CN108008521A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN108008521A CN108008521A CN201711144081.2A CN201711144081A CN108008521A CN 108008521 A CN108008521 A CN 108008521A CN 201711144081 A CN201711144081 A CN 201711144081A CN 108008521 A CN108008521 A CN 108008521A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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Abstract
The present invention relates to field of optical lens, discloses a kind of camera optical camera lens, it is sequentially included by thing side to image side：Aperture, the first lens, the second lens, the 3rd lens, the 4th lens, and the 5th lens；The camera optical camera lens meets following relationship：0.90<f1/f<0.95,‑3.1<f2/f<‑2.8,‑17<f3/f<‑15,0.6<f4/f<0.7,‑0.60<f5/f<‑0.55.The camera optical camera lens can have low optical overall length concurrently while having the advantages that super large aperture, and have larger image height, can preferably be suitable for high-pixel camera system.
Description
Technical field
It is more particularly to a kind of to be suitable for the hand-held terminals such as smart mobile phone, digital camera the present invention relates to field of optical lens
Equipment, and the camera optical camera lens of the camera device such as monitor, PC camera lenses.
Background technology
In recent years, with the rise of smart mobile phone, the demand for minimizing phtographic lens increasingly improves, and general phtographic lens
Sensor devices nothing more than being that photosensitive coupled apparatus (Charge Coupled Device, CCD) or Complimentary Metal-Oxide are partly led
Two kinds of body device (Complementary Metal-OxideSemicondctor Sensor, CMOS Sensor), and due to half
Conductor manufacturing process technology progresses greatly so that the Pixel Dimensions of sensor devices reduce, along with electronic product is good with function now
And light and short external form is development trend, therefore, the miniaturization pick-up lens for possessing good image quality becomes at present
The mainstream of in the market.
To obtain preferable image quality, the camera lens that tradition is equipped on mobile phone camera uses three-chip type or quadruple lenses more
Structure.However, with the development of technology and increasing for users on diversity, constantly contract in the elemental area of sensor devices
It is small, and in the case of requirement continuous improvement of the system to image quality, five chip lens arrangements occur gradually over lens design and work as
In, although five common chip lens can correct optical system major part optical aberration, but its optical property and six
Chip lens can not take into account low optical overall length (TTL, Total Track compared to there is gap while with large aperture
Length) the advantages of, and also do not have larger image height, can not be well be suitable for high-pixel camera system.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of camera optical camera lens, it is with super large aperture
The advantages of low optical overall length can be taken into account at the same time, and there is larger image height, it can preferably be suitable for high-pixel camera
System.
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, by thing side to picture
Side sequentially includes：One aperture, one has the first lens of positive refracting power, and one has the second lens of negative refracting power, and one with negative
3rd lens of refracting power, one has the 4th lens of positive refracting power, and one has the 5th lens for bearing refracting power；Entirety is taken the photograph
As the focal length of optical lens is f, the focal length of first lens is f1, and the focal length of second lens is f2, and the described 3rd is saturating
The focal length of mirror is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, meets following relationship：
0.90<f1/f<0.95,-3.1<f2/f<-2.8,-17<f3/f<-15,0.6<f4/f<0.7,-0.60<f5/f<-0.55。
Embodiment of the present invention in terms of existing technologies, by the configuration mode of said lens, can not only obtain
The aperture of super large, the advantages of low optical overall length can also be taken into account, while there is larger image height, can preferably it be suitable for
High-pixel camera system.
In addition, the refractive index n2, the refractive index n3 of the 3rd lens of second lens meet following condition formulae：3.6<
n2*n3<3.9。
In addition, thickness d 3 on the axis of second lens, thickness d 5 meets following condition formulae on the axis of the 3rd lens：
40<1/(d3*d5)<45。
In addition, the radius of curvature r3 of the second lens thing side, the radius of curvature r4 of the second lens image side surface expire
It is enough lower conditional：1.2<(r3+r4)/(r3-r4)<1.4.
In addition, the focal length f1 of first lens, focal length f2, the focal length f3 of the 3rd lens of second lens,
The focal length f4 of 4th lens, and the focal length f5 of the 5th lens meet following relationship：3.2<f1<3.4, -11<f2
<- 10, -60<f3<- 55,2.2<f4<2.4, -2.1<f5<-1.9.
In addition, the refractive index n1 of first lens, the refractive index n2 of second lens, the refraction of the 3rd lens
Rate n3, the refractive index n4 of the 4th lens, and the refractive index n5 of the 5th lens meet following relationship：1.5<n1<
1.6,1.8<n2<1.9,1.9<n3<2.1,1.53<n4<1.55,1.52<n5<1.55。
In addition, the Abbe number v1 of first lens, the Abbe number v2 of second lens, the Abbe of the 3rd lens
Number v3, the Abbe number v4 of the 4th lens, and the Abbe number v5 of the 5th lens meet following relationship：55<v1<
57,23<v2<25,19<v3<21,55<v4<57,55<v5<57.
In addition, the optics overall length TTL of the camera optical camera lens is less than or equal to 4.48 millimeters.
In addition, the aperture F numbers of the camera optical camera lens are less than or equal to 1.7.
In addition, thickness is d3 on the axis of second lens, thickness is d5 on the axis of the 3rd lens, meets following pass
It is formula：0.88 ＜ d3/d5 ＜ 0.92.
Brief description of the drawings
Fig. 1 is the structure diagram of the camera optical camera lens of the present invention in the first embodiment；
Fig. 2 is that the axis colouring differential of camera optical camera lens shown in Fig. 1 is intended to；
Fig. 3 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 4 is the astigmatism curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 5 is the structure diagram of the camera optical camera lens of the present invention in this second embodiment；
Fig. 6 is that the axis colouring differential of camera optical camera lens shown in Fig. 5 is intended to；
Fig. 7 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 5；
Fig. 8 is the astigmatism curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 5.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, each reality below in conjunction with attached drawing to the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
Many ins and outs are proposed in order to make reader more fully understand the present invention.But even if without these ins and outs and base
Many variations and modification in following embodiment, can also realize claimed technical solution of the invention.
Refer to the attached drawing, the present invention provides a kind of camera optical camera lens.Fig. 1 show taking the photograph for first embodiment of the invention
As optical lens 10, which includes five lens.Specifically, the camera optical camera lens 10, by thing side extremely
Image side sequentially includes：Aperture St, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4 and the 5th lens
L5.It may be provided with the optical elements such as optical filtering piece (filter) GF between 5th lens L5 and image planes Si.
First lens L1 has positive refracting power, its outwardly thing side is convex surface, and aperture St is arranged at object and
Between one lens L1.Second lens L2, which has, bears refracting power, and in present embodiment, the image side surface of the second lens L2 is concave surface.The
Three lens L3, which have, bears refracting power, and in present embodiment, the thing side of the 3rd lens L3 is concave surface, and image side surface is convex surface.4th
Lens L4 has a positive refracting power, and in present embodiment, the thing side of the 4th lens L4 is concave surface, image side surface is convex surface, and the 5th is saturating
Mirror L5, which has, bears refracting power, and in present embodiment, the thing side of the 5th lens L5 is concave surface.
Here, the focal length of the overall camera optical camera lens 10 of definition is f, the focal length of the first lens L1 is f1, described the
The focal length of two lens L2 is f2, and the focal length of the 3rd lens L3 is f3, and the focal length of the 4th lens L4 is f4, the described 5th
The focal length of lens L5 is f5, and the refractive index of the second lens L2 is n2, and the refractive index of the 3rd lens L3 is n3, described
Thickness is d3 on the axis of two lens L2, and thickness is d5 on the axis of the 3rd lens L3, the song of the second lens L2 things side
Rate radius is r3, and the radius of curvature of the second lens L2 image side surfaces is r4.The f, f1, f2, f3, f4, f5, n2, n3, d3,
D5, r3 and r4 meet following relationship：0.90<f1/f<0.95,-3.1<f2/f<-2.8,-17<f3/f<-15,0.6<f4/f
<0.7,-0.60<f5/f<-0.55；3.6<n2*n3<3.9,40<1/(d3*d5)<45,1.2<(r3+r4)/(r3-r4)<1.4.
When thick on the focal length of camera optical camera lens 10 of the present invention, the focal length of each lens, the refractive index of associated lens, axis
When degree and radius of curvature meet above-mentioned relation formula, while can making videography optical lens first 10 that there is the aperture of super large, meet low
The design requirement of TTL, and there is larger image height, high-pixel camera system is more applicable for, is also more suitable for high picture
The portable type camera shot equipment of element.
Specifically, in embodiment of the present invention, the focal length f1 of the first lens L1, the focal length of the second lens L2
F2, the focal length f3 of the 3rd lens L3, the focal length f4 of the 4th lens L4, and the focal length f5 of the 5th lens L5 can
To be designed to meet following relationship：3.2<f1<3.4, -11<f2<- 10, -60<f3<- 55,2.2<f4<2.4, -2.1<f5
<- 1.9, unit：Millimeter (mm).It is so designed that, enables to the optics overall length TTL of overall camera optical camera lens 10 to shorten as far as possible,
Maintain the characteristic of miniaturization.
Preferably, the optical full length TTL of the camera optical camera lens 10 of embodiment of the present invention is less than or equal to 4.48
Millimeter.It is so designed that, is more conducive to realize the Miniaturization Design of camera optical camera lens 10.Preferably, in embodiment of the present invention, take the photograph
As optical lens 10 aperture F numbers be less than or equal to 1.7, be advantageously implemented the camera optical camera lens 10 large aperture design,
The design of the large aperture can improve the imaging performance under the 10 low-light (level) environment of camera optical camera lens.
Preferably, in embodiment of the present invention, thickness on the axis of 3 and the 3rd lens L3 of thickness d on the axis of the second lens L2
D5 meets relational expression：0.88 ＜ d3/d5 ＜ 0.92, are so designed that so that the second lens L2 and the 3rd lens L3 has optimal
Thickness, is advantageously implemented the assembling configuration of system.
In the camera optical camera lens 10 of the present invention, the material of each lens can be glass or plastics, if the material of lens is glass
Glass, then can increase the free degree of optical system refracting power configuration of the present invention, if lens material is plastics, can effectively reduce
Production cost.
In embodiment of the present invention, the material of the second lens L2 and the 3rd lens L3 are glass, first lens
The material of L1, the 4th lens L4 and the 5th lens L5 are plastics.Wherein, the second lens L2 and the 3rd lens L3 for glass
The design of material can effectively lift the optical property of camera optical camera lens 10, and under the conditions of different temperature and humidities,
It is with good reliability.
Further, in a preferred embodiment of the invention, the refractive index n1 of the first lens L1, described second is saturating
Refractive index n2, the refractive index n3 of the 3rd lens L3, the refractive index n4 of the 4th lens L4 of mirror L2, and the described 5th
The refractive index n5 of lens L5 meets following relationship：1.5<n1<1.6,1.8<n2<1.9,1.9<n3<2.1,1.53<n4<1.55,
1.52<n5<1.55.It is so designed that, is conducive to lens and also can preferably be matched when using different optical materials, Jin Erke
The camera optical camera lens 10 is set to obtain preferable image quality.
It should be noted that in embodiment of the present invention, the Abbe number v1, the second lens L2 of the first lens L1
Abbe number v2, the Abbe number v3 of the 3rd lens L3, the Abbe number v4 of the 4th lens L4, and the 5th lens
The Abbe number v5 of L5 is designed to meet following relationship：55<v1<57,23<v2<25,19<v3<21,55<v4<57,55<
v5<57.It is so designed that, can effectively suppresses Optical Chromatic phenomenon when camera optical camera lens 10 is imaged.
It is understood that the refractive index designing scheme and Abbe number designing scheme of above-mentioned each lens can be combined with each other and
Apply in the design of camera optical camera lens 10, so that the second lens L2 and the 3rd lens L3 is using high refraction
The optical material of rate, low Abbe number, it can effectively reduce system aberration, greatly improve the imaging product of camera optical camera lens 10
Matter.
In addition, the surface of lens could be provided as aspherical, the aspherical shape that can be easily fabricated to beyond sphere, is obtained
More controlled variable is obtained, to cut down aberration, and then reduces the number that lens use, therefore can effectively reduce the present invention and take the photograph
As the total length of optical lens.In embodiment of the present invention, the thing side of each lens and image side surface are aspherical.
Preferably, the point of inflexion and/or stationary point are also provided with the thing side of the lens and/or image side surface, with full
The imaging demand of sufficient high-quality, specifically can embodiment, join lower described.
It shown below the design data of the camera optical camera lens 10 according to embodiment of the present invention 1.
Table 1, table 2 show the data of the camera optical camera lens 10 of embodiment of the present invention 1.
【Table 1】
The implication of each symbol is as follows.
f：The focal length of camera optical camera lens 10；
f1：The focal length of first lens L1；
f2：The focal length of second lens L2；
f3：The focal length of 3rd lens L3；
f4：The focal length of 4th lens L4；
f5：The focal length of 5th lens L5.
【Table 2】
Wherein, R1, R2 are the thing side of the first lens L1, image side surface, and R3, R4 are thing side, the image side of the second lens L2
Face, R5, R6 are the thing side of the 3rd lens L3, image side surface, and R7, R8 are the thing side of the 4th lens L4, image side surface, and R9, R10 are
The thing side of 5th lens L5, image side surface, R11, R12 are the thing side of optical filtering piece GF, image side surface.Other each symbols contain
Justice is as follows.
d0：Aperture St is to distance on the axis of the thing side of the first lens L1；
d1：Thickness on the axis of first lens L1；
d2：The image side surface of first lens L1 is to distance on the axis of the thing side of the second lens L2；
d3：Thickness on the axis of second lens L2；
d4：The image side surface of second lens L2 is to distance on the axis of the thing side of the 3rd lens L3；
d5：Thickness on the axis of 3rd lens L3；
d6：The image side surface of 3rd lens L3 is to distance on the axis of the thing side of the 4th lens L4；
d7：Thickness on the axis of 4th lens L4；
d8：The image side surface of 4th lens L4 is to distance on the axis of the thing side of the 5th lens L5；
d9：Thickness on the axis of 5th lens L5；
d10：The image side surface of 5th lens L5 is to distance on the axis of the thing side of optical filtering piece GF；
d11：Thickness on the axis of optical filtering piece GF；
d12：The image side surface of optical filtering piece GF is to distance on the axis of image planes；
nd1：The refractive index of first lens L1；
nd2：The refractive index of second lens L2；
nd3：The refractive index of 3rd lens L3；
nd4：The refractive index of 4th lens L4；
nd5：The refractive index of 5th lens L5；
ndg：The refractive index of optical filtering piece GF；
v1：The Abbe number of first lens L1；
v2：The Abbe number of second lens L2；
v3：The Abbe number of 3rd lens L3；
v4：The Abbe number of 4th lens L4；
v5：The Abbe number of 5th lens L5；
vg：The Abbe number of optical filtering piece GF.
Table 3 shows the aspherical surface data of each lens in the camera optical camera lens 10 of embodiment of the present invention 1.
【Table 3】
Table 4, table 5 show that the point of inflexion of each lens and stationary point are set in the camera optical camera lens 10 of embodiment of the present invention 1
Count.Wherein, R1, R2 represent thing side and the image side surface of the first lens L1 respectively, and R3, R4 represent the second lens L2's respectively
Thing side and image side surface, R5, R6 represent thing side and the image side surface of the 3rd lens L3 respectively, and R7, R8 represent the 4th lens respectively
The thing side of L4 and image side surface, R9, R10 represent thing side and the image side surface of the 5th lens L5 respectively." point of inflexion position " field
Vertical range of the point of inflexion of the corresponding data set by each lens surface to 10 optical axis of camera optical camera lens." stationary point position " column
Vertical range of stationary point of the position corresponding data set by each lens surface to 10 optical axis of camera optical camera lens.
【Table 4】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | |
| R1 | 1 | 0.995 | |
| R2 | 1 | 0.745 | |
| R3 | 0 | ||
| R4 | 1 | 0.865 | |
| R5 | 0 | ||
| R6 | 1 | 0.975 | |
| R7 | 1 | 1.115 | |
| R8 | 2 | 1.175 | 1.605 |
| R9 | 1 | 1.335 | |
| R10 | 2 | 0.595 | 2.365 |
【Table 5】
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 1 | 0.965 |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 0 | |
| R8 | 0 | |
| R9 | 1 | 2.155 |
| R10 | 1 | 1.385 |
Fig. 2, Fig. 3 respectively illustrate camera optical of light of the wavelength for 486nm, 588nm and 656nm Jing Guo embodiment 1
Aberration and ratio chromatism, schematic diagram on axis after camera lens 10.Fig. 4 then shows that wavelength is that the light of 588nm passes through embodiment 1
Camera optical camera lens 10 after the astigmatism curvature of field and distortion schematic diagram.
Table 6 below lists the numerical value that each conditional is corresponded in present embodiment according to above-mentioned condition formula.Obviously, this implementation
The imaging optical system of mode meets above-mentioned conditional.
【Table 6】
| Condition | Embodiment 1 |
| 0.90<f1/f<0.95 | 0.927997161 |
| -3.1<f2/f<-2.8 | -2.948450856 |
| -17<f3/f<-15 | -16.19680201 |
| 0.6<f4/f<0.7 | 0.633623935 |
| -0.60<f5/f<-0.55 | -0.579523124 |
| 3.6<n2*n3<3.9 | 3.738353858 |
| 40<1/(d3*d5)<45 | 42.57130694 |
| 1.2<(r3+r4)/(r3-r4)<1.4 | 1.317901124 |
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.09mm, and full filed image height is
3.261mm, the field angle of diagonal is 83.68 °.
As shown in figure 5, it is the camera optical camera lens 20 in embodiment of the present invention 2, the camera optical camera lens 20 and reality
The structure configuration for applying the camera optical camera lens 10 in mode 1 is substantially the same.
It shown below the design data of the camera optical camera lens 20 according to embodiment of the present invention 2.
Table 7, table 8 show the data of the camera optical camera lens 20 of embodiment of the present invention 2.
【Table 7】
The implication of each symbol is as follows.
f：The focal length of camera optical camera lens 20；
f1：The focal length of first lens L1；
f2：The focal length of second lens L2；
f3：The focal length of 3rd lens L3；
f4：The focal length of 4th lens L4；
f5：The focal length of 5th lens L5.
【Table 8】
Wherein, R1, R2 are the thing side of the first lens L1, image side surface, and R3, R4 are thing side, the image side of the second lens L2
Face, R5, R6 are the thing side of the 3rd lens L3, image side surface, and R7, R8 are the thing side of the 4th lens L4, image side surface, and R9, R10 are
The thing side of 5th lens L5, image side surface, R11, R12 are the thing side of optical filtering piece GF, image side surface.Other each symbols contain
Justice is as follows.
d0：Aperture St is to distance on the axis of the thing side of the first lens L1；
d1：Thickness on the axis of first lens L1；
d2：The image side surface of first lens L1 is to distance on the axis of the thing side of the second lens L2；
d3：Thickness on the axis of second lens L2；
d4：The image side surface of second lens L2 is to distance on the axis of the thing side of the 3rd lens L3；
d5：Thickness on the axis of 3rd lens L3；
d6：The image side surface of 3rd lens L3 is to distance on the axis of the thing side of the 4th lens L4；
d7：Thickness on the axis of 4th lens L4；
d8：The image side surface of 4th lens L4 is to distance on the axis of the thing side of the 5th lens L5；
d9：Thickness on the axis of 5th lens L5；
d10：The image side surface of 5th lens L5 is to distance on the axis of the thing side of optical filtering piece GF；
d11：Thickness on the axis of optical filtering piece GF；
d12：The image side surface of optical filtering piece GF is to distance on the axis of image planes；
nd1：The refractive index of first lens L1；
nd2：The refractive index of second lens L2；
nd3：The refractive index of 3rd lens L3；
nd4：The refractive index of 4th lens L4；
nd5：The refractive index of 5th lens L5；
ndg：The refractive index of optical filtering piece GF；
v1：The Abbe number of first lens L1；
v2：The Abbe number of second lens L2；
v3：The Abbe number of 3rd lens L3；
v4：The Abbe number of 4th lens L4；
v5：The Abbe number of 5th lens L5；
vg：The Abbe number of optical filtering piece GF.
Table 9 shows the aspherical surface data of each lens in the camera optical camera lens 20 of embodiment of the present invention 2.
【Table 9】
Table 10, table 11 show the point of inflexion of each lens and stationary point in the camera optical camera lens 20 of embodiment of the present invention 2
Design data.Wherein, R1, R2 represent thing side and the image side surface of the first lens L1 respectively, and R3, R4 represent the second lens L2 respectively
Thing side and image side surface, R5, R6 represent thing side and the image side surface of the 3rd lens L3 respectively, it is saturating that R7, R8 represent the 4th respectively
The thing side of mirror L4 and image side surface, R9, R10 represent thing side and the image side surface of the 5th lens L5 respectively." point of inflexion position " column
Vertical range of the point of inflexion of the position corresponding data set by each lens surface to 20 optical axis of camera optical camera lens." stationary point position "
Vertical range of stationary point of the field corresponding data set by each lens surface to 20 optical axis of camera optical camera lens.
【Table 10】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
| R1 | 1 | 0.995 | ||
| R2 | 1 | 0.745 | ||
| R3 | 0 | |||
| R4 | 1 | 0.865 | ||
| R5 | 0 | |||
| R6 | 1 | 0.975 | ||
| R7 | 1 | 1.115 | ||
| R8 | 2 | 1.175 | 1.605 | |
| R9 | 2 | 1.335 | 2.535 | |
| R10 | 3 | 0.595 | 2.375 | 2.775 |
【Table 11】
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 1 | 0.965 |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 0 | |
| R8 | 0 | |
| R9 | 1 | 2.155 |
| R10 | 1 | 1.385 |
Fig. 6, Fig. 7 respectively illustrate camera optical of light of the wavelength for 486nm, 588nm and 656nm Jing Guo embodiment 1
Aberration and ratio chromatism, schematic diagram on axis after camera lens 20.Fig. 8 then shows that wavelength is that the light of 588nm passes through embodiment 2
Camera optical camera lens 20 after the astigmatism curvature of field and distortion schematic diagram.
Table 12 below lists the numerical value that each conditional is corresponded in present embodiment according to above-mentioned condition formula.Obviously, this reality
The imaging optical system for applying mode meets above-mentioned conditional.
【Table 12】
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.08mm, and full filed image height is
3.261mm, the field angle of diagonal is 83.85 °.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment party of the present invention
Formula, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and model of the present invention
Enclose.
Claims (10)
1. a kind of camera optical camera lens, it is characterised in that the camera optical camera lens, is sequentially included by thing side to image side：One light
Circle, one has the first lens of positive refracting power, and one has the second lens of negative refracting power, and one the with negative refracting power the 3rd is saturating
Mirror, one has the 4th lens of positive refracting power, and one has the 5th lens for bearing refracting power；
The focal length of overall camera optical camera lens is f, and the focal length of first lens is f1, and the focal length of second lens is f2,
The focal length of 3rd lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, is met following
Relational expression：
0.90<f1/f<0.95,-3.1<f2/f<-2.8,-17<f3/f<-15,0.6<f4/f<0.7,-0.60<f5/f<-0.55。
2. camera optical camera lens according to claim 1, it is characterised in that the refractive index n2 of second lens, it is described
The refractive index n3 of 3rd lens meets following condition formulae：
3.6<n2*n3<3.9。
3. camera optical camera lens according to claim 1, it is characterised in that thickness d 3 on the axis of second lens, institute
State thickness d 5 on the axis of the 3rd lens and meet following condition formulae：
40<1/(d3*d5)<45。
4. camera optical camera lens according to claim 1, it is characterised in that the radius of curvature of the second lens thing side
R3, the radius of curvature r4 of the second lens image side surface are satisfied the following conditional expression：
1.2<(r3+r4)/(r3-r4)<1.4。
5. camera optical camera lens according to claim 1, it is characterised in that the focal length f1 of first lens, described
Focal length f2, the focal length f3 of the 3rd lens, the focal length f4 of the 4th lens of two lens, and Jiao of the 5th lens
Meet following relationship away from f5：
3.2<f1<3.4, -11<f2<- 10, -60<f3<- 55,2.2<f4<2.4-2.1<f5<-1.9.
6. camera optical camera lens according to claim 1, it is characterised in that the refractive index n1 of first lens, it is described
Refractive index n2, the refractive index n3 of the 3rd lens, the refractive index n4 of the 4th lens of second lens, and the described 5th
The refractive index n5 of lens meets following relationship：
1.5<n1<1.6,1.8<n2<1.9,1.9<n3<2.1,1.53<n4<1.55,1.52<n5<1.55。
7. camera optical camera lens according to claim 1, it is characterised in that the Abbe number v1 of first lens, it is described
Abbe number v2, the Abbe number v3 of the 3rd lens, the Abbe number v4 of the 4th lens of second lens, and the described 5th
The Abbe number v5 of lens meets following relationship：
55<v1<57,23<v2<25,19<v3<21,55<v4<57,55<v5<57.
8. camera optical camera lens according to claim 1, it is characterised in that the optics overall length of the camera optical camera lens
TTL is less than or equal to 4.48 millimeters.
9. camera optical camera lens according to claim 1, it is characterised in that the aperture F numbers of the camera optical camera lens are small
In or equal to 1.7.
10. camera optical camera lens according to claim 1, it is characterised in that thickness is d3 on the axis of second lens,
Thickness is d5 on the axis of 3rd lens, meets following relationship：0.88 ＜ d3/d5 ＜ 0.92.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711144081.2A CN108008521B (en) | 2017-11-17 | 2017-11-17 | Image pickup optical lens |
| JP2018141016A JP6502559B1 (en) | 2017-11-17 | 2018-07-27 | Imaging optical lens |
| US16/102,019 US10775593B2 (en) | 2017-11-17 | 2018-08-13 | Camera optical lens |
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| CN201711144081.2A CN108008521B (en) | 2017-11-17 | 2017-11-17 | Image pickup optical lens |
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| CN108008521A true CN108008521A (en) | 2018-05-08 |
| CN108008521B CN108008521B (en) | 2020-06-09 |
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| CN110488464B (en) * | 2019-08-19 | 2021-04-06 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| CN111929829B (en) * | 2020-09-03 | 2021-04-13 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN113433656B (en) * | 2021-06-11 | 2023-11-07 | 江西欧菲光学有限公司 | Imaging system, lens module and electronic equipment |
| CN113376816B (en) * | 2021-06-18 | 2022-05-27 | 青岛理工大学 | Aspheric surface short wave infrared lens |
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| CN106802472A (en) * | 2016-12-14 | 2017-06-06 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| CN106842507A (en) * | 2017-03-03 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| CN106842505A (en) * | 2017-03-03 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
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| CN101995641B (en) * | 2009-08-24 | 2012-05-30 | 大立光电股份有限公司 | Photographic lens system |
| TWI422900B (en) * | 2010-12-23 | 2014-01-11 | Largan Precision Co Ltd | Photographing optical lens assembly |
| TWI431356B (en) * | 2011-01-03 | 2014-03-21 | Largan Precision Co | Image pick-up optical lens assembly |
| TWI440924B (en) * | 2011-09-06 | 2014-06-11 | Largan Precision Co Ltd | Image lens system |
| CN103364929B (en) * | 2012-03-30 | 2015-08-19 | 玉晶光电(厦门)有限公司 | Optical imaging lens and apply the electronic installation of this camera lens |
| JP6324830B2 (en) * | 2014-07-14 | 2018-05-16 | カンタツ株式会社 | Imaging lens |
| TWI576632B (en) * | 2015-03-02 | 2017-04-01 | 大立光電股份有限公司 | Imaging system, image capturing apparatus and electronic device |
| CN105445904B (en) * | 2015-07-10 | 2017-10-20 | 玉晶光电(厦门)有限公司 | Portable electron device and its optical imaging lens |
| JP6150317B2 (en) * | 2016-08-30 | 2017-06-21 | 富士フイルム株式会社 | Imaging lens and imaging device provided with imaging lens |
| CN107167900B (en) * | 2017-07-25 | 2022-09-06 | 浙江舜宇光学有限公司 | Optical imaging lens |
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| CN106802472A (en) * | 2016-12-14 | 2017-06-06 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| CN106842507A (en) * | 2017-03-03 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| CN106842505A (en) * | 2017-03-03 | 2017-06-13 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
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| JP2019095767A (en) | 2019-06-20 |
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