CN201852987U - Image capture lens set with wide viewing angle - Google Patents

Abstract

The utility model discloses an image capture lens set with wide viewing angle, which comprises a first lens with negative refractive power, a second lens with negative refractive power, a third lens with positive refractive power, a fourth lens with negative refractive power, and a fifth lens with positive refractive power from an object side to an image side in sequence, wherein the surface of the object side of the first lens is convex and the surface of the image side of the first lens is concave; the surface of the object side of the second lens is convex and the surface of the image side of the second lens is concave and the surface of the image side of the fourth lens is concave; the first lens and the second lens with refractive power in the image capture lens set with wide viewing angle are closest to the object side; and the number of lens with refractive power in the image capture lens set with wide viewing angle does not exceed six.

Description

Wide viewing angle capture mirror group

Technical field

The utility model relates to a kind of wide viewing angle capture mirror group, particularly has with great visual angle and the wide viewing angle capture mirror group of miniaturization about a kind of.

Background technology

In recent years, because the range of application of optics pick-up lens more and more widely, particularly at mobile phone camera, the computer network camera, automobile-used camera lens, industries such as safe imaging monitoring and electronic entertainment, and the photo-sensitive cell of general pick-up lens is nothing more than being sensitization coupling element (Charge Coupled Device, CCD) or CMOS element (Complementary Metal-Oxide Semiconductor Sensor, CMOS Sensor) two kind, and owing to progressing greatly of manufacturing process technology, make the elemental area of photo-sensitive cell dwindle, pick-up lens is gradually toward high pixel and the development of miniaturization field, therefore, the requirement to image quality also increases day by day.

Generally be applied to the pick-up lens of aspects such as automobile, imaging monitoring and electronic amusement device, because of considering the image characteristics that needs single acquisition extensive area, the required field angle of its camera lens is bigger.Existing pick-up lens with great visual angle, adopt the pre-group lens is the configuration mode of positive refracting power for negative refracting power, back group's lens more, constitute so-called anti-photography type (Inverse Telephoto) structure, obtain the characteristic of Wide-angle by this, as United States Patent (USP) the 7th, 446, shown in No. 955, for adopting the four-piece type lens arrangement of the negative refracting power of pre-group, the positive refracting power of back group, lens configuration form even so can obtain bigger field angle, but, be difficult to system aberration is done good revisal because the back group only disposes a slice lens.Moreover, automobile is equipped with popularizing of reverse image device in recent years, the wide viewing angle capture mirror group that is equipped with high-res has become a kind of trend, therefore be badly in need of a kind of possess Wide-angle and high image quality are arranged, and be unlikely to the wide viewing angle capture mirror group that makes the camera lens total length long.

The utility model content

The utility model provides a kind of wide viewing angle capture mirror group, by the thing side to comprising in regular turn as side: first lens of the negative refracting power of a tool, its thing side surface are convex surface and are concave surface as side surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And the 5th lens of the positive refracting power of a tool; Wherein, two pieces of tool refracting power lens of the most close thing side are these first lens and this second lens in this wide viewing angle capture mirror group, and the lens of tool refracting power are no more than six pieces in this wide viewing angle capture mirror group; The focal length of these first lens is f1, the focal length of these second lens is f2, these second lens and the distance of the 3rd lens on optical axis are T23, these first lens and the distance of these second lens on optical axis are T12, the 4th lens be R8 as the side surface radius-of-curvature, the thing side surface radius-of-curvature of the 4th lens is R7, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.15＜T23/T12＜0.69；

-1.40＜R8/R7＜0.70; And

0.30＜f/ImgH＜1.25。

On the other hand, the utility model provides a kind of wide viewing angle capture mirror group, is extremely comprised in regular turn as side by the thing side: first lens of the negative refracting power of a tool, and it is a concave surface as side surface; Second lens of the negative refracting power of one tool, it is a concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool; And the 5th lens of the positive refracting power of a tool; Wherein, be provided with an aperture in addition between these second lens and the 4th lens in this wide viewing angle capture mirror group; Wherein, two pieces of tool refracting power lens of the most close thing side are these first lens and this second lens in this wide viewing angle capture mirror group, and the lens of tool refracting power are no more than six pieces in this wide viewing angle capture mirror group; The focal length of these first lens is f1, the focal length of these second lens is f2, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.20＜SL/TTL＜0.85; And

TTL/ImgH＜8.6。

Again on the other hand, the utility model provides a kind of wide viewing angle capture mirror group, is extremely comprised in regular turn as side by the thing side: first lens of the negative refracting power of a tool, and it is a concave surface as side surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And the 5th lens of the positive refracting power of a tool; Wherein, the lens of tool refracting power are five pieces in this wide viewing angle capture mirror group; The thickness of the 4th lens on optical axis is CT4, the 4th lens be R8 as the side surface radius-of-curvature, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜CT4/R8＜0.70; And

0.30＜f/ImgH＜1.25。

The utility model can provide the field angle of system's tool abundance by above-mentioned mirror configuration set mode, reduces the susceptibility of system, and obtains good image quality.

In the utility model wide viewing angle capture mirror group, these first lens and this second lens are the negative refracting power of tool all, and it is a concave surface as side surface, helps enlarging the field angle of system, and distribute required negative refracting power mutually by two pieces of negative lenses, can help to reduce the excessive increase of system aberration.The positive refracting power of the 3rd lens tool provides system required part refracting power, and helps to revise these first lens of the negative refracting power of tool and the aberration that this second lens are produced.The 4th lens tool is born refracting power, can help the aberration of update the system.The positive refracting power of the 5th lens tool can effectively distribute the refracting power of the 3rd lens, helps to reduce the susceptibility of system.

In the utility model wide viewing angle capture mirror group, when the thing side surface of these first lens is convex surface and is concave surface as side surface, and the thing side surface of these second lens is a convex surface and when being concave surface as side surface, help to enlarge the field angle of system, and the refraction for incident ray comparatively relaxes, can avoid aberration excessively to increase, therefore help enlarging system's field angle and revising in the aberration and obtain good balance; When the 4th lens thing side surface is concave surface, can help the aberration of update the system, preferably, the thing side surface of the 4th lens and be all concave surface as side surface; Be all convex surface when the thing side surface of the 5th lens and as side surface, can help to strengthen the positive refracting power of the 5th lens, help distributing the refracting power of the 3rd lens, to reduce the susceptibility of system; Wherein, preferably, the 4th lens can engage one another with the 5th lens becomes doublet (Doublet), the more effectively correction of strengthening system aberration.In addition, in the utility model wide viewing angle capture mirror group, preferably, more can include one the 6th lens, it can insert between wantonly two pieces of lens of these second lens and the 5th lens, more helps the higher order aberratons of update the system, makes system obtain higher image quality.

In the utility model wide viewing angle capture mirror group, this aperture can place between these second lens and the 4th lens.In wide-angle optics, need do correction to distorting (Distortion) and multiplying power look receipts poor (Chromatic Aberration ofMagnification) especially, its method is for to place system light flexion equilibrium of forces place with aperture, therefore the utility model wide viewing angle capture mirror group places aperture between these second lens and the 4th lens, its purpose is to utilize at least two pieces of negative lenses of configuration before aperture, make system obtain sufficient field angle, at least two pieces of lens of configuration are after aperture simultaneously, then can make system aberration obtain good revisal, obtaining the characteristic of Wide-angle and high image quality, and so configuration mode can help to reduce the susceptibility of system.

Description of drawings

Figure 1A is the wide viewing angle capture mirror group synoptic diagram of the utility model first embodiment.

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

Fig. 2 A is the wide viewing angle capture mirror group synoptic diagram of the utility model second embodiment.

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

Fig. 3 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 3rd embodiment.

Fig. 3 B is the aberration curve figure of the utility model the 3rd embodiment.

Fig. 4 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 4th embodiment.

Fig. 4 B is the aberration curve figure of the utility model the 4th embodiment.

Fig. 5 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 5th embodiment.

Fig. 5 B is the aberration curve figure of the utility model the 5th embodiment.

Fig. 6 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 6th embodiment.

Fig. 6 B is the aberration curve figure of the utility model the 6th embodiment.

Fig. 7 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 7th embodiment.

Fig. 7 B is the aberration curve figure of the utility model the 7th embodiment.

Fig. 8 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 8th embodiment.

Fig. 8 B is the aberration curve figure of the utility model the 8th embodiment.

Fig. 9 A is the wide viewing angle capture mirror group synoptic diagram of the utility model the 9th embodiment.

Fig. 9 B is the aberration curve figure of the utility model the 9th embodiment.

Figure 10 is a table one, is the optical data of the utility model first embodiment.

Figure 11 is a table two, is the aspherical surface data of the utility model first embodiment.

Figure 12 is a table three, is the optical data of the utility model second embodiment.

Figure 13 is a table four, is the aspherical surface data of the utility model second embodiment.

Figure 14 is a table five, is the optical data of the utility model the 3rd embodiment.

Figure 15 is a table six, is the aspherical surface data of the utility model the 3rd embodiment.

Figure 16 is a table seven, is the optical data of the utility model the 4th embodiment.

Figure 17 is a table eight, is the aspherical surface data of the utility model the 4th embodiment.

Figure 18 is a table nine, is the optical data of the utility model the 5th embodiment.

Figure 19 is a table ten, is the aspherical surface data of the utility model the 5th embodiment.

Figure 20 is a table ten one, is the optical data of the utility model the 6th embodiment.

Figure 21 is a table ten two, is the aspherical surface data of the utility model the 6th embodiment.

Figure 22 is a table ten three, is the optical data of the utility model the 7th embodiment.

Figure 23 is a table ten four, is the aspherical surface data of the utility model the 7th embodiment.

Figure 24 is a table ten five, is the optical data of the utility model the 8th embodiment.

Figure 25 is a table ten six, is the aspherical surface data of the utility model the 8th embodiment.

Figure 26 is a table ten seven, is the optical data of the utility model the 9th embodiment.

Figure 27 is a table ten eight, is the numeric data of the utility model first embodiment to the nine embodiment correlationship formulas.

Drawing reference numeral:

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

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

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

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

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

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

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

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

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

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

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

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

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

The 5th lens 150,250,350,450,550,650,750,850,950

Thing side surface 151,251,351,451,551,651,751,851,951

Picture side surface 152,252,352,452,552,652,752,852,952

The 6th lens 860,960

Thing side surface 861,961

Picture side surface 862,962

Infrared ray filtering optical filter 160,260,360,460,560,660,760,870,970

Cover glass 270,570,880

Imaging surface 190,290,390,490,590,690,790,890,990

The focal length of whole wide viewing angle capture mirror group is f

The focal length of first lens is f1

The focal length of second lens is f2

The f-number of whole wide viewing angle capture mirror group is Fno

Half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group

The first lens abbe number is V1

The second lens abbe number is V2

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

The 4th lens thing side surface radius-of-curvature is R7

The first lens thing side surface radius-of-curvature is R1

First lens are R2 as the side surface radius-of-curvature

Second lens and the distance of the 3rd lens on optical axis are T23

First lens and the distance of second lens on optical axis are T12

The thickness of the 4th lens on optical axis is CT4

Half of sense electronics optical element effective pixel area diagonal angle line length is ImgH

Aperture to the distance of this sense electronics optical element on optical axis is SL

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

Embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further details below in conjunction with accompanying drawing.At this, illustrative examples of the present utility model and explanation thereof are used to explain the utility model, but not as to qualification of the present utility model.

The utility model provides a kind of wide viewing angle capture mirror group, by the thing side to comprising in regular turn as side: first lens of the negative refracting power of a tool, its thing side surface are convex surface and are concave surface as side surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And the 5th lens of the positive refracting power of a tool; Wherein, two pieces of tool refracting power lens of the most close thing side are these first lens and this second lens in this wide viewing angle capture mirror group; And the lens of tool refracting power are no more than six pieces in this wide viewing angle capture mirror group; The focal length of these first lens is f1, the focal length of these second lens is f2, these second lens and the distance of the 3rd lens on optical axis are T23, these first lens and the distance of these second lens on optical axis are T12, the 4th lens be R8 as the side surface radius-of-curvature, the thing side surface radius-of-curvature of the 4th lens is R7, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.15＜T23/T12＜0.69；

-1.40＜R8/R7＜0.70; And

0.30＜f/ImgH＜1.25。

When aforementioned wide viewing angle capture mirror group satisfied following relationship formula: 0＜f1/f2＜2.00, the configuration of the refracting power of these first lens and these second lens was comparatively suitable, can help obtaining field angle widely and reduce the excessive increase of system aberration; Further, be preferably and satisfy following relationship formula: 0＜f1/f2＜1.2.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0.15＜T23/T12＜0.69, can make this first lens in this wide viewing angle capture mirror group comparatively suitable to the lens spacing distance configuration of the 3rd lens, can avoid distance too short and cause difficulty in the assembling, or distance is long and influence the miniaturization of camera lens.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula :-1.40＜R8/R7＜0.70, can make the 4th lens that sufficient negative refracting power is provided, help the aberration of update the system, with the resolving power of elevator system.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0.30＜f/ImgH＜1.25, can help the field angle of guaranteeing that this wide viewing angle capture mirror group possesses abundance; Further, be preferably and satisfy following relationship formula: 0.40＜f/ImgH＜1.10.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the thing side surface of the 5th lens and be convex surface as side surface can help to strengthen the positive refracting power of the 5th lens, helps distributing the refracting power of the 3rd lens, to reduce the susceptibility of system.

In the aforementioned wide viewing angle capture of the utility model mirror group, the thing side surface radius-of-curvature of these first lens is R1 and is R2 as the side surface radius-of-curvature, preferably, is to satisfy the following relationship formula: 1.03＜(R1+R2)/(R1-R2)＜3.00.When (R1+R2)/(R1-R2) satisfied the above-mentioned relation formula, the lens shape that can effectively control these first lens was crescent,, comparatively relaxed for the refraction of incident ray when enlarging field angle with favourable system, can avoid aberration excessively to increase.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, these second lens have aspheric surface, and this second lens material is a plastic cement.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, this wide viewing angle capture mirror group is provided with an aperture in addition between these second lens and the 4th lens, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, satisfies following relationship formula: 0.30＜SL/TTL＜0.65.When SL/TTL satisfies the above-mentioned relation formula, help at shortening camera lens volume and enlarge between system's field angle obtaining good balance.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, at least comprise one piece of aspheric lens of tool in this wide viewing angle capture mirror group, non-spherical lens 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, and can effectively reduce the optics total length of the utility model wide viewing angle capture mirror group.

In the aforementioned wide viewing angle capture of the utility model mirror group, the abbe number of these first lens (Abbe Number) is V1, and the abbe number of these second lens is V2, preferably, is to satisfy following relationship formula: 20＜V1-V2＜50.When V1-V2 satisfies the above-mentioned relation formula, help to promote the ability of this wide viewing angle capture mirror group correction aberration.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the lens of tool refracting power are five pieces in this wide viewing angle capture mirror group.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the 4th lens be concave surface as side surface, can help the aberration of update the system.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the 4th lens engage one another with the 5th lens becomes doublet, more effectively the correction of strengthening system aberration.

In the aforementioned wide viewing angle capture of the utility model mirror group, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, is to satisfy following relationship formula: TTL/ImgH＜8.6.Further, be preferably and satisfy following relationship formula: TTL/ImgH＜6.0.

On the other hand, the utility model provides a kind of wide viewing angle capture mirror group, is extremely comprised in regular turn as side by the thing side: first lens of the negative refracting power of a tool, and it is a concave surface as side surface; Second lens of the negative refracting power of one tool, it is a concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool; And the 5th lens of the positive refracting power of a tool; Wherein, be provided with an aperture in addition between these second lens and the 4th lens in this wide viewing angle capture mirror group; Wherein, two pieces of tool refracting power lens of the most close thing side are these first lens and this second lens in this wide viewing angle capture mirror group; And the lens of tool refracting power are no more than six pieces in this wide viewing angle capture mirror group; The focal length of these first lens is f1, the focal length of these second lens is f2, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, this aperture to the distance of this sense electronics optical element on optical axis is SL, the thing side surface of these first lens to the distance of this sense electronics optical element on optical axis is TTL, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.20＜SL/TTL＜0.85; And

TTL/ImgH＜8.6。

When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0＜f1/f2＜2.00, the configuration of the refracting power of these first lens and these second lens is comparatively suitable, can help obtaining field angle widely and reduce the excessive increase of system aberration; Further, be preferably and satisfy following relationship formula: 0＜f1/f2＜1.2.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0.20＜SL/TTL＜0.85, help at shortening camera lens volume and enlarge between system's field angle obtaining good balance.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: TTL/ImgH＜8.6, help enlarging field angle and reduce the camera lens total length.

In the aforementioned wide viewing angle capture of the utility model mirror group, this aperture is set between these second lens and the 4th lens, purpose is to utilize at least two pieces of negative lenses of configuration before this aperture, make system obtain sufficient field angle, at least two pieces of lens of configuration are after this aperture simultaneously, then can make system aberration obtain good revisal, obtaining the characteristic of Wide-angle and high image quality, and so configuration mode can help to reduce the susceptibility of system.

In the aforementioned wide viewing angle capture of the utility model mirror group, two pieces of tool refracting power lens of the most close thing side are these first lens and this second lens, help enlarging the field angle of system, and distribute required negative refracting power mutually, can help to reduce the excessive increase of system aberration by two pieces of negative lenses.

In the aforementioned wide viewing angle capture of the utility model mirror group, the lens of tool refracting power are no more than six pieces, for example, can comprise one the 6th lens, it can place between wantonly two pieces of lens of these second lens and the 5th lens, helps the higher order aberratons of update the system, makes system obtain higher image quality.

In the aforementioned wide viewing angle capture of the utility model mirror group, the thing side surface radius-of-curvature of these first lens is R1 and is R2 as the side surface radius-of-curvature, preferably, is to satisfy the following relationship formula: 1.03＜(R1+R2)/(R1-R2)＜3.00.When (R1+R2)/(R1-R2) satisfied the above-mentioned relation formula, the lens shape that can effectively control these first lens was crescent,, comparatively relaxed for the refraction of incident ray when enlarging field angle with favourable system, can avoid aberration excessively to increase.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the lens of tool refracting power are five pieces.

In the aforementioned wide viewing angle capture of the utility model mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, preferably, is to satisfy following relationship formula: 0.40＜f/ImgH＜1.10.When f/ImgH satisfies the above-mentioned relation formula, can help the field angle of guaranteeing that this wide viewing angle capture mirror group possesses abundance.

In the aforementioned wide viewing angle capture of the utility model mirror group, the 4th lens be that R8 and thing side surface radius-of-curvature are R7 as the side surface radius-of-curvature, preferably, be to satisfy following relationship formula :-1.40＜R8/R7＜0.70.When R8/R7 satisfies the above-mentioned relation formula, can make the 4th lens that sufficient negative refracting power is provided, help the aberration of update the system, with the resolving power of elevator system.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the thing side surface of the 4th lens and be all concave surface as side surface can help the aberration of update the system.

Again on the other hand, the utility model proposes a kind of wide viewing angle capture mirror group, extremely comprise in regular turn as side by the thing side: first lens of the negative refracting power of a tool, it is a concave surface as side surface; Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface; The 3rd lens of the positive refracting power of one tool; The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And the 5th lens of the positive refracting power of a tool; Wherein, the lens of tool refracting power are five pieces in this wide viewing angle capture mirror group; The thickness of the 4th lens on optical axis is CT4, the 4th lens be R8 as the side surface radius-of-curvature, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element wherein is set in addition for the object imaging in this wide viewing angle capture mirror group, half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜CT4/R8＜0.7

0.30＜f/ImgH＜1.25。

When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0＜CT4/R8＜0.70, can avoid the 4th lens thickness and curvature excessive, help image quality.When aforementioned wide viewing angle capture mirror group satisfies following relationship formula: 0.30＜f/ImgH＜1.25, can help the field angle of guaranteeing that this wide viewing angle capture mirror group possesses abundance.

In the aforementioned wide viewing angle capture of the utility model mirror group, the thing side surface radius-of-curvature of these first lens is R1 and is R2 as the side surface radius-of-curvature, preferably, is to satisfy the following relationship formula: 1.03＜(R1+R2)/(R1-R2)＜3.00.When (R1+R2)/(R1-R2) satisfied the above-mentioned relation formula, the lens shape that can effectively control these first lens was crescent,, comparatively relaxed for the refraction of incident ray when enlarging field angle with favourable system, can avoid aberration excessively to increase.

In the aforementioned wide viewing angle capture of the utility model mirror group, the focal length of these first lens is f1, and the focal length of these second lens is f2, preferably, is to satisfy following relationship formula: 0＜f1/f2＜1.20.When f1/f2 satisfied the above-mentioned relation formula, the refracting power of these first lens and these second lens configuration was comparatively suitable, can help obtaining field angle widely and reduce the excessive increase of system aberration.

In the aforementioned wide viewing angle capture of the utility model mirror group, preferably, the 4th lens thing side surface is a concave surface, can help the aberration of update the system.

In the utility model wide viewing angle capture mirror group, 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 the utility model wide viewing angle capture mirror group,, represent that then this lens surface is a convex surface at 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 at paraxial place.

The utility model wide viewing angle capture mirror group will be described in detail by following specific embodiment conjunction with figs..

First embodiment:

The utility model first embodiment sees also Figure 1A, and the aberration curve of first embodiment sees also Figure 1B.The wide viewing angle capture mirror group of first embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 110 of the negative refracting power of one tool, its thing side surface 111 are that convex surface and picture side surface 112 are concave surface, and its material is a glass;

Second lens 120 of the negative refracting power of one tool, its thing side surface 121 be that convex 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 and be all convex surface as side surface 132, 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;

The 4th lens 140 of the negative refracting power of one tool, its thing side surface 141 and be all concave surface as side surface 142, its material is a glass; And

The 5th lens 150 of the positive refracting power of one tool, its thing side surface 151 and be all convex surface as side surface 152, its material is a glass, the 4th lens 140 and the 5th lens 150 engage one another becomes pairing lens;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 100 in addition and places between the 3rd lens 130 and the 4th lens 140, and a sense electronics optical element is set at an imaging surface 190 places, for the object imaging;

Other includes an infrared ray filtering optical filter (IR-filter) 160 and places looking like between side surface 152 and this imaging surface 190 of the 5th lens 150; The material of this infrared ray filtering optical filter 160 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

$X\left(Y\right)=({\mathrm{<figure-callout\; id="2"\; label="Y"\; filenames="HDA0000031558340000191.png,HDA0000031558340000211.png"\; state="\{\{state\}\}">Y</figure-callout>}}^2/R)/(1+\mathrm{sqrt}(1-(1+k)*{(Y/R)}^2))+\underset{i}{\mathrm{\&Sigma;}}\left(\mathrm{Ai}\right)*\left(Y^i\right)$

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 wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=2.78 (millimeter).

In the first embodiment wide viewing angle capture mirror group, the f-number (f-number) of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.80.

In the first embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=78.0 (degree).

In the first embodiment wide viewing angle capture mirror group, 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=33.3.

In the first embodiment wide viewing angle capture mirror group, the focal length of these first lens 110 is f1, and the focal length of these second lens 120 is f2, and its relational expression is: f1/f2=0.26.

In the first embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 142 radius-of-curvature, thing side surface 141 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.26.

In the first embodiment wide viewing angle capture mirror group, thing side surface 111 radius-of-curvature of these first lens are R1 and are R2 as side surface 112 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.11.

In the first embodiment wide viewing angle capture mirror group, these second lens 120 are T23 with the distance of the 3rd lens 130 on optical axis, and these first lens 110 are T12 with the distance of these second lens 120 on optical axis, and its relational expression is: T23/T12=0.34.

In the first embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 140 on optical axis is CT4, the 4th lens be R8 as side surface 142 radius-of-curvature, its relational expression is: CT4/R8=0.11.

In the first embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.93.

In the first embodiment wide viewing angle capture mirror group, this aperture 100 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 111 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.45.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.97.

The detailed optical data of first embodiment is shown in Figure 10 table one, and its aspherical surface data is shown in Figure 11 table two, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

Second embodiment:

The utility model second embodiment sees also Fig. 2 A, and the aberration curve of second embodiment sees also Fig. 2 B.The wide viewing angle capture mirror group of second embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 210 of the negative refracting power of one tool, its thing side surface 211 are that convex surface and picture side surface 212 are concave surface, and its material is a glass;

Second lens 220 of the negative refracting power of one tool, its thing side surface 221 be that convex 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 and be all convex surface as side surface 232, 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;

The 4th lens 240 of the negative refracting power of one tool, its thing side surface 241 and be all concave surface as side surface 242, its material is a plastic cement, the thing side surface 241 of the 4th lens 240 and be all aspheric surface as side surface 242; And

The 5th lens 250 of the positive refracting power of one tool, its thing side surface 251 and be all convex surface as side surface 252, its material is a plastic cement, the thing side surface 251 of the 5th lens 250 and be all aspheric surface as side surface 252;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 200 in addition and places between these second lens 220 and the 3rd lens 230, and a sense electronics optical element is set in an imaging surface 290 places, for the object imaging;

Other includes an infrared ray filtering optical filter 260 and a cover glass (Cover-glass) 270 places between the picture side surface 252 and this imaging surface 290 of the 5th lens 250 in regular turn; The material of this infrared ray filtering optical filter 260 and this cover glass 270 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the second embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=1.19 (millimeter).

In the second embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.20.

In the second embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=84.1 (degree).

In the second embodiment wide viewing angle capture mirror group, 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=31.3.

In the second embodiment wide viewing angle capture mirror group, the focal length of these first lens 210 is f1, and the focal length of these second lens 220 is f2, and its relational expression is: f1/f2=0.94.

In the second embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 142 radius-of-curvature, thing side surface 141 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.75.

In the second embodiment wide viewing angle capture mirror group, thing side surface 211 radius-of-curvature of these first lens are R1 and are R2 as side surface 212 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.83.

In the second embodiment wide viewing angle capture mirror group, these second lens 220 are T23 with the distance of the 3rd lens 230 on optical axis, and these first lens 210 are T12 with the distance of these second lens 220 on optical axis, and its relational expression is: T23/T12=0.33.

In the second embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 240 on optical axis is CT4, the 4th lens be R8 as side surface 242 radius-of-curvature, its relational expression is: CT4/R8=0.36.

In the second embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.46.

In the second embodiment wide viewing angle capture mirror group, this aperture 200 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 211 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.51.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.63.

The detailed optical data of second embodiment is shown in Figure 12 table three, and its aspherical surface data is shown in Figure 13 table four, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 3rd embodiment:

The utility model the 3rd embodiment sees also Fig. 3 A, and the aberration curve of the 3rd embodiment sees also Fig. 3 B.The wide viewing angle capture mirror group of the 3rd embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 310 of the negative refracting power of one tool, its thing side surface 311 are that convex surface and picture side surface 312 are concave surface, and its material is a glass;

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 of the positive refracting power of one tool, its thing side surface 321 are that concave surface and picture side surface 322 are convex surface, and its material is a plastic cement, the thing side surface 321 of the 3rd lens 320 and be all aspheric surface as side surface 322;

The 4th lens 340 of the negative refracting power of one tool, its thing side surface 341 are that convex surface and picture side surface 342 are concave surface, and its material is a glass; And

The 5th lens 350 of the positive refracting power of one tool, its thing side surface 351 and be all convex surface as side surface 352, its material is a glass, the 4th lens 340 and the 5th lens 350 engage one another becomes pairing lens;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 300 in addition and places between the 3rd lens 330 and the 4th lens 340, and a sense electronics optical element is set in an imaging surface 390 places, for the object imaging;

Other includes an infrared ray filtering optical filter 360 and places looking like between side surface 352 and this sense electronics optical element imaging surface 390 of the 5th lens 350; The material of this infrared ray filtering optical filter 360 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 3rd embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=2.68 (millimeter).

In the 3rd embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.8.

In the 3rd embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=75.5 (degree).

In the 3rd embodiment wide viewing angle capture mirror group, 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=36.5.

In the 3rd embodiment wide viewing angle capture mirror group, the focal length of these first lens 310 is f1, and the focal length of these second lens 320 is f2, and its relational expression is: f1/f2=0.13.

In the 3rd embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 342 radius-of-curvature, thing side surface 341 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=0.21.

In the 3rd embodiment wide viewing angle capture mirror group, thing side surface 311 radius-of-curvature of these first lens are R1 and are R2 as side surface 312 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.24.

In the 3rd embodiment wide viewing angle capture mirror group, these second lens 320 are T23 with the distance of the 3rd lens 330 on optical axis, and these first lens 310 are T12 with the distance of these second lens 320 on optical axis, and its relational expression is: T23/T12=0.44.

In the 3rd embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 340 on optical axis is CT4, the 4th lens be R8 as side surface 342 radius-of-curvature, its relational expression is: CT4/R8=0.11.

In the 3rd embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.96.

In the 3rd embodiment wide viewing angle capture mirror group, this aperture 300 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 311 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.50.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.32.

The detailed optical data of the 3rd embodiment is shown in Figure 14 table five, and its aspherical surface data is shown in Figure 15 table six, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 4th embodiment:

The utility model the 4th embodiment sees also Fig. 4 A, and the aberration curve of the 4th embodiment sees also Fig. 4 B.The wide viewing angle capture mirror group of the 4th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 410 of the negative refracting power of one tool, its thing side surface 411 and be all concave surface as side surface 412, 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 and be all convex surface as side surface 432, 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;

The 4th lens 440 of the negative refracting power of one tool, its thing side surface 441 and be all concave surface as side surface 442, its material is a glass; And

The 5th lens 450 of the positive refracting power of one tool, its thing side surface 451 and be all convex surface as side surface 452, its material is a glass, the 4th lens 440 and the 5th lens 450 engage one another becomes pairing lens;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 400 in addition and places between the 3rd lens 430 and the 4th lens 440, and a sense electronics optical element is set in an imaging surface 490 places, for the object imaging;

Other includes an infrared ray filtering optical filter 460 and places looking like between side surface 452 and this imaging surface 490 of the 5th lens 450; The material of this infrared ray filtering optical filter 460 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 4th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=2.49 (millimeter).

In the 4th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.80.

In the 4th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=73.2 (degree).

In the 4th embodiment wide viewing angle capture mirror group, 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 wide viewing angle capture mirror group, the focal length of these first lens 410 is f1, and the focal length of these second lens 420 is f2, and its relational expression is: f1/f2=0.16.

In the 4th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 442 radius-of-curvature, thing side surface 441 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.13.

In the 4th embodiment wide viewing angle capture mirror group, thing side surface 411 radius-of-curvature of these first lens are R1 and are R2 as side surface 412 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=0.40.

In the 4th embodiment wide viewing angle capture mirror group, these second lens 420 are T23 with the distance of the 3rd lens 430 on optical axis, and these first lens 410 are T12 with the distance of these second lens 420 on optical axis, and its relational expression is: T23/T12=0.30.

In the 4th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 440 on optical axis is CT4, the 4th lens be R8 as side surface 442 radius-of-curvature, its relational expression is: CT4/R8=0.11.

In the 4th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.83.

In the 4th embodiment wide viewing angle capture mirror group, this aperture 400 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 411 of these first lens is TTL to the distance of this sense electronics optical element 490 on optical axis, and its relational expression is: SL/TTL=0.46.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.63.

The detailed optical data of the 4th embodiment is shown in Figure 16 table seven, and its aspherical surface data is shown in Figure 17 table eight, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 5th embodiment:

The utility model the 5th embodiment sees also Fig. 5 A, and the aberration curve of the 5th embodiment sees also Fig. 5 B.The wide viewing angle capture mirror group of the 5th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 510 of the negative refracting power of one tool, its thing side surface 511 are that convex surface and picture side surface 512 are concave surface, and its material is a glass;

Second lens 520 of the negative refracting power of one tool, its thing side surface 521 be that convex 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 and picture side surface 532 are convex surface, 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;

The 4th lens 540 of the negative refracting power of one tool, its thing side surface 541 and be all concave surface as side surface 542, its material is a plastic cement, the thing side surface 541 of the 4th lens 540 and be all aspheric surface as side surface 542; And

The 5th lens 550 of the positive refracting power of one tool, its thing side surface 551 are that concave surface and picture side surface 552 are convex surface, and its material is a plastic cement, the thing side surface 551 of the 5th lens 550 and be all aspheric surface as side surface 552;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 500 in addition and places between these second lens 520 and the 3rd lens 540, and a sense electronics optical element is set in an imaging surface 590 places, for the object imaging;

Other includes an infrared ray filtering optical filter 560 and a cover glass 570 places between the picture side surface 552 and this imaging surface 590 of the 5th lens 550 in regular turn; The material of this infrared ray filtering optical filter 560 and this cover glass 570 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 5th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=1.23 (millimeter).

In the 5th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.20.

In the 5th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=84.0 (degree).

In the 5th embodiment wide viewing angle capture mirror group, 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=31.3.

In the 5th embodiment wide viewing angle capture mirror group, the focal length of these first lens 510 is f1, and the focal length of these second lens 520 is f2, and its relational expression is: f1/f2=0.91.

In the 5th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 542 radius-of-curvature, thing side surface 541 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.37.

In the 5th embodiment wide viewing angle capture mirror group, thing side surface 511 radius-of-curvature of these first lens are R1 and are R2 as side surface 512 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.83.

In the 5th embodiment wide viewing angle capture mirror group, these second lens 520 are T23 with the distance of the 3rd lens 530 on optical axis, and these first lens 510 are T12 with the distance of these second lens 520 on optical axis, and its relational expression is: T23/T12=0.29.

In the 5th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 540 on optical axis is CT4, the 4th lens be R8 as side surface 542 radius-of-curvature, its relational expression is: CT4/R8=0.39.

In the 5th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.47.

In the 5th embodiment wide viewing angle capture mirror group, this aperture 500 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 511 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.49.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.53.

The detailed optical data of the 5th embodiment is shown in Figure 18 table nine, and its aspherical surface data is shown in Figure 19 table ten, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 6th embodiment:

The utility model the 6th embodiment sees also Fig. 6 A, and the aberration curve of the 6th embodiment sees also Fig. 6 B.The wide viewing angle capture mirror group of the 6th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 610 of the negative refracting power of one tool, its thing side surface 611 be that convex surface and picture side surface 612 are concave 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 convex 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 and picture side surface 632 are convex surface, 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;

The 4th lens 640 of the negative refracting power of one tool, its thing side surface 641 and picture side surface 642 are concave surface, its material is a glass; And

The 5th lens 650 of the positive refracting power of one tool, its thing side surface 651 and be all convex surface as side surface 652, its material is a glass, the 4th lens 640 and the 5th lens 650 engage one another becomes pairing lens;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 600 in addition and places between the 3rd lens 630 and the 4th lens 640, and a sense electronics optical element is set in an imaging surface 690 places, for the object imaging;

Other includes an infrared ray filtering optical filter 660 and places looking like between side surface 652 and this imaging surface 690 of the 5th lens 650; The material of this infrared ray filtering optical filter 660 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 6th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=3.06 (millimeter).

In the 6th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.80.

In the 6th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=77.8 (degree).

In the 6th embodiment wide viewing angle capture mirror group, 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=30.2.

In the 6th embodiment wide viewing angle capture mirror group, the focal length of these first lens 610 is f1, and the focal length of these second lens 620 is f2, and its relational expression is: f1/f2=0.25.

In the 6th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 642 radius-of-curvature, thing side surface 641 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.18.

In the 6th embodiment wide viewing angle capture mirror group, thing side surface 611 radius-of-curvature of these first lens are R1 and are R2 as side surface 612 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.08.

In the 6th embodiment wide viewing angle capture mirror group, these second lens 620 are T23 with the distance of the 3rd lens 630 on optical axis, and these first lens 610 are T12 with the distance of these second lens 620 on optical axis, and its relational expression is: T23/T12=0.51.

In the 6th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 640 on optical axis is CT4, the 4th lens be R8 as side surface 642 radius-of-curvature, its relational expression is: CT4/R8=0.19.

In the 6th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=1.02.

In the 6th embodiment wide viewing angle capture mirror group, this aperture 600 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 611 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.46.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=4.63.

The detailed optical data of the 6th embodiment is shown in Figure 20 table ten one, and its aspherical surface data is shown in Figure 21 table ten two, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 7th embodiment:

The utility model the 7th embodiment sees also Fig. 7 A, and the aberration curve of the 7th embodiment sees also Fig. 7 B.The wide viewing angle capture mirror group of the 7th embodiment mainly is made of five pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 710 of the negative refracting power of one tool, its thing side surface 711 are that convex surface and picture side surface 712 are concave surface, and its material is a glass;

Second lens 720 of the negative refracting power of one tool, its thing side surface 721 and picture side surface 722 are concave surface, 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 positive refracting power of one tool, its thing side surface 731 and picture side surface 732 are convex surface, 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;

The 4th lens 740 of the negative refracting power of one tool, its thing side surface 741 and picture side surface 742 are concave surface, its material is a glass; And

The 5th lens 750 of the positive refracting power of one tool, its thing side surface 751 and picture side surface 752 are convex surface, and its material is a glass, and the 4th lens 740 and the 5th lens 750 engage one another becomes pairing lens;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 700 in addition and places between the 3rd lens 730 and the 4th lens 740, and a sense electronics optical element is set in an imaging surface 790 places, for the object imaging;

Other includes an infrared ray filtering optical filter 760 and places looking like between side surface 752 and this imaging surface 790 of the 5th lens 750; The material of this infrared ray filtering optical filter 760 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 7th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=2.75 (millimeter).

In the 7th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.40.

In the 7th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=84.0 (degree).

In the 7th embodiment wide viewing angle capture mirror group, 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=42.7.

In the 7th embodiment wide viewing angle capture mirror group, the focal length of these first lens 710 is f1, and the focal length of these second lens 720 is f2, and its relational expression is: f1/f2=1.13.

In the 7th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 742 radius-of-curvature, thing side surface 741 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-0.35.

In the 7th embodiment wide viewing angle capture mirror group, thing side surface 711 radius-of-curvature of these first lens are R1 and are R2 as side surface 712 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.37.

In the 7th embodiment wide viewing angle capture mirror group, these second lens 720 are T23 with the distance of the 3rd lens 730 on optical axis, and these first lens 710 are T12 with the distance of these second lens 720 on optical axis, and its relational expression is: T23/T12=0.81.

In the 7th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 740 on optical axis is CT4, the 4th lens be R8 as side surface 742 radius-of-curvature, its relational expression is: CT4/R8=0.11.

In the 7th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.89.

In the 7th embodiment wide viewing angle capture mirror group, this aperture 700 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 711 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.43.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=5.77.

The detailed optical data of the 7th embodiment is shown in Figure 22 table ten three, and its aspherical surface data is shown in Figure 23 table ten four, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 8th embodiment:

The utility model the 8th embodiment sees also Fig. 8 A, and the aberration curve of the 8th embodiment sees also Fig. 8 B.The wide viewing angle capture mirror group of the 8th embodiment mainly is made of six pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 810 of the negative 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 glass;

Second lens 820 of the negative refracting power of one tool, its thing side surface 821 be that convex 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 surface 831 and be all convex surface as side surface 832, its material is a glass;

The 4th lens 840 of the negative refracting power of one tool, its thing side surface 841 and be all concave surface as side surface 842, its material is a plastic cement, the thing side surface 841 of the 4th lens 840 and be all aspheric surface as side surface 842; And

The 5th lens 850 of the positive refracting power of one tool, its thing side surface 851 and be all convex surface as side surface 852, its material is a plastic cement, the thing side surface 851 of the 5th lens 850 and be all aspheric surface as side surface 852;

Wherein, the 6th lens 860 that more include the positive refracting power of a tool in this wide viewing angle capture mirror group, it inserts between these second lens 820 and the 3rd lens 830, and the thing side surface 861 of the 6th lens 860 is that convex surface and picture side surface 862 are concave surface, and its material is a glass;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 800 in addition and places between the 6th lens 860 and the 3rd lens 830, and a sense electronics optical element is set in an imaging surface 890 places, for the object imaging;

Other includes an infrared ray filtering optical filter 870 and a cover glass 880 places between the picture side surface 852 and this imaging surface 890 of the 5th lens 850 in regular turn; The material of this infrared ray filtering optical filter 870 and this cover glass 880 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

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

In the 8th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=1.27 (millimeter).

In the 8th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.82.

In the 8th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=72.4 (degree).

In the 8th embodiment wide viewing angle capture mirror group, 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=4.5.

In the 8th embodiment wide viewing angle capture mirror group, the focal length of these first lens 810 is f1, and the focal length of these second lens 820 is f2, and its relational expression is: f1/f2=3.02.

In the 8th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 842 radius-of-curvature, thing side surface 841 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-3.92.

In the 8th embodiment wide viewing angle capture mirror group, thing side surface 811 radius-of-curvature of these first lens are R1 and are R2 as side surface 812 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=2.03.

In the 8th embodiment wide viewing angle capture mirror group, these second lens 820 are T23 with the distance of the 3rd lens 830 on optical axis, and these first lens 810 are T12 with the distance of these second lens 820 on optical axis, and its relational expression is: T23/T12=2.45.

In the 8th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 840 on optical axis is CT4, the 4th lens be R8 as side surface 842 radius-of-curvature, its relational expression is: CT4/R8=0.07.

In the 8th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.56.

In the 8th embodiment wide viewing angle capture mirror group, this aperture 800 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 811 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.42.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=8.14.

The detailed optical data of the 8th embodiment is shown in Figure 24 table ten five, and its aspherical surface data is shown in Figure 25 table ten six, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

The 9th embodiment:

The utility model the 9th embodiment sees also Fig. 9 A, and the aberration curve of the 9th embodiment sees also Fig. 9 B.The wide viewing angle capture mirror group of the 9th embodiment mainly is made of six pieces of lens, is extremely comprised in regular turn as side by the thing side:

First lens 910 of the negative refracting power of one tool, its thing side surface 911 are that convex surface and picture side surface 912 are concave surface, and its material is a glass;

Second lens 920 of the negative refracting power of one tool, its thing side surface 921 are that convex surface and picture side surface 922 are concave surface, and its material is a glass;

The 3rd lens 930 of the positive refracting power of one tool, its thing side surface 931 and be all convex surface as side surface 932, its material is a glass;

The 4th lens 940 of the negative refracting power of one tool, its thing side surface 941 and be all concave surface as side surface 942, its material is a glass; And

The 5th lens 950 of the positive refracting power of one tool, its thing side surface 951 and be all convex surface as side surface 952, its material is a glass;

Wherein, more include the 6th lens 960 of the positive refracting power of a tool in this wide viewing angle capture mirror group, it inserts between these second lens 920 and the 3rd lens 930, its thing side surface 961 and be all convex surface as side surface 962, and its material is a glass;

Wherein, this wide viewing angle capture mirror group is provided with an aperture 900 in addition and places between the 6th lens 960 and the 3rd lens 930, and a sense electronics optical element is set in an imaging surface 990 places, for the object imaging;

Other includes an infrared ray filtering optical filter 970 and places looking like between side surface 952 and this imaging surface 990 of the 5th lens 950; The material of this infrared ray filtering optical filter 970 is that glass and its do not influence the focal length of the utility model wide viewing angle capture mirror group.

In the 9th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and its relational expression is: f=1.70 (millimeter).

In the 9th embodiment wide viewing angle capture mirror group, the f-number of whole wide viewing angle capture mirror group is Fno, and its relational expression is: Fno=2.40.

In the 9th embodiment wide viewing angle capture mirror group, half of maximum visual angle is HFOV in the whole wide viewing angle capture mirror group, and its relational expression is: HFOV=88.7 (degree).

In the 9th embodiment wide viewing angle capture mirror group, 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=0.0.

In the 9th embodiment wide viewing angle capture mirror group, the focal length of these first lens 910 is f1, and the focal length of these second lens 920 is f2, and its relational expression is: f1/f2=0.91.

In the 9th embodiment wide viewing angle capture mirror group, the 4th lens be R8 as side surface 942 radius-of-curvature, thing side surface 941 radius-of-curvature of the 4th lens are R7, its relational expression is: R8/R7=-1.46.

In the 9th embodiment wide viewing angle capture mirror group, thing side surface 911 radius-of-curvature of these first lens are R1 and are R2 as side surface 912 radius-of-curvature that its relational expression is: (R1+R2)/(R1-R2)=1.42.

In the 9th embodiment wide viewing angle capture mirror group, these second lens 920 are T23 with the distance of the 3rd lens 930 on optical axis, and these first lens 910 are T12 with the distance of these second lens 920 on optical axis, and its relational expression is: T23/T12=6.03.

In the 9th embodiment wide viewing angle capture mirror group, the thickness of the 4th lens 940 on optical axis is CT4, the 4th lens be R8 as side surface 942 radius-of-curvature, its relational expression is: CT4/R8=0.12.

In the 9th embodiment wide viewing angle capture mirror group, the focal length of whole wide viewing angle capture mirror group is f, and half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: f/ImgH=0.75.

In the 9th embodiment wide viewing angle capture mirror group, this aperture 900 is SL to the distance of this sense electronics optical element on optical axis, and the thing side surface 911 of these first lens is TTL to the distance of this sense electronics optical element on optical axis, and its relational expression is: SL/TTL=0.40.Moreover half of this sense electronics optical element effective pixel area diagonal angle line length is ImgH, and its relational expression is: TTL/ImgH=8.31.

The detailed optical data of the 9th embodiment is shown in Figure 26 table ten seven, and wherein the unit of radius-of-curvature, thickness and focal length is a millimeter (mm), and HFOV is defined as half of maximum visual angle.

Table one is depicted as the different numerical value change tables of the utility model wide viewing angle capture mirror group embodiment to table ten seven (corresponding Figure 10 to Figure 26 respectively); the all true gained of testing of numerical value change of right each embodiment of the utility model; even use different numerical value; the product of same structure must belong to protection category of the present utility model; so above explanation is described and accompanying drawing only as exemplary, non-in order to limit claim of the present utility model.Table ten eight (corresponding Figure 27) is the numeric data of the corresponding the utility model correlationship of each embodiment formula.

Claims (25)

1. a wide viewing angle capture mirror group is characterized in that, described wide viewing angle capture mirror group is extremely comprised as side in regular turn by the thing side:

First lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;

Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;

The 3rd lens of the positive refracting power of one tool;

The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And

The 5th lens of the positive refracting power of one tool;

Wherein, two pieces of tool refracting power lens of the most close thing side are described first lens and described second lens in the described wide viewing angle capture mirror group; And the lens of tool refracting power are no more than six pieces in the described wide viewing angle capture mirror group; The focal length of described first lens is f1, the focal length of described second lens is f2, described second lens and the distance of described the 3rd lens on optical axis are T23, described first lens and the distance of described second lens on optical axis are T12, described the 4th lens be R8 as the side surface radius-of-curvature, the thing side surface radius-of-curvature of described the 4th lens is R7, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element is set in addition for the object imaging in the wherein said wide viewing angle capture mirror group, half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.15＜T23/T12＜0.69；

-1.40＜R8/R7＜0.70; And

0.30＜f/ImgH＜1.25。

2. wide viewing angle capture mirror group as claimed in claim 1 is characterized in that, the thing side surface of described the 5th lens and be all convex surface as side surface.

3. wide viewing angle capture mirror group as claimed in claim 1 is characterized in that, the thing side surface radius-of-curvature of described first lens is R1 and is R2 as the side surface radius-of-curvature, satisfies the following relationship formula:

1.03＜(R1+R2)/(R1-R2)＜3.00。

4. wide viewing angle capture mirror group as claimed in claim 3 is characterized in that described second lens have aspheric surface, and the described second lens material is a plastic cement.

5. wide viewing angle capture mirror group as claimed in claim 3 is characterized in that the focal length of described first lens is f1, and the focal length of described second lens is f2, satisfies the following relationship formula:

0＜f1/f2＜1.20。

6. wide viewing angle capture mirror group as claimed in claim 3, it is characterized in that, described wide viewing angle capture mirror group is provided with an aperture in addition between described second lens and described the 4th lens, described aperture to the distance of described sense electronics optical element on optical axis is SL, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, satisfies the following relationship formula:

0.30＜SL/TTL＜0.65。

7. wide viewing angle capture mirror group as claimed in claim 1 is characterized in that, comprises one piece of aspheric lens of tool at least in the described wide viewing angle capture mirror group.

8. wide viewing angle capture mirror group as claimed in claim 7 is characterized in that the abbe number of described first lens is V1, and the abbe number of described second lens is V2, satisfies the following relationship formula:

20＜V1-V2＜50。

9. wide viewing angle capture mirror group as claimed in claim 7 is characterized in that the focal length of whole wide viewing angle capture mirror group is f, and half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0.40＜f/ImgH＜1.10。

10. wide viewing angle capture mirror group as claimed in claim 3 is characterized in that, the lens of tool refracting power are five pieces in the described wide viewing angle capture mirror group.

11. wide viewing angle capture mirror group as claimed in claim 1 is characterized in that the thing side surface of described the 4th lens is a concave surface.

12. wide viewing angle capture mirror group as claimed in claim 1 is characterized in that, described the 4th lens engage one another with described the 5th lens becomes pairing lens.

13. wide viewing angle capture mirror group as claimed in claim 1, it is characterized in that, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, and half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

TTL/ImgH＜8.6。

14. wide viewing angle capture mirror group as claimed in claim 13, it is characterized in that, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, and half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

TTL/ImgH＜6.0。

15. a wide viewing angle capture mirror group is characterized in that, described wide viewing angle capture mirror group is extremely comprised as side in regular turn by the thing side:

First lens of the negative refracting power of one tool, it is a concave surface as side surface;

Second lens of the negative refracting power of one tool, it is a concave surface as side surface;

The 3rd lens of the positive refracting power of one tool;

The 4th lens of the negative refracting power of one tool; And

The 5th lens of the positive refracting power of one tool;

Wherein, be provided with an aperture in addition between described second lens and described the 4th lens in the described wide viewing angle capture mirror group;

Wherein, two pieces of tool refracting power lens of the most close thing side are described first lens and described second lens in the described wide viewing angle capture mirror group; And the lens of tool refracting power are no more than six pieces in the described wide viewing angle capture mirror group; The focal length of described first lens is f1, the focal length of described second lens is f2, one sense electronics optical element is set in addition for the object imaging in the wherein said wide viewing angle capture mirror group, described aperture to the distance of described sense electronics optical element on optical axis is SL, the thing side surface of described first lens to the distance of described sense electronics optical element on optical axis is TTL, half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜f1/f2＜2.00；

0.20＜SL/TTL＜0.85; And

TTL/ImgH＜8.6。

16. wide viewing angle capture mirror group as claimed in claim 15 is characterized in that, the thing side surface radius-of-curvature of described first lens is R1 and is R2 as the side surface radius-of-curvature, satisfies the following relationship formula:

1.03＜(R1+R2)/(R1-R2)＜3.00。

17. wide viewing angle capture mirror group as claimed in claim 16 is characterized in that, the lens of tool refracting power are five pieces in the described wide viewing angle capture mirror group.

18. wide viewing angle capture mirror group as claimed in claim 17 is characterized in that the focal length of whole wide viewing angle capture mirror group is f, half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0.40＜f/ImgH＜1.10。

19. wide viewing angle capture mirror group as claimed in claim 17 is characterized in that the focal length of described first lens is f1, the focal length of described second lens is f2, satisfies the following relationship formula:

0＜f1/f2＜1.20。

20. wide viewing angle capture mirror group as claimed in claim 17 is characterized in that, described the 4th lens be that R8 and thing side surface radius-of-curvature are R7 as the side surface radius-of-curvature, satisfy the following relationship formula:

-1.40＜R8/R7＜0.70。

21. wide viewing angle capture mirror group as claimed in claim 16 is characterized in that, the thing side surface of described the 4th lens and be all concave surface as side surface.

22. a wide viewing angle capture mirror group is characterized in that, described wide viewing angle capture mirror group is extremely comprised as side in regular turn by the thing side:

First lens of the negative refracting power of one tool, it is a concave surface as side surface;

Second lens of the negative refracting power of one tool, its thing side surface are convex surface and are concave surface as side surface;

The 3rd lens of the positive refracting power of one tool;

The 4th lens of the negative refracting power of one tool, it is a concave surface as side surface; And

The 5th lens of the positive refracting power of one tool;

Wherein, the lens of tool refracting power are five pieces in the described wide viewing angle capture mirror group; The thickness of described the 4th lens on optical axis is CT4, described the 4th lens be R8 as the side surface radius-of-curvature, the focal length of whole wide viewing angle capture mirror group is f, one sense electronics optical element is set in addition for the object imaging in the wherein said wide viewing angle capture mirror group, half of described sense electronics optical element effective pixel area diagonal angle line length is ImgH, satisfies the following relationship formula:

0＜CT4/R8＜0.70; And

0.30＜f/ImgH＜1.25。

23. wide viewing angle capture mirror group as claimed in claim 22 is characterized in that, the thing side surface radius-of-curvature of described first lens is R1 and is R2 as the side surface radius-of-curvature, satisfies the following relationship formula:

1.03＜(R1+R2)/(R1-R2)＜3.00。

24. wide viewing angle capture mirror group as claimed in claim 22 is characterized in that the focal length of described first lens is f1, the focal length of described second lens is f2, satisfies the following relationship formula:

0＜f1/f2＜1.20。

25. wide viewing angle capture mirror group as claimed in claim 22 is characterized in that, described the 4th lens thing side surface is a concave surface.

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