CN201903684U - Optical taking lens group - Google Patents

Optical taking lens group Download PDF

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Publication number
CN201903684U
CN201903684U CN2010206654641U CN201020665464U CN201903684U CN 201903684 U CN201903684 U CN 201903684U CN 2010206654641 U CN2010206654641 U CN 2010206654641U CN 201020665464 U CN201020665464 U CN 201020665464U CN 201903684 U CN201903684 U CN 201903684U
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China
Prior art keywords
lens
optical image
lens combination
taking lens
thing side
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CN2010206654641U
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Chinese (zh)
Inventor
黄歆璇
蔡宗翰
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Largan Precision Co Ltd
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Largan Precision Co Ltd
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Abstract

The utility model provides an optical taking lens group, which comprises a first lens, a second lens, a third lens, a fourth lens and a fifth lens in sequence from the objective side to the image side, wherein the first lens has a positive refraction force and the surface of the objective side of the first lens is a convex surface; the second lens has a negative refraction force; the surface of the image side of the fifth lens is a concave surface; and the fifth lens is provided with at least one point of inflexion. Through the lens configuration mode, the optical taking lens group is capable of having a big visual angle, the system sensitivity is reduced and a higher resolving power can be obtained.

Description

The optical image-taking lens combination
Technical field
The utility model relates to a kind of optical image-taking lens combination, and particularly relevant for a kind of miniaturization optical image-taking lens combination that is applied on the electronic product.
Background technology
In recent years, along with the rise of the portable electronic product with camera function, the demand of miniaturization phtographic lens day by day improves.The photosensory assembly of general phtographic lens is nothing more than being photosensitive coupling component (Charge Coupled Device, CCD) or complementary matal-oxide semiconductor assembly (ComplementaryMetal-Oxide Semiconductor Sensor, CMOS Sensor) two kind, and along with progressing greatly of semiconductor process techniques, make the Pixel Dimensions of photosensory assembly dwindle, the miniaturization phtographic lens develops toward high pixel field gradually, therefore, and to the also increase day by day of requirement of image quality.
Tradition is equipped on the miniaturization phtographic lens on the portable electronic product, as United States Patent (USP) the 7th, 355, shown in No. 801, many employing four-piece type lens arrangements are main, but because intelligent mobile phone (Smart Phone) and PDA high standard mobile devices such as (Personal Digital Assistant) is in vogue, drive miniaturization phtographic lens riseing rapidly on pixel and image quality, known four-piece type lens combination can't satisfy the more phtographic lens module of high-order, add electronic product constantly toward high-performance and lightening trend development, therefore be badly in need of a kind of be applicable to frivolous, on the portable electronic product, image quality is good and be unlikely to the optical image-taking lens combination that makes the camera lens total length long.
The utility model content
The purpose of this utility model is to provide a kind of optical image-taking lens combination, is applicable to that image quality is good and be unlikely to make the camera lens total length long on frivolous, the portable electronic product.
Provide a kind of optical image-taking lens combination according to the utility model, extremely comprise one first lens, one second lens, one the 3rd lens, one the 4th lens and one the 5th lens in regular turn as side by the thing side.First lens have positive refracting power, and its thing side surface is a convex surface.Second lens have negative refracting power.Its thing side surface of the 5th lens with as having at least a surface to be provided with at least one point of inflexion in the side surface, and be plastic material, and the 5th lens is concave surface as side surface.Wherein, the focal length of optical image-taking lens combination is f, the focal length of first lens is f1, and the optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, aperture to the distance of imaging surface is SL, the thing side surface of first lens to the distance of imaging surface on optical axis is TTL, and when the relative optical axis angle θ 1 of an angle of incidence of light be 36.5 degree and the center by aperture, the distance as its vertical optical axis of intersection point of side surface of this light and the 5th lens is Yc1, and this sense electronics optical assembly is arranged at this imaging surface, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.7<f/f1<2.0;
0.7<SL/TTL<1.2; And
0.3<Yc1/ImgH<0.9。
According to the utility model one embodiment, wherein the 4th lens are plastic material, and its thing side surface is concave surface, be convex surface as side surface, and its thing side surface and be all aspheric surface as side surface.
According to the utility model one embodiment, wherein the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and the focal length of the 4th lens is f4, and satisfies the following relationship formula:
0.0<f/f4-f/f1<1.5。
According to the utility model one embodiment, wherein the thing side surface radius-of-curvature of the 5th lens is R9, is R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-5<R10/R9<5。
According to the utility model one embodiment, wherein the thing side surface radius-of-curvature of the 5th lens is R9, is R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1.2<R10/R9<0。
According to the utility model one embodiment, wherein the focal length of this optical image-taking lens combination is f, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
-3.2<f/f5<-1.6。
According to the utility model one embodiment, wherein the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and it satisfies the following relationship formula:
1.0<f/f1<1.8。
According to the utility model one embodiment, wherein the thing side surface radius-of-curvature of these first lens is R1, is R2 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
|R1/R2|<0.3。
According to the utility model one embodiment, wherein the abbe number of these second lens is V2, and the abbe number of the 3rd lens is V3, and it satisfies the following relationship formula:
|V2-V3|<10。
According to the utility model one embodiment, wherein the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
1.3<f/f4<2.5。
According to the utility model one embodiment, wherein when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by this aperture center, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc2, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.5<Yc2/ImgH<0.9。
According to the utility model one embodiment, wherein the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and it satisfies the following relationship formula:
28<V1-V2<45。
According to the utility model one embodiment, wherein the thing side surface radius-of-curvature of the 5th lens is R9, is R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
0.0<(R9+R10)/(R9-R10)<1.0。
According to the utility model one embodiment, wherein the thing side surface radius-of-curvature of these second lens is R3, is R4 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1<R4/R3<0。
According to the utility model one embodiment, wherein the thing side surface of these first lens to the distance of this imaging surface on optical axis is TTL, and half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH,, it satisfies the following relationship formula:
TTL/ImgH<1.75。
On the other hand, provide an optical image-taking lens combination, extremely comprise one first lens, one second lens, one the 3rd lens, one the 4th lens and one the 5th lens in regular turn as side by the thing side according to the utility model.First lens have positive refracting power, and its thing side surface is a convex surface.Second lens have negative refracting power.The 4th lens have positive refracting power, and have at least one aspheric surface.The 5th lens have negative refracting power, and it is a concave surface as side surface, and have at least one aspheric surface.Wherein, the thing side surface radius-of-curvature of the 5th lens is R9, as the side surface radius-of-curvature is R10, and this optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, aperture to the distance of imaging surface is SL, the thing side surface of first lens to the distance of imaging surface on optical axis is TTL, and when the relative optical axis angle θ 1 of an angle of incidence of light be 36.5 degree and the center by aperture, the distance as its vertical optical axis of intersection point of side surface of this light and the 5th lens is Yc1, and this sense electronics optical assembly is arranged at this imaging surface, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
-5<R10/R9<5;
0.7<SL/TTL<1.2; And
0.3<Yc1/ImgH<0.9。
According to another embodiment of the utility model, wherein the thing side surface of the 4th lens is concave surface, is convex surface as side surface, and the thing side surface of the 5th lens is a concave surface, and its thing side surface with as having at least a surface to be provided with at least one point of inflexion in the side surface.
According to another embodiment of the utility model, wherein the thing side surface radius-of-curvature of these first lens is R1, is R2 as the side surface radius-of-curvature, and the focal length of this optical image-taking lens combination is f, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
| R1/R2|<0.3; And
-3.2<f/f5<-1.6。
According to another embodiment of the utility model, wherein the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
0.0<f/f4-f/f1<1.5。
According to another embodiment of the utility model, wherein the thing side surface radius-of-curvature of these second lens is R3, is R4 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1<R4/R3<0。
According to another embodiment of the utility model, wherein the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
1.3<f/f4<2.5。
Moreover, provide another optical image-taking lens combination according to the utility model, extremely comprise one first lens, one second lens, one the 3rd lens, one the 4th lens and one the 5th lens in regular turn by the thing side as side.First lens have positive refracting power, and its thing side surface is a convex surface.The 4th lens have positive refracting power, and its thing side surface is concave surface, be convex surface as side surface, and have at least one aspheric surface.The 5th lens have negative refracting power, its thing side surface with as having at least a surface to be provided with at least one point of inflexion in the side surface, and be concave surface as side surface.Wherein, FOV is the maximum visual angle of optical image-taking lens combination, and the thing side surface radius-of-curvature of the 5th lens is R9, be R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
FOV>72; And
0<(R9+R10)/(R9-R10)<1.7。
According to the utility model embodiment again, wherein the material of the 5th lens is plastics, and its thing side surface radius-of-curvature is R9, be R10 as the side surface radius-of-curvature, and satisfies the following relationship formula:
-1<R10/R9<0。
According to the utility model embodiment again, wherein the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
-2.8<f/f5<-1.6; And
1.3<f/f4<2.5。
According to the utility model embodiment again, wherein this optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, when the relative optical axis angle θ 2 of angle of incidence of light is 37.2 degree and the center of passing through this aperture, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc2, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.5<Yc2/ImgH<0.9。
According to the utility model embodiment again, wherein the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and it satisfies the following relationship formula:
28<V1-V2<42。
Wherein, first lens have positive refracting power, can provide the optical image-taking lens combination required part refracting power, help to shorten the total length of optical image-taking lens combination.Second lens have negative refracting power, but the aberration that its revisal first lens are produced, and revise the aberration that the optical image-taking lens combination is produced.The 4th lens have positive refracting power, and the positive refracting power that it can distribute first lens reduces the susceptibility of whole optical image-taking lens combination.The 5th lens have negative refracting power, and the principal point that can make the optical image-taking lens combination is away from imaging surface, and the total length of favourable shortening optical image-taking lens combination is kept the camera lens miniaturization.
When f/f1 satisfies the above-mentioned relation formula, the optics total length of the whole optical image-taking lens combination of the refracting power may command of first lens, and can avoid the high-order spherical aberration.When SL/TTL satisfied the above-mentioned relation formula, the optical image-taking lens combination can obtain good balance in heart characteristic far away and Wide-angle.
When Yc1/ImgH satisfies the above-mentioned relation formula, guarantee that the optical image-taking lens combination has enough field angle, and help suppressing from the axle field rays and be incident in angle on the photosensory assembly, and the further aberration of modified off-axis visual field.
When R10/R9 satisfies the above-mentioned relation formula, can revise the astigmatism (Astigmatism) and distortion of optical image-taking lens combination, can effectively reduce simultaneously light and be incident in angle on the sense electronics optical assembly, improve the sensitization susceptibility of sense electronics optical assembly, the minimizing system produces the possibility at dark angle.
When FOV satisfies the above-mentioned relation formula, the optical image-taking lens combination can provide with great visual angle, so that take the more image of broad range.And when (R9+R10)/when (R9-R10) satisfying above-listed relational expression, the principal point that can make the optical image-taking lens combination can shorten the optics total length of optical image-taking lens combination away from imaging surface, to keep the miniaturization of camera lens.
Therefore, the optical image-taking lens combination that the utility model provides, it can have with great visual angle, reduce system sensitivity, more can obtain higher resolving power.
Description of drawings
For above-mentioned and other purpose of the present utility model, feature, advantage and embodiment can be become apparent, appended the description of the drawings is as follows:
Fig. 1 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 1;
Fig. 2 is spherical aberration, the astigmatism of Fig. 1 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Fig. 3 is the light incident synoptic diagram that illustrates according to the optical image-taking lens combination of Fig. 1 embodiment;
Fig. 4 is another angle light incident synoptic diagram that illustrates according to the optical image-taking lens combination of Fig. 1 embodiment;
Fig. 5 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 2;
Fig. 6 is spherical aberration, the astigmatism of Fig. 5 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Fig. 7 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 3;
Fig. 8 is spherical aberration, the astigmatism of Fig. 7 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Fig. 9 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 4;
Figure 10 is spherical aberration, the astigmatism of Fig. 9 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Figure 11 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 5;
Figure 12 is spherical aberration, the astigmatism of Figure 11 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Figure 13 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 6;
Figure 14 is spherical aberration, the astigmatism of Figure 13 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Figure 15 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 7;
Figure 16 is spherical aberration, the astigmatism of Figure 15 optical image-taking lens combination from left to right in regular turn and distorts curve map;
Figure 17 is the synoptic diagram that illustrates according to a kind of optical image-taking lens combination of the utility model embodiment 8;
Figure 18 is spherical aberration, the astigmatism of Figure 17 optical image-taking lens combination from left to right in regular turn and distorts curve map.
[primary clustering symbol description]
Aperture: 100,200,300,400,500,600,700,800
First lens: 110,210,310,410,510,610,710,810
Thing side surface: 111,211,311,411,511,611,711,811
Picture side surface: 112,212,312,412,512,612,712,812
Second lens: 120,220,320,420,520,620,720,820
Thing side surface: 121,221,321,421,521,621,721,821
Picture side surface: 122,222,322,422,522,622,722,822
The 3rd lens: 130,230,330,430,530,630,730,830
Thing side surface: 131,231,331,431,531,631,731,831
Picture side surface: 132,232,332,432,532,632,732,832
The 4th lens: 140,240,340,440,540,640,740,840
Thing side surface: 141,241,341,441,541,641,741,841
Picture side surface: 142,242,342,442,542,642,742,842
The 5th lens: 150,250,350,450,550,650,750,850
Thing side surface: 151,251,351,451,551,651,751,851
Picture side surface 152,252,352,452,552,652,752,852
Imaging surface: 160,260,360,460,560,660,760,860
Infrared filter: 170,270,370,470,570,670,770,870
F: the focal length of whole optical image-taking lens combination
F1: the focal length of first lens
F4: the focal length of the 4th lens
F5: the focal length of the 5th lens
R1: the thing side surface radius-of-curvature of first lens
R2: the picture side surface radius-of-curvature of first lens
R3: the thing side surface radius-of-curvature of second lens
R4: the picture side surface radius-of-curvature of second lens
R9: the thing side surface radius-of-curvature of the 5th lens
R10: the picture side surface radius-of-curvature of the 5th lens
V1: the abbe number of first lens
V2: the abbe number of second lens
V3: the abbe number of the 3rd lens
SL: aperture is to the distance of imaging surface on optical axis
TTL: the thing side surface of first lens is to the distance of imaging surface on optical axis
ImgH: half of sense electronics optical assembly effective pixel area diagonal angle line length
FOV: the maximum visual angle of optical image-taking lens combination
Yc1: the relative optical axis angle of angle of incidence of light is 36.5 degree and passes through the aperture center, the distance of its vertical optical axis of intersection point of the picture side surface of light and the 5th lens
Yc2: the relative optical axis angle of angle of incidence of light is 37.2 degree and passes through the aperture center, the distance of its vertical optical axis of intersection point of the picture side surface of light and the 5th lens
Embodiment
The utility model provides a kind of optical image-taking lens combination, and to comprising first lens, second lens, the 3rd lens, the 4th lens and the 5th lens in regular turn as side, other is provided with a sense electronics optical assembly in imaging surface by the thing side.
First lens have positive refracting power, and it can provide the optical image-taking lens combination required part refracting power, help to shorten the total length of optical image-taking lens combination.The thing side surface of first lens is a convex surface, then can be convex surface or concave surface as side surface.Be all convex surface (being biconvex lens) when the thing side surface of first lens and as side surface, can strengthen the configuration of the first lens refracting power, the total length of optical image-taking lens combination is shortened.And be convex surface, be concave surface (being crescent lens) as side surface when the thing side surface of first lens, can revise the astigmatism of optical image-taking lens combination.
Second lens have negative refracting power, and the aberration that can be effectively first lens of the positive refracting power of tool be produced is done revisal, and helps the aberration of update the system simultaneously.
When the 4th lens have positive refracting power, can effectively distribute the positive refracting power of first lens, to reduce the susceptibility of whole optical image-taking lens combination.The 4th lens can have aspheric surface, and its thing side surface can be concave surface, can be convex surface as side surface.Whereby, can revise the astigmatism of optical image-taking lens combination.
The 5th lens are arranged between the 4th lens and imaging surface, and the 5th lens can be plastic material, and are concave surface as side surface, and it has aspheric surface.When it had negative refracting power, the principal point that can make the optical image-taking lens combination to shorten the optics total length of optical image-taking lens combination, was kept the miniaturization of camera lens away from imaging surface.In addition, when the 5th lens have the point of inflexion, can suppress light effectively and be incident in angle on the photosensory assembly from the axle visual field, and the further aberration of modified off-axis visual field.
The focal length of optical image-taking lens combination is f, and the focal length of first lens is f1, and it satisfies the following relationship formula:
0.7<f/f1<2.0,
Whereby, the refracting power size configure of first lens is balance comparatively, the optics total length of may command optical image-taking lens combination, and avoid the high-order spherical aberration simultaneously.
In addition, the optical image-taking lens combination can further satisfy the following relationship formula:
1.0<f/f1<1.8。
Wherein, the optical image-taking lens combination is provided with an aperture in addition, and this aperture is SL to the distance of imaging surface on optical axis, and the thing side surface of first lens is TTL to the distance of imaging surface on optical axis, and it satisfies the following relationship formula:
0.7<SL/TTL<1.2,
When this SL/TTL less than 0.7 the time, the light angle that is incident on the sense electronics optical assembly is excessive, easily cause photosensitive effect bad with the excessive shortcoming of aberration.Again when SL/TTL greater than 1.2 the time, can make the overall optical system total length long.Therefore, this optical imagery lens group can obtain the advantage of heart characteristic far away and be unlikely to make whole total length long satisfied 0.7<SL/TTL<1.2 o'clock.
When the relative optical axis angle θ 1 of an angle of incidence of light is 36.5 degree and the center by aperture, the distance as its vertical optical axis of intersection point of side surface of this light and the 5th lens is Yc1, half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.3<Yc1/ImgH<0.9,
Whereby, can guarantee that the optical image-taking lens combination has enough field angle, and help suppressing from the axle field rays and be incident in angle on the photosensory assembly, and the further aberration of modified off-axis visual field.
The focal distance f 1 of the focal distance f of optical image-taking lens combination, first lens, and the focal distance f 4 of the 4th lens, it satisfies the following relationship formula:
0.0<f/f4-f/f1<1.5,
Whereby, can make the refracting power of the 4th lens and first lens dispose comparatively balance, to reduce the susceptibility of optical image-taking lens combination.
When the thing side surface radius-of-curvature of the 5th lens is R9, is R10 as the side surface radius-of-curvature that it satisfies the following relationship formula:
-5<R10/R9<5,
Whereby, can revise the astigmatism and the distortion of optical image-taking lens combination, can reduce simultaneously light and be incident in angle on the sense electronics optical assembly, improve the sensitization susceptibility of sense electronics optical assembly, reduce the optical image-taking lens combination and produce the possibility at dark angle.
In addition, the optical image-taking lens combination can further satisfy the following relationship formula:
-1.2<R10/R9<0。
Moreover the optical image-taking lens combination more can further satisfy the following relationship formula:
-1<R10/R9<0。
The focal length of optical image-taking lens combination is f, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
-3.2<f/f5<-1.6,
Whereby, but every aberration that the 5th lens balance and correction optical image-taking lens combination are produced, and then make the optical image-taking lens combination obtain higher image quality.
In addition, the optical image-taking lens combination can further satisfy the following relationship formula:
-2.8<f/f5<-1.6。
When the thing side surface radius-of-curvature of first lens is R1, is R2 as the side surface radius-of-curvature that it satisfies the following relationship formula:
|R1/R2|<0.3,
Whereby, but the revisal sphere is received poor (Spherical Aberration), more can shorten the total length of first lens to camera lens, and then make the miniaturization of camera lens.
The abbe number of second lens is V2, and the abbe number of the 3rd lens is V3, and it satisfies the following relationship formula:
|V2-V3|<10,
Whereby, can promote the ability of optical image-taking lens combination correction aberration.
The focal length of optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
1.3<f/f4<2.5,
Control the refracting power size configure of the 4th lens whereby, can revise the aberration of optical orientation lens combination and reduce its susceptibility.
When the relative optical axis angle θ 2 of an angle of incidence of light is 37.2 degree and passes through the aperture center, the distance as its vertical optical axis of intersection point of side surface of this light and the 5th lens is Yc2, half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.5<Yc2/ImgH<0.9。
When the abbe number of first lens is V1, the abbe number of second lens is V2, and it satisfies the following relationship formula:
28<V1-V2<45,
Whereby, can revise aberration in the optical image-taking lens combination.
In addition, the optical image-taking lens combination can further satisfy the following relationship formula:
28<V1-V2<42
When the thing side surface radius of curvature R 9 of the 5th lens, as side surface radius of curvature R 10, it satisfies the following relationship formula:
0<(R9+R10)/(R9-R10)<1.7,
Whereby, the principal point that can make the optical image-taking lens combination to shorten the optics total length of optical image-taking lens combination, is kept the miniaturization of camera lens away from imaging surface.
In addition, the optical image-taking lens combination can further satisfy the following relationship formula:
0<(R9+R10)/(R9-R10)<1.0。
When the thing side surface radius-of-curvature of second lens is R3, is R4 as the side surface radius-of-curvature that it satisfies the following relationship formula:
-1<R4/R3<0,
Whereby, can do revisal to the aberration that first lens are produced, and the refracting power of balance second lens, avoid producing too much higher order aberratons.
The thing side surface of first lens is TTL to the distance of imaging surface on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
TTL/ImgH<1.75,
Whereby, can keep the miniaturization of optical image-taking lens combination, to be equipped on the frivolous portable electronic product.
The maximum visual angle of optical image-taking lens combination is FOV, and it satisfies following scope:
FOV>72,
Whereby, provide with great visual angle, can take the more image of broad range.
According to above-mentioned embodiment, below propose specific embodiment and cooperate graphic detailed description the in detail.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 1, and Fig. 2 is spherical aberration, the astigmatism of Fig. 1 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 1, the optical image-taking lens combination of embodiment 1 extremely comprises first lens 110, aperture 100, second lens 120, the 3rd lens 130, the 4th lens 140, the 5th lens 150, infrared filter (IR Filter) 170 and imaging surface 160 as side by the thing side.
Further specify, the material of first lens 110 is plastics, and it has positive refracting power, and the thing side surface 111 of first lens 110 and be all convex surface as side surface 112, and is all aspheric surface.
The material of second lens 120 is plastics, and it has negative refracting power, and the thing side surface 121 of second lens 120 and be all concave surface as side surface 122, and is all aspheric surface.
The material of the 3rd lens 130 is plastics, and it has negative refracting power, and the thing side surface 131 of the 3rd lens 130 is concave surface, is convex surface as side surface 132, and is all aspheric surface.
The material of the 4th lens 140 is plastics, and it has positive refracting power, and the thing side surface 141 of the 4th lens 140 is concave surface, is convex surface as side surface 142, and is all aspheric surface.
The material of the 5th lens 150 is plastics, and it has negative refracting power, and the thing side surface 151 of the 5th lens 150 and be all concave surface as side surface 152, and is all aspheric surface.In addition, the thing side surface 151 of the 5th lens 150 with as having at least a surface to be provided with at least one point of inflexion in the side surface 152.
The material of infrared filter 170 is a glass, and it is arranged between the 5th lens 150 and the imaging surface 160, does not influence the focal length of optical image-taking lens combination.
The aspheric curvilinear equation formula of above-mentioned each lens is expressed as follows:
X ( Y ) = ( Y 2 / R ) / ( 1 + sqrt ( 1 - ( 1 + k ) × ( Y / R ) 2 ) ) + Σ i ( Ai ) × ( Y i )
Wherein:
X: be the point of Y apart from optical axis on the aspheric surface, itself and the relative height that is tangential on the tangent plane on summit on the aspheric surface optical axis;
Y: the point on the aspheric curve and the distance of optical axis;
K: conical surface coefficient; And
Ai: i rank asphericity coefficient.
In the optical image-taking lens combination of embodiment 1, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.83mm;
Fno=2.70;
The HFOV=37.6 degree.
Among the embodiment 1, the abbe number of first lens 110 is V1, and the abbe number of second lens 120 is V2, and the abbe number of the 3rd lens 130 is V3, and its relation is as follows:
V1-V2=32.5;
|V2-V3|=0.0。
Among the embodiment 1, thing side surface 111 radius-of-curvature of first lens 110 are R1, be R2 as side surface 112 radius-of-curvature, thing side surface 121 radius-of-curvature of second lens 120 are R3, be R4 as side surface 122 radius-of-curvature, thing side surface 151 radius-of-curvature of the 5th lens 150 are R9, be R10 as side surface 152 radius-of-curvature, its relation is as follows:
|R1/R2|=0.10;
R4/R3=-0.65;
R10/R9=-0.36;
(R9+R10)/(R9-R10)=0.47。
Among the embodiment 1, the focal length of first lens 110 is f1, and the focal length of the 4th lens 140 is f4, and the focal length of the 5th lens 150 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.44;
f/f4=2.15;
f/f5=-2.27;
f/f4-f/f1=0.71。
Cooperation is with reference to Fig. 3 and Fig. 4, and it illustrates the light incident synoptic diagram according to the optical image-taking lens combination of Fig. 1 embodiment respectively.As shown in Figure 3, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and by aperture 100 centers, the distance as its vertical optical axis of intersection point of side surface 152 of light and the 5th lens 150 is Yc1.Again by shown in Figure 4, when the relative optical axis angle θ 2 of angle of incidence of light is 37.2 degree and by aperture 100 centers, the distance as its vertical optical axis of intersection point of side surface 152 of light and the 5th lens 150 is Yc2.In addition, in embodiment 1, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 160, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.70;
Yc2/ImgH=0.73。
Among the embodiment 1, aperture 100 to the distance of imaging surface 160 on optical axis is SL, and the thing side surface 111 of first lens 110 is TTL to the distance of imaging surface 160 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.86;
TTL/ImgH=1.54。
Cooperate with reference to table one and table two, wherein table one is the detailed structured data of Fig. 1 embodiment 1 again, and table two is the aspherical surface data among the embodiment 1.
Figure BSA00000391547400141
Table one
Asphericity coefficient
Table two
In the table one, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents that in regular turn and in the table two, k represents the conical surface coefficient in the aspheric curve equation by the surface of thing side to the picture side, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Fig. 5 and Fig. 6, wherein Fig. 5 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 2, and Fig. 6 is spherical aberration, the astigmatism of Fig. 5 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 5, the optical image-taking lens combination of embodiment 2 extremely comprises first lens 210, aperture 200, second lens 220, the 3rd lens 230, the 4th lens 240, the 5th lens 250, infrared filter (IR Filter) 270 and imaging surface 260 as side by the thing side.
Further specify, the material of first lens 210 is plastics, and it has positive refracting power, and the thing side surface 211 of first lens 210 and be all convex surface as side surface 212, and is all aspheric surface.
The material of second lens 220 is plastics, and it has negative refracting power, and the thing side surface 221 of second lens 220 and be all concave surface as side surface 222, and is all aspheric surface.
The material of the 3rd lens 230 is plastics, and it has negative refracting power, and the thing side surface 231 of the 3rd lens 230 and be all concave surface as side surface 232, and is all aspheric surface.
The material of the 4th lens 240 is plastics, and it has positive refracting power, and the thing side surface 241 of the 4th lens 240 is concave surface, is convex surface as side surface 242, and is all aspheric surface.
The material of the 5th lens 250 is plastics, and it has negative refracting power, and the thing side surface 251 of the 5th lens 250 and be all concave surface as side surface 252, and is all aspheric surface.In addition, the thing side surface 251 of the 5th lens 250 with as having at least a surface to be provided with at least one point of inflexion in the side surface 252.
The material of infrared filter 270 is a glass, and it is arranged between the 5th lens 250 and the imaging surface 260, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 2.
In the optical image-taking lens combination of embodiment 2, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.83mm;
Fno=2.70;
The HFOV=37.4 degree.
Among the embodiment 2, the abbe number of first lens 210 is V1, and the abbe number of second lens 220 is V2, and the abbe number of the 3rd lens 230 is V3, and its relation is as follows:
V1-V2=34.4;
|V2-V3|=2.0。
Among the embodiment 2, thing side surface 211 radius-of-curvature of first lens 210 are R1, be R2 as side surface 212 radius-of-curvature, thing side surface 221 radius-of-curvature of second lens 220 are R3, be R4 as side surface 222 radius-of-curvature, thing side surface 251 radius-of-curvature of the 5th lens 250 are R9, be R10 as side surface 252 radius-of-curvature, its relation is as follows:
|R1/R2|=0.02;
R4/R3=-0.14;
R10/R9=-0.27;
(R9+R10)/(R9-R10)=0.57。
Among the embodiment 2, the focal length of first lens 210 is f1, and the focal length of the 4th lens 240 is f4, and the focal length of the 5th lens 250 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.30;
f/f4=2.14;
f/f5=-2.23;
f/f4-f/f1=0.84。
Among the embodiment 2, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 200 centers, the distance as its vertical optical axis of intersection point of side surface 252 of light and the 5th lens 250 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 200 centers, the distance as its vertical optical axis of intersection point of side surface 252 of light and the 5th lens 250 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 2, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 260, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.68;
Yc2/ImgH=0.71。
Among the embodiment 2, aperture 200 to the distance of imaging surface 260 on optical axis is SL, and the thing side surface 211 of first lens 210 is TTL to the distance of imaging surface 260 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.87;
TTL/ImgH=1.55。
Cooperate with reference to table three and table four, wherein table three is the detailed structured data of Fig. 5 embodiment 2 again, and table four is the aspherical surface data among the embodiment 2.
Figure BSA00000391547400181
Table three
Asphericity coefficient
Figure BSA00000391547400182
Table four
In the table three, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents that in regular turn and in the table four, k represents the conical surface coefficient in the aspheric curve equation by the surface of thing side to the picture side, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Fig. 7 and Fig. 8, wherein Fig. 7 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 3, and Fig. 8 is spherical aberration, the astigmatism of Fig. 7 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 7, the optical image-taking lens combination of embodiment 3 extremely comprises first lens 310, aperture 300, second lens 320, the 3rd lens 330, the 4th lens 340, the 5th lens 350, infrared filter (IR Filter) 370 and imaging surface 360 as side by the thing side.
Further specify, the material of first lens 310 is plastics, and it has positive refracting power, and the thing side surface 311 of first lens 310 is convex surface, is concave surface as side surface 312, and is all aspheric surface.
The material of second lens 320 is plastics, and it has negative refracting power, and the thing side surface 321 of second lens 320 is convex surface, is concave surface as side surface 322, and is all aspheric surface.
The material of the 3rd lens 330 is plastics, and it has negative refracting power, and the thing side surface 331 of the 3rd lens 330 is concave surface, is convex surface as side surface 332, and is all aspheric surface.
The material of the 4th lens 340 is plastics, and it has positive refracting power, and the thing side surface 341 of the 4th lens 340 is concave surface, is convex surface as side surface 342, and is all aspheric surface.
The material of the 5th lens 350 is plastics, and it has negative refracting power, and the thing side surface 351 of the 5th lens 350 and be all concave surface as side surface 352, and is all aspheric surface.In addition, the thing side surface 351 of the 5th lens 350 with as having at least a surface to be provided with at least one point of inflexion in the side surface 352.
The material of infrared filter 370 is a glass, and it is arranged between the 5th lens 350 and the imaging surface 360, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 3.
In the optical image-taking lens combination of embodiment 3, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=4.00mm;
Fno=2.85;
The HFOV=37.0 degree.
Among the embodiment 3, the abbe number of first lens 310 is V1, and the abbe number of second lens 320 is V2, and the abbe number of the 3rd lens 330 is V3, and its relation is as follows:
V1-V2=32.1;
|V2-V3|=0.0。
Among the embodiment 3, thing side surface 311 radius-of-curvature of first lens 310 are R1, be R2 as side surface 312 radius-of-curvature, thing side surface 321 radius-of-curvature of second lens 320 are R3, be R4 as side surface 322 radius-of-curvature, thing side surface 351 radius-of-curvature of the 5th lens 350 are R9, be R10 as side surface 352 radius-of-curvature, its relation is as follows:
|R1/R2|=0.07;
R4/R3=0.05;
R10/R9=-0.72;
(R9+R10)/(R9-R10)=0.16。
Among the embodiment 3, the focal length of first lens 310 is f1, and the focal length of the 4th lens 340 is f4, and the focal length of the 5th lens 350 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.44;
f/f4=2.22;
f/f5=-2.22;
f/f4-f/f1=0.78。
Among the embodiment 3, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 300 centers, the distance as its vertical optical axis of intersection point of side surface 352 of light and the 5th lens 350 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 300 centers, the distance as its vertical optical axis of intersection point of side surface 352 of light and the 5th lens 350 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 3, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 360, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.68;
Yc2/ImgH=0.71。
Among the embodiment 3, aperture 300 to the distance of imaging surface 360 on optical axis is SL, and the thing side surface 311 of first lens 310 is TTL to the distance of imaging surface 360 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.88;
TTL/ImgH=1.57。
Cooperate with reference to table five and table six, wherein table five is the detailed structured data of Fig. 7 embodiment 3 again, and table six is the aspherical surface data among the embodiment 3.
Figure BSA00000391547400211
Table five
Asphericity coefficient
Table six
In the table five, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents that in regular turn and in the table six, k represents the conical surface coefficient in the aspheric curve equation by the surface of thing side to the picture side, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Fig. 9 and Figure 10, wherein Fig. 9 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 4, and Figure 10 is spherical aberration, the astigmatism of Fig. 9 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 9, the optical image-taking lens combination of embodiment 4 extremely comprises aperture 400, first lens 410, second lens 420, the 3rd lens 430, the 4th lens 440, the 5th lens 450, infrared filter (IR Filter) 470 and imaging surface 460 as side by the thing side.
Further specify, the material of first lens 410 is plastics, and it has positive refracting power, and the thing side surface 411 of first lens 410 and be all convex surface as side surface 412, and is all aspheric surface.
The material of second lens 420 is plastics, and it has negative refracting power, and the thing side surface 421 of second lens 420 and be all concave surface as side surface 422, and is all aspheric surface.
The material of the 3rd lens 430 is plastics, and it has negative refracting power, and the thing side surface 431 of the 3rd lens 430 is concave surface, is convex surface as side surface 432, and is all aspheric surface.
The material of the 4th lens 440 is plastics, and it has positive refracting power, and the thing side surface 441 of the 4th lens 440 is concave surface, is convex surface as side surface 442, and is all aspheric surface.
The material of the 5th lens 450 is plastics, and it has negative refracting power, and the thing side surface 451 of the 5th lens 450 and be all concave surface as side surface 452, and is all aspheric surface.In addition, the thing side surface 451 of the 5th lens 450 with as having at least a surface to be provided with at least one point of inflexion in the side surface 452.
The material of infrared filter 470 is a glass, and it is arranged between the 5th lens 450 and the imaging surface 460, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 4.
Among the embodiment 4, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.90mm;
Fno=2.85;
The HFOV=37.2 degree.
Among the embodiment 4, the abbe number of first lens 410 is V1, and the abbe number of second lens 420 is V2, and the abbe number of the 3rd lens 430 is V3, and its relation is as follows:
V1-V2=32.1;
|V2-V3|=0.0。
Among the embodiment 4, thing side surface 411 radius-of-curvature of first lens 410 are R1, be R2 as side surface 412 radius-of-curvature, thing side surface 421 radius-of-curvature of second lens 420 are R3, be R4 as side surface 422 radius-of-curvature, thing side surface 451 radius-of-curvature of the 5th lens 450 are R9, be R10 as side surface 452 radius-of-curvature, its relation is as follows:
|R1/R2|=0.02;
R4/R3=-0.08;
R10/R9=-0.74;
(R9+R10)/(R9-R10)=0.15。
Among the embodiment 4, the focal length of first lens 410 is f1, and the focal length of the 4th lens 440 is f4, and the focal length of the 5th lens 450 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.51;
f/f4=2.02;
f/f5=-2.17;
f/f4-f/f1=0.51。
Among the embodiment 4, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 400 centers, the distance as its vertical optical axis of intersection point of side surface 452 of light and the 5th lens 450 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 400 centers, the distance as its vertical optical axis of intersection point of side surface 452 of light and the 5th lens 450 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 4, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 460, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.70;
Yc2/ImgH=0.72。
Among the embodiment 4, aperture 400 to the distance of imaging surface 460 on optical axis is SL, and the thing side surface 411 of first lens 410 is TTL to the distance of imaging surface 460 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.97;
TTL/ImgH=1.52。
Cooperate with reference to table seven and table eight, wherein table seven is the detailed structured data of Fig. 9 embodiment 4 again, and table eight is the aspherical surface data among the embodiment 4.
Figure BSA00000391547400241
Table seven
Asphericity coefficient
Figure BSA00000391547400242
Table eight
In the table seven, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents that in regular turn and in the table eight, k represents the conical surface coefficient in the aspheric curve equation by the surface of thing side to the picture side, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Figure 11 and Figure 12, wherein Figure 11 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 5, and Figure 12 is spherical aberration, the astigmatism of Figure 11 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 11, the optical image-taking lens combination of embodiment 5 extremely comprises aperture 500, first lens 510, second lens 520, the 3rd lens 530, the 4th lens 540, the 5th lens 550, infrared filter (IR Filter) 570 and imaging surface 560 as side by the thing side.
Further specify, the material of first lens 510 is plastics, and it has positive refracting power, and the thing side surface 511 of first lens 510 and be all convex surface as side surface 512, and is all aspheric surface.
The material of second lens 520 is plastics, and it has negative refracting power, and the thing side surface 521 of second lens 520 and be all concave surface as side surface 522, and is all aspheric surface.
The material of the 3rd lens 530 is plastics, and it has positive refracting power, and the thing side surface 531 of the 3rd lens 530 is concave surface, is convex surface as side surface 532, and is all aspheric surface.
The material of the 4th lens 540 is plastics, and it has positive refracting power, and the thing side surface 541 of the 4th lens 540 is concave surface, is convex surface as side surface 542, and is all aspheric surface.
The material of the 5th lens 550 is plastics, and it has negative refracting power, and the thing side surface 551 of the 5th lens 550 and be all concave surface as side surface 552, and is all aspheric surface.In addition, the thing side surface 551 of the 5th lens 550 with as having at least a surface to be provided with at least one point of inflexion in the side surface 552.
The material of infrared filter 570 is a glass, and it is arranged between the 5th lens 550 and the imaging surface 560, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 5.
Among the embodiment 5, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.94mm;
Fno=2.90;
The HFOV=37.3 degree.
Among the embodiment 5, the abbe number of first lens 510 is V1, and the abbe number of second lens 520 is V2, and the abbe number of the 3rd lens 530 is V3, and its relation is as follows:
V1-V2=34.5;
|V2-V3|=2.4。
Among the embodiment 5, thing side surface 511 radius-of-curvature of first lens 510 are R1, be R2 as side surface 512 radius-of-curvature, thing side surface 521 radius-of-curvature of second lens 520 are R3, be R4 as side surface 522 radius-of-curvature, thing side surface 551 radius-of-curvature of the 5th lens 550 are R9, be R10 as side surface 552 radius-of-curvature, its relation is as follows:
|R1/R2|=0.04;
R4/R3=-0.03;
R10/R9=-0.63;
(R9+R10)/(R9-R10)=0.23。
Among the embodiment 5, the focal length of first lens 510 is f1, and the focal length of the 4th lens 540 is f4, and the focal length of the 5th lens 550 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.46;
f/f4=1.63;
f/f5=-2.01;
f/f4-f/f1=0.17。
Among the embodiment 5, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 500 centers, the distance as its vertical optical axis of intersection point of side surface 552 of light and the 5th lens 550 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 500 centers, the distance as its vertical optical axis of intersection point of side surface 552 of light and the 5th lens 550 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 5, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 560, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.71;
Yc2/ImgH=0.73。
Among the embodiment 5, aperture 500 to the distance of imaging surface 560 on optical axis is SL, and the thing side surface 511 of first lens 510 is TTL to the distance of imaging surface 560 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.97;
TTL/ImgH=1.52。
Cooperate with reference to table nine and table ten, wherein table nine is the detailed structured data of Figure 11 embodiment 5 again, and table ten is the aspherical surface data among the embodiment 5.
Figure BSA00000391547400271
Table nine
Asphericity coefficient
Figure BSA00000391547400272
Table ten
In the table nine, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents that in regular turn and in the table ten, k represents the conical surface coefficient in the aspheric curve equation by the surface of thing side to the picture side, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Figure 13 and Figure 14, wherein Figure 13 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 6, and Figure 14 is spherical aberration, the astigmatism of Figure 13 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 13, the optical image-taking lens combination of embodiment 6 extremely comprises aperture 600, first lens 610, second lens 620, the 3rd lens 630, the 4th lens 640, the 5th lens 650, infrared filter (IR Filter) 670 and imaging surface 660 as side by the thing side.
Further specify, the material of first lens 610 is plastics, and it has positive refracting power, and the thing side surface 611 of first lens 610 and be all convex surface as side surface 612, and is all aspheric surface.
The material of second lens 620 is plastics, and it has negative refracting power, and the thing side surface 621 of second lens 620 and be all concave surface as side surface 622, and is all aspheric surface.
The material of the 3rd lens 630 is plastics, and it has positive refracting power, and the thing side surface 631 of the 3rd lens 630 is convex surface, is concave surface as side surface 632, and is all aspheric surface.
The material of the 4th lens 640 is plastics, and it has positive refracting power, and the thing side surface 641 of the 4th lens 640 is concave surface, is convex surface as side surface 642, and is all aspheric surface.
The material of the 5th lens 650 is plastics, and it has negative refracting power, and the thing side surface 651 of the 5th lens 650 and be all concave surface as side surface 652, and is all aspheric surface.In addition, the thing side surface 651 of the 5th lens 650 with as having at least a surface to be provided with at least one point of inflexion in the side surface 652.
The material of infrared filter 670 is a glass, and it is arranged between the 5th lens 650 and the imaging surface 660, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 6.
Among the embodiment 6, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.90mm;
Fno=2.90;
The HFOV=37.3 degree.
Among the embodiment 6, the abbe number of first lens 610 is V1, and the abbe number of second lens 620 is V2, and the abbe number of the 3rd lens 630 is V3, and its relation is as follows:
V1-V2=35.1;
|V2-V3|=2.4。
Among the embodiment 6, thing side surface 611 radius-of-curvature of first lens 610 are R1, be R2 as side surface 612 radius-of-curvature, thing side surface 621 radius-of-curvature of second lens 620 are R3, be R4 as side surface 622 radius-of-curvature, thing side surface 651 radius-of-curvature of the 5th lens 650 are R9, be R10 as side surface 652 radius-of-curvature, its relation is as follows:
|R1/R2|=0.07;
R4/R3=-0.27;
R10/R9=-0.58;
(R9+R10)/(R9-R10)=0.27。
Among the embodiment 6, the focal length of first lens 610 is f1, and the focal length of the 4th lens 640 is f4, and the focal length of the 5th lens 650 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.44;
f/f4=1.56;
f/f5=-1.97;
f/f4-f/f1=0.12。
Among the embodiment 6, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 600 centers, the distance as its vertical optical axis of intersection point of side surface 652 of light and the 5th lens 650 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 600 centers, the distance as its vertical optical axis of intersection point of side surface 652 of light and the 5th lens 650 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 6, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 660, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.72;
Yc2/ImgH=0.75。
Among the embodiment 6, aperture 600 to the distance of imaging surface 660 on optical axis is SL, and the thing side surface 611 of first lens 610 is TTL to the distance of imaging surface 660 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.97;
TTL/ImgH=1.50。
Cooperate with reference to table ten one and table ten two, wherein table ten one is the detailed structured data of Figure 13 embodiment 6 again, and table ten two is the aspherical surface data among the embodiment 6.
Figure BSA00000391547400301
Table ten one
Asphericity coefficient
Figure BSA00000391547400302
Table ten two
In the table ten one, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents in regular turn by the surface of thing side to the picture side, and in the table ten two, k represents the conical surface coefficient in the aspheric curve equation, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Figure 15 and Figure 16, wherein Figure 15 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 7, and Figure 16 is spherical aberration, the astigmatism of Figure 15 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 15, the optical image-taking lens combination of embodiment 7 extremely comprises first lens 710, aperture 700, second lens 720, the 3rd lens 730, the 4th lens 740, the 5th lens 750, infrared filter (IR Filter) 770 and imaging surface 760 as side by the thing side.
Further specify, the material of first lens 710 is plastics, and it has positive refracting power, and the thing side surface 711 of first lens 710 is convex surface, is concave surface as side surface 712, and is all aspheric surface.
The material of second lens 720 is plastics, and it has negative refracting power, and the thing side surface 721 of second lens 720 is convex surface, is concave surface as side surface 722, and is all aspheric surface.
The material of the 3rd lens 730 is plastics, and it has negative refracting power, and the thing side surface 731 of the 3rd lens 730 and be all concave surface as side surface 732, and is all aspheric surface.
The material of the 4th lens 740 is plastics, and it has positive refracting power, and the thing side surface 741 of the 4th lens 740 is concave surface, is convex surface as side surface 742, and is all aspheric surface.
The material of the 5th lens 750 is plastics, and it has negative refracting power, and the thing side surface 751 of the 5th lens 750 and be all concave surface as side surface 752, and is all aspheric surface.In addition, the thing side surface 751 of the 5th lens 750 with as having at least a surface to be provided with at least one point of inflexion in the side surface 752.
The material of infrared filter 770 is a glass, and it is arranged between the 5th lens 750 and the imaging surface 760, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 7.
Among the embodiment 7, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.45mm;
Fno=2.90;
The HFOV=40.8 degree.
Among the embodiment 7, the abbe number of first lens 710 is V1, and the abbe number of second lens 720 is V2, and the abbe number of the 3rd lens 730 is V3, and its relation is as follows:
V1-V2=34.4;
|V2-V3|=0.0。
Among the embodiment 7, thing side surface 711 radius-of-curvature of first lens 710 are R1, be R2 as side surface 712 radius-of-curvature, thing side surface 721 radius-of-curvature of second lens 720 are R3, be R4 as side surface 722 radius-of-curvature, thing side surface 751 radius-of-curvature of the 5th lens 750 are R9, be R10 as side surface 752 radius-of-curvature, its relation is as follows:
|R1/R2|=0.07;
R4/R3=0.24;
R10/R9=-0.22;
(R9+R10)/(R9-R10)=0.63。
Among the embodiment 7, the focal length of first lens 710 is f1, and the focal length of the 4th lens 740 is f4, and the focal length of the 5th lens 750 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.16;
f/f4=2.07;
f/f5=-2.14;
f/f4-f/f1=0.91。
Among the embodiment 7, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 700 centers, the distance as its vertical optical axis of intersection point of side surface 752 of light and the 5th lens 750 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 700 centers, the distance as its vertical optical axis of intersection point of side surface 752 of light and the 5th lens 750 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 7, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 760, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.64;
Yc2/ImgH=0.66。
Among the embodiment 7, aperture 700 to the distance of imaging surface 760 on optical axis is SL, and the thing side surface 711 of first lens 710 is TTL to the distance of imaging surface 760 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.88;
TTL/ImgH=1.43。
Cooperate with reference to table ten three and table ten four, wherein table ten three is the detailed structured data of Figure 15 embodiment 7 again, and table ten four is the aspherical surface data among the embodiment 7.
Table ten three
Asphericity coefficient
Table ten four
In the table ten three, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents in regular turn by the surface of thing side to the picture side, and in the table ten four, k represents the conical surface coefficient in the aspheric curve equation, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Please refer to Figure 17 and Figure 18, wherein Figure 17 illustrates the synoptic diagram according to a kind of optical image-taking lens combination of the utility model embodiment 8, and Figure 18 is spherical aberration, the astigmatism of Figure 17 optical image-taking lens combination from left to right in regular turn and distorts curve map.As shown in Figure 17, the optical image-taking lens combination of embodiment 8 extremely comprises first lens 810, second lens 820, aperture 800, the 3rd lens 830, the 4th lens 840, the 5th lens 850, infrared filter (IR Filter) 870 and imaging surface 860 as side by the thing side.
Further specify, the material of first lens 810 is plastics, and it has positive refracting power, and the thing side surface 811 of first lens 810 and be all convex surface as side surface 812, and is all aspheric surface.
The material of second lens 820 is plastics, and it has negative refracting power, and the thing side surface 821 of second lens 820 and be all concave surface as side surface 822, and is all aspheric surface.
The material of the 3rd lens 830 is plastics, and it has negative refracting power, and the thing side surface 831 of the 3rd lens 830 is convex surface, is concave surface as side surface 832, and is all aspheric surface.
The material of the 4th lens 840 is plastics, and it has positive refracting power, and the thing side surface 841 of the 4th lens 840 is concave surface, is convex surface as side surface 842, and is all aspheric surface.
The material of the 5th lens 850 is plastics, and it has negative refracting power, and the thing side surface 851 of the 5th lens 850 and be all concave surface as side surface 852, and is all aspheric surface.In addition, the thing side surface 851 of the 5th lens 850 with as having at least a surface to be provided with at least one point of inflexion in the side surface 852.
The material of infrared filter 870 is a glass, and it is arranged between the 5th lens 850 and the imaging surface 860, does not influence the focal length of optical image-taking lens combination.
Aspheric curvilinear equation formula is represented the form as embodiment 1 among the embodiment 8.
Among the embodiment 8, the focal length of whole optical image-taking lens combination is f, and the f-number of whole optical image-taking lens combination (f-number) is Fno, and half of maximum visual angle is HFOV in the whole optical image-taking lens combination, and its relational expression is:
f=3.61mm;
Fno=2.50;
The HFOV=38.6 degree.
Among the embodiment 8, the abbe number of first lens 810 is V1, and the abbe number of second lens 820 is V2, and the abbe number of the 3rd lens 830 is V3, and its relation is as follows:
V1-V2=32.5;
|V2-V3|=0.0。
Among the embodiment 8, thing side surface 811 radius-of-curvature of first lens 810 are R1, be R2 as side surface 812 radius-of-curvature, thing side surface 821 radius-of-curvature of second lens 820 are R3, be R4 as side surface 822 radius-of-curvature, thing side surface 851 radius-of-curvature of the 5th lens 850 are R9, be R10 as side surface 852 radius-of-curvature, its relation is as follows:
|R1/R2|=0.17;
R4/R3=-2.00;
R10/R9=-0.05;
(R9+R10)/(R9-R10)=0.90。
Among the embodiment 8, the focal length of first lens 810 is f1, and the focal length of the 4th lens 840 is f4, and the focal length of the 5th lens 850 is f5, and the relation of the focal distance f of itself and whole optical image-taking lens combination is respectively:
f/f1=1.21;
f/f4=1.98;
f/f5=-1.97;
f/f4-f/f1=0.77。
Among the embodiment 8, when the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and passes through aperture 800 centers, the distance as its vertical optical axis of intersection point of side surface 852 of light and the 5th lens 850 is Yc1, and when the relative optical axis angle θ 2 of angle of incidence of light be 37.2 degree and by aperture 800 centers, the distance as its vertical optical axis of intersection point of side surface 852 of light and the 5th lens 850 is that Yc2 (please refer in the synoptic diagram of Fig. 3 and Fig. 4, the position of θ 1, θ 2, Yc1 and Yc2 representative, present embodiment illustrates synoptic diagram no longer in addition).In addition, in embodiment 8, the optical shooting lens group is provided with a sense electronics optical assembly in addition in imaging surface 860, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation with Yc1 and Yc2 is as follows respectively:
Yc1/ImgH=0.65;
Yc2/ImgH=0.68。
Among the embodiment 8, aperture 800 to the distance of imaging surface 860 on optical axis is SL, and the thing side surface 811 of first lens 810 is TTL to the distance of imaging surface 860 on optical axis, and half of sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and its relation is as follows:
SL/TTL=0.77;
TTL/ImgH=1.60。
Cooperate with reference to table ten five and table ten six, wherein table ten five is the detailed structured data of Figure 17 embodiment 8 again, and table ten six is the aspherical surface data among the embodiment 8.
Figure BSA00000391547400361
Table ten five
Asphericity coefficient
Figure BSA00000391547400362
Table ten six
In the table ten five, the unit of radius-of-curvature, thickness and focal length is mm, and surperficial 0-14 represents in regular turn by the surface of thing side to the picture side, and in the table ten six, k represents the conical surface coefficient in the aspheric curve equation, and A1-A14 then represents each surperficial 1-14 rank asphericity coefficient.
Table one to table ten six is depicted as the different numerical value change tables of the utility model optical image-taking lens combination embodiment; 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.Seven in table ten is the numeric data of the corresponding the utility model correlated condition of each embodiment formula.
Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6 Embodiment 7 Embodiment 8
f 3.83 3.83 4.00 3.90 3.94 3.90 3.45 3.61
Fno 2.70 2.70 2.85 2.85 2.90 2.90 2.90 2.50
HFOV 37.6 37.4 37.0 37.2 37.3 37.3 40.8 38.6
V1-V2 32.5 34.4 32.1 32.1 34.5 35.1 34.4 32.5
|V2-V3| 0.0 2.0 0.0 0.0 2.4 2.4 0.0 0.0
|R1/R2| 0.10 0.02 0.07 0.02 0.04 0.07 0.07 0.17
R4/R3 -0.65 -0.14 0.05 -0.08 -0.03 -0.27 0.24 -2.00
R10/R9 -0.36 -0.27 -0.72 -0.74 -0.63 -0.58 -0.22 -0.05
(R9+R10)/(R9-R10) 0.47 0.57 0.16 0.15 0.23 0.27 0.63 0.90
f/f1 1.44 1.30 1.44 1.51 146 1.44 1.16 1.21
f/f4 2.15 2.14 2.22 2.02 1.63 1.56 2.07 1.98
f/f5 -2.27 -2.23 -2.22 -2.17 -2.01 -1.97 -2.14 -1.97
f/f4-f/f1 0.71 0.84 0.78 0.51 0.17 0.12 0.91 0.77
Yc1/ImgH 0.70 0.68 0.68 0.70 0.71 0.72 0.64 0.65
Yc2/ImgH 0.73 0.71 0.71 0.72 0.73 0.75 0.66 0.68
SL/TTL 0.86 0.87 0.88 0.97 0.97 0.97 0.88 0.77
TTL/ImgH 1.54 1.55 1.57 1.52 1.52 1.50 1.43 1.60
Table ten seven
Though the utility model discloses as above with embodiment; right its is not in order to limit the utility model; anyly be familiar with this skill person; in not breaking away from spirit and scope of the present utility model; when can being used for a variety of modifications and variations, therefore protection domain of the present utility model is as the criterion when looking the scope that appending claims defines.

Claims (26)

1. an optical image-taking lens combination is characterized in that, is extremely comprised in regular turn as side by the thing side:
One first lens have positive refracting power, and its thing side surface is a convex surface;
One second lens have negative refracting power;
One the 3rd lens;
One the 4th lens; And
One the 5th lens, its thing side surface with as having at least a surface to be provided with at least one point of inflexion in the side surface, it is a plastic material, and it is a concave surface as side surface;
Wherein, the focal length of this optical image-taking lens combination is f, the focal length of these first lens is f1, and this optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, the distance of this aperture to one imaging surface on optical axis is SL, the thing side surface of these first lens to the distance of this imaging surface on optical axis is TTL, and work as the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and the center of passing through this aperture, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc1, and this sense electronics optical assembly is arranged at this imaging surface, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.7<f/f1<2.0;
0.7<SL/TTL<1.2; And
0.3<Yc1/ImgH<0.9。
2. optical image-taking lens combination according to claim 1 is characterized in that, the 4th lens are plastic material, and its thing side surface is concave surface, be convex surface as side surface, and its thing side surface and be all aspheric surface as side surface.
3. optical image-taking lens combination according to claim 2 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and the focal length of the 4th lens is f4, and satisfies the following relationship formula:
0.0<f/f4-f/f1<1.5。
4. optical image-taking lens combination according to claim 3 is characterized in that, the thing side surface radius-of-curvature of the 5th lens is R9, be R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-5<R10/R9<5。
5. optical image-taking lens combination according to claim 4 is characterized in that, the thing side surface radius-of-curvature of the 5th lens is R9, be R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1.2<R10/R9<0。
6. optical image-taking lens combination according to claim 5 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
-3.2<f/f5<-1.6。
7. optical image-taking lens combination according to claim 4 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and it satisfies the following relationship formula:
1.0<f/f1<1.8。
8. optical image-taking lens combination according to claim 7 is characterized in that, the thing side surface radius-of-curvature of these first lens is R1, be R2 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
|R1/R2|<0.3。
9. optical image-taking lens combination according to claim 2 is characterized in that, the abbe number of these second lens is V2, and the abbe number of the 3rd lens is V3, and it satisfies the following relationship formula:
|V2-V3|<10。
10. optical image-taking lens combination according to claim 7 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
1.3<f/f4<2.5。
11. optical image-taking lens combination according to claim 10, it is characterized in that, when the relative optical axis angle θ 2 of angle of incidence of light is 37.2 degree and passes through this aperture center, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc2, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.5<Yc2/ImgH<0.9。
12. optical image-taking lens combination according to claim 3 is characterized in that, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and it satisfies the following relationship formula:
28<V1-V2<45。
13. optical image-taking lens combination according to claim 12 is characterized in that, the thing side surface radius-of-curvature of the 5th lens is R9, be R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
0.0<(R9+R10)/(R9-R10)<1.0。
14. optical image-taking lens combination according to claim 3 is characterized in that, the thing side surface radius-of-curvature of these second lens is R3, be R4 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1<R4/R3<0。
15. optical image-taking lens combination according to claim 1, it is characterized in that the thing side surface of these first lens to the distance of this imaging surface on optical axis is TTL, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH,, it satisfies the following relationship formula:
TTL/ImgH<1.75。
16. an optical image-taking lens combination is characterized in that, is extremely comprised in regular turn as side by the thing side:
One first lens have positive refracting power, and its thing side surface is a convex surface;
One second lens have negative refracting power;
One the 3rd lens;
One the 4th lens have positive refracting power, and have at least one aspheric surface;
One the 5th lens have negative refracting power, and have at least one aspheric surface, and it is a concave surface as side surface; And
Wherein, the thing side surface radius-of-curvature of the 5th lens is R9, as the side surface radius-of-curvature is R10, and this optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, the distance of this aperture to one imaging surface on optical axis is SL, the thing side surface of these first lens to the distance of this imaging surface on optical axis is TTL, and work as the relative optical axis angle θ 1 of angle of incidence of light is 36.5 degree and the center of passing through this aperture, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc1, and this sense electronics optical assembly is arranged at this imaging surface, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
-5<R10/R9<5;
0.7<SL/TTL<1.2; And
0.3<Yc1/ImgH<0.9。
17. optical image-taking lens combination according to claim 16, it is characterized in that, the thing side surface of the 4th lens is concave surface, be convex surface as side surface, and the thing side surface of the 5th lens is a concave surface, and its thing side surface with as having at least a surface to be provided with at least one point of inflexion in the side surface.
18. optical image-taking lens combination according to claim 17, it is characterized in that the thing side surface radius-of-curvature of these first lens is R1, be R2 as the side surface radius-of-curvature, the focal length of this optical image-taking lens combination is f, the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
| R1/R2|<0.3; And
-3.2<f/f5<-1.6。
19. optical image-taking lens combination according to claim 17 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of these first lens is f1, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
0.0<f/f4-f/f1<1.5。
20. optical image-taking lens combination according to claim 16 is characterized in that, the thing side surface radius-of-curvature of these second lens is R3, be R4 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
-1<R4/R3<0。
21. optical image-taking lens combination according to claim 17 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and it satisfies the following relationship formula:
1.3<f/f4<2.5。
22. an optical image-taking lens combination is characterized in that, is extremely comprised in regular turn as side by the thing side:
One first lens have positive refracting power, and its thing side surface is a convex surface;
One second lens;
One the 3rd lens;
One the 4th lens have positive refracting power, and its thing side surface is concave surface, be convex surface as side surface, and it has at least one aspheric surface; And
One the 5th lens have negative refracting power, its thing side surface with as having at least a surface to be provided with at least one point of inflexion in the side surface, and be concave surface as side surface;
Wherein, FOV is the maximum visual angle of this optical image-taking lens combination, and the thing side surface radius-of-curvature of the 5th lens is R9, be R10 as the side surface radius-of-curvature, and it satisfies the following relationship formula:
FOV>72; And
0<(R9+R10)/(R9-R10)<1.7。
23. optical image-taking lens combination according to claim 22 is characterized in that, the material of the 5th lens is plastics, and its thing side surface radius-of-curvature is R9, be R10 as the side surface radius-of-curvature, and satisfies the following relationship formula:
-1<R10/R9<0。
24. optical image-taking lens combination according to claim 23 is characterized in that, the focal length of this optical image-taking lens combination is f, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, and it satisfies the following relationship formula:
-2.8<f/f5<-1.6; And
1.3<f/f4<2.5。
25. optical image-taking lens combination according to claim 23, it is characterized in that, this optical image-taking lens combination comprises an aperture and a sense electronics optical assembly, when the relative optical axis angle θ 2 of angle of incidence of light is 37.2 degree and the center of passing through this aperture, the distance as its vertical optical axis of intersection point of side surface of light and the 5th lens is Yc2, half of this sense electronics optical assembly effective pixel area diagonal angle line length is ImgH, and it satisfies the following relationship formula:
0.5<Yc2/ImgH<0.9。
26. optical image-taking lens combination according to claim 22 is characterized in that, the abbe number of these first lens is V1, and the abbe number of these second lens is V2, and it satisfies the following relationship formula:
28<V1-V2<42。
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