light and the 4th lens 1040 is Yc1; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc1/ImgH=0.66.

In the tenth embodiment optical shooting lens; Optical axis is the incident angle of 37.2 degree and the light that passes through these aperture 1000 centers relatively; The distance as its vertical optical axis of intersection point of side surface 1042 of this light and the 4th lens 1040 is Yc2; The half the of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: Yc2/ImgH=0.69.

The detailed optical data of the tenth embodiment is shown in Figure 29 table ten nine, and its aspherical surface data is shown in Figure 30 A table two ten A and Figure 30 B table two ten B, and wherein the unit of radius-of-curvature, thickness and focal length is mm (millimeter), and HFOV is defined as the half the of maximum visual angle.

Figure 32 is through defining the synoptic diagram of Yc1 in the nineth embodiment of the invention; Wherein relatively optical axis is the incident angle of 36.5 degree and the light through these aperture 900 centers, and the distance as its vertical optical axis of intersection point of side surface 942 of this light and the 4th lens 940 is Yc1.

Figure 33 is through defining the synoptic diagram of Yc2 in the nineth embodiment of the invention; Wherein relatively optical axis is the incident angle of 37.2 degree and the light through these aperture 900 centers, and the distance as its vertical optical axis of intersection point of side surface 942 of this light and the 4th lens 940 is Yc2.

Table one to table two ten B (corresponding Figure 11 to Figure 30 B respectively) are depicted as the different numerical value change tables of optical shooting lens embodiment of the present invention; The all true gained of testing of numerical value change of right each embodiment of the present invention; Even use different numerical value; The product of same structure must belong to protection category of the present invention, thus above explanation is described and accompanying drawing in illustrated only as exemplary, non-in order to limit claim of the present invention.Table two 11 (corresponding Figure 31) is the numerical data of the corresponding correlationship formula of the present invention of each embodiment.

Claims

1. an optical shooting lens is characterized in that, said optical shooting lens is extremely comprised as side by the thing side in regular turn:

First lens of the positive refracting power of one tool;

Second lens of the negative refracting power of one tool;

One the 3rd lens, its thing side surface and be all aspheric surface as side surface; And

One the 4th lens, it is a concave surface as side surface, the thing side surface of said the 4th lens and be all aspheric surface as side surface, and the thing side surface of said the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface;

Wherein, Said optical shooting lens is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; Said aperture is arranged between object and said second lens; Said sense electronics optical element is arranged at the imaging surface place, and relatively optical axis is the incident angle of 36.5 degree and the light through said aperture center, and the distance as its vertical optical axis of intersection point of side surface of said light and the 4th lens is Yc1; The half the of said sense electronics optical element effective pixel area diagonal angle line length is ImgH; Said aperture to the distance of said sense electronics optical element on optical axis is SL, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

0.35＜Yc1/ImgH＜0.95; And

0.70＜SL/TTL＜1.20。

2. optical shooting lens as claimed in claim 1 is characterized in that, said second lens be concave surface as side surface, the thing side surface of said the 3rd lens is concave surface and is convex surface as side surface.

3. optical shooting lens as claimed in claim 2 is characterized in that, the positive refracting power of said the 3rd lens tool, and said the 4th lens tool is born refracting power.

4. optical shooting lens as claimed in claim 1 is characterized in that, the focal length of whole optical shooting lens is f, and the focal length of said the 3rd lens is f3, and the focal length of said first lens is f1, satisfies note relational expression down:

0.70＜(f/f3)-(f/f1)＜2.00。

5. optical shooting lens as claimed in claim 4 is characterized in that, the thickness of said second lens on optical axis is CT2, satisfies note relational expression down:

0.15mm＜CT2＜0.32mm。

6. optical shooting lens as claimed in claim 1 is characterized in that, the abbe number of said first lens is V1, and the abbe number of said second lens is V2, satisfies note relational expression down:

28.5＜V1-V2＜42.0。

7. optical shooting lens as claimed in claim 3 is characterized in that, the thing side surface of said second lens is a concave surface.

8. optical shooting lens as claimed in claim 3 is characterized in that, said the 4th lens be R8 as the side surface radius-of-curvature, the focal length of whole optical shooting lens is f, satisfies note relational expression down:

0.10＜R8/f＜0.45。

9. optical shooting lens as claimed in claim 1; It is characterized in that; Optical axis is the incident angle of 37.2 degree and the light that passes through said aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of said light and the 4th lens is Yc2, and the half the of said sense electronics optical element effective pixel area diagonal angle line length be ImgH, satisfies and remembers relational expression down:

0.50＜Yc2/ImgH＜0.95。

10. optical shooting lens as claimed in claim 1 is characterized in that, the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

1.80mm＜TTL＜3.20mm。

11. optical shooting lens as claimed in claim 10 is characterized in that, the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

2.20mm＜TTL＜2.70mm。

12. an optical shooting lens is characterized in that, said optical shooting lens is extremely comprised as side by the thing side in regular turn:

First lens of the positive refracting power of one tool;

Second lens of the negative refracting power of one tool;

One the 3rd lens, its thing side surface and be all aspheric surface as side surface, and the material of said the 3rd lens is a plastic cement; And

One the 4th lens; It is a concave surface as side surface; The thing side surface of said the 4th lens and be all aspheric surface, and the thing side surface of said the 4th lens and be provided with at least one point of inflexion as at least one surface in the side surface as side surface, the material of said the 4th lens is a plastic cement;

Wherein, Said optical shooting lens is provided with an aperture in addition and a sense electronics optical element supplies the object imaging; Said aperture is arranged between object and said second lens, and said sense electronics optical element is arranged at the imaging surface place, and optical axis is the incident angle of 36.5 degree and the light that passes through said aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of said light and the 4th lens is Yc1; The half the of said sense electronics optical element effective pixel area diagonal angle line length is ImgH, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

0.35＜Yc1/ImgH＜0.95; And

1.80mm＜TTL＜3.20mm。

13. optical shooting lens as claimed in claim 12 is characterized in that, the thing side surface of said first lens is a convex surface, said second lens be concave surface as side surface.

14. optical shooting lens as claimed in claim 13 is characterized in that, the positive refracting power of said the 3rd lens tool, and the thing side surface of said the 3rd lens is concave surface and is convex surface as side surface that said the 4th lens tool is born refracting power.

15. optical shooting lens as claimed in claim 14 is characterized in that, the focal length of whole optical shooting lens is f, and the focal length of said the 3rd lens is f3, and the focal length of said first lens is f1, satisfies note relational expression down:

0.70＜(f/f3)-(f/f1)＜2.00。

16. optical shooting lens as claimed in claim 15 is characterized in that, the thing side surface of said the 4th lens is a concave surface.

17. optical shooting lens as claimed in claim 15 is characterized in that, the thing side surface of said second lens is a concave surface.

18. optical shooting lens as claimed in claim 14 is characterized in that, the abbe number of said first lens is V1, and the abbe number of said second lens is V2, satisfies note relational expression down:

28.5＜V1-V2＜42.0。

19. optical shooting lens as claimed in claim 12 is characterized in that, the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

2.20mm＜TTL＜2.70mm。

20. optical shooting lens as claimed in claim 14; It is characterized in that; The half the of said sense electronics optical element effective pixel area diagonal angle line length is ImgH; The thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, and the thickness of said second lens on optical axis is CT2, satisfies note relational expression down:

2.50＜TTL/(ImgH×CT2) ^1/2＜4.35。

21. an optical shooting lens is characterized in that, said optical shooting lens is extremely comprised as side by the thing side in regular turn:

First lens of the positive refracting power of one tool, its thing side surface is a convex surface;

Second lens of the negative refracting power of one tool;

Wherein, Said optical shooting lens is provided with a sense electronics optical element in addition and supplies the object imaging; Said sense electronics optical element is arranged at the imaging surface place, and the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

1.80mm＜TTL＜3.20mm。

22. optical shooting lens as claimed in claim 21 is characterized in that, said second lens be concave surface as side surface, the thing side surface of said the 3rd lens is concave surface and is convex surface as side surface.

23. optical shooting lens as claimed in claim 22 is characterized in that, the positive refracting power of said the 3rd lens tool, and said the 4th lens tool is born refracting power.

24. optical shooting lens as claimed in claim 23 is characterized in that, the focal length of whole optical shooting lens is f, and the focal length of said the 3rd lens is f3, and the focal length of said first lens is f1, satisfies note relational expression down:

0.70＜(f/f3)-(f/f1)＜2.00。

25. optical shooting lens as claimed in claim 23 is characterized in that, the abbe number of said first lens is V1, and the abbe number of said second lens is V2, satisfies note relational expression down:

28.5＜V1-V2＜42.0。

26. optical shooting lens as claimed in claim 23; It is characterized in that; Optical axis is the incident angle of 36.5 degree and the light that passes through said aperture center relatively; The distance as its vertical optical axis of intersection point of side surface of said light and the 4th lens is Yc1, and the half the of said sense electronics optical element effective pixel area diagonal angle line length be ImgH, satisfies and remembers relational expression down:

0.35＜Yc1/ImgH＜0.95。

27. optical shooting lens as claimed in claim 23; It is characterized in that; The half the of said sense electronics optical element effective pixel area diagonal angle line length is ImgH; The thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, and the thickness of said second lens on optical axis is CT2, satisfies note relational expression down:

2.50＜TTL/(ImgH×CT2) ^1/2＜4.35。

28. optical shooting lens as claimed in claim 23 is characterized in that, the thing side surface of said first lens to the distance of said sense electronics optical element on optical axis is TTL, satisfies note relational expression down:

2.20mm＜TTL＜2.70mm。

29. optical shooting lens as claimed in claim 23 is characterized in that, the thing side surface of said second lens is a concave surface.