CN107765401A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN107765401A CN107765401A CN201711143816.XA CN201711143816A CN107765401A CN 107765401 A CN107765401 A CN 107765401A CN 201711143816 A CN201711143816 A CN 201711143816A CN 107765401 A CN107765401 A CN 107765401A
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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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
Abstract
The present invention relates to field of optical lens, discloses a kind of camera optical camera lens, and the camera optical camera lens 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 overall camera optical camera lens meets following relationship：0.85<f1/f<0.87,‑2.8<f2/f<‑3.0,‑8.4<f3/f<‑7.3,0.58<f4/f<0.62,‑0.55<f5/f<‑0.50.Camera optical camera lens provided by the invention can take into account the advantages of its low optical overall length keeps relatively low numerical value while compared with large aperture.
Description
Technical field
The present invention relates to field of optical lens, more particularly to a kind of camera optical camera lens.
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 compact external form is development trend, therefore, the miniaturization pick-up lens for possessing good image quality becomes at present
The main flow 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 contracted 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 worked as
In, although five common chip lens can correct optical system major part optical aberration, but can not be compared with large aperture
While the advantages of taking into account low optical overall length (Total Track Length, TTL).
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 can be same compared with large aperture
When the advantages of taking into account low optical overall length.
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：
0.85<f1/f<0.87,-2.8<f2/f<-3.0,-8.4<f3/f<-7.3,0.58<f4/f<0.62,-0.55<f5/
f<-0.50。
Embodiment of the present invention in terms of existing technologies, not only can be effective by the configuration mode of said lens
Aberration is corrected to obtain preferable image quality using the lens with different refracting powers and focal length, moreover it is possible to compared with large aperture
The advantages of taking into account low TTL simultaneously, it is adapted to the Portable image pickup element of high pixel.
In addition, the Abbe number of second lens is v2, the Abbe number of the 3rd lens is v3, the 3rd lens
Refractive index is n3, meets following relationship：9.5<v3/n3<11.5,40<V2+V3<42.
In addition, the thickness of first lens is d1, the thickness of the 3rd lens is d5, the thickness of the 4th lens
For d7, meet following relationship：0.25<d5<0.26,4.4<(d1+d7)/d5<4.8.
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：2.85<f1<2.95,-10
<f2<-9,-29<f3<-24,1.9<f4<2.1,-1.8<f5<-1.7。
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 n6 of the 5th lens meet following relationship：1.5<n1<
1.6,1.6<n2<1.7,1.9<n3<2.1,1.5<n4<1.6,1.52<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<
57,22<v2<25,19.5<v3<21.5,55<v4<57,55<v5<57.
In addition, the optics total length of the camera optical camera lens is less than or equal to 4.0 millimeters.
In addition, the aperture F values of the camera optical camera lens are less than or equal to 1.8.
In addition, the thickness of second lens is d3, the thickness of the 3rd lens is d5, meets relationship below：1.2
＜ d5/d3 ＜ 1.3.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the camera optical camera lens of the present invention；
Fig. 2 is that the axle 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 structural representation of the second embodiment of the camera optical camera lens of the present invention；
Fig. 6 is that the axle 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 accompanying 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,
In order that reader more fully understands the present invention and proposes many ins and outs.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 invention provides a kind of camera optical camera lens.Fig. 1 show the shooting of first embodiment of the invention
Optical lens 10, the camera optical camera lens 10 include five lens.Specifically, the camera optical camera lens 10, by thing side to picture
Side sequentially includes：Aperture St, the first lens L1 with positive refracting power, the second lens L2 with negative refracting power, have it is negative in the wrong
Roll over the 3rd lens L3, the 4th lens L4 with positive refracting power of power and the 5th lens L5 with negative refracting power.5th is saturating
The optical elements such as optical filtering piece (filter) GF are may be provided between mirror L5 and image planes Si.
First lens L1 has positive refracting power, and it can effectively reduce system length, and its outwardly thing side is convex surface,
Aperture St is arranged between object and the first lens L1.Second lens L2, which has, bears refracting power, in the present embodiment, the second lens
L2 image side surface is concave surface.3rd lens L3 has a negative refracting power, in the present embodiment, the 3rd lens L3 thing side is concave surface,
Image side surface is convex surface.4th lens L4 has positive refracting power, can distribute the first lens L1 positive refracting power, and then reduce system
Susceptibility, in the present embodiment, the 4th lens L4 thing side is concave surface, image side surface is convex surface.5th lens L5 has negative flexion
Power, in the present embodiment, the 5th lens L5 things side is concave surface.
Here, the focal length for defining overall camera optical camera lens 10 is f, the focal length of the first lens L1 is f1, described
Two lens L2 focal length 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
Lens L5 focal length is f5, and the Abbe number of the 3rd lens is v3, and the refractive index of second lens is n2, and the described 3rd is saturating
The refractive index of mirror is n3, and the thickness of first lens is d1, and the thickness of the 3rd lens is d5, the thickness of the 4th lens
Spend for d7, meet following relationship：
0.85<f1/f<0.87,-2.8<f2/f<-3.0,-8.4<f3/f<-7.3,0.58<f4/f<0.62,-0.55<f5/
f<-0.50；
9.5<v3/n3<11.5,40<V2+V3<42,0.25<d5<0.26,4.4<(d1+d7)/d5<4.8。
When the focal length of camera optical camera lens 10 of the present invention and focal length, Abbe number, refractive index, the lens of each lens are thick
Degree and radius of curvature can control/adjust the refracting power size of each lens to configure when meeting above-mentioned relation formula, repairing positive aberration with
While ensureing image quality, meet low TTL design requirement, be more suitable for the portable type camera shot equipment of high pixel.
Specifically, in the embodiment of the present invention, the focal length f1 of first lens, the focal length f2 of second lens are described
The focal length f3 of 3rd lens, the focal length f4 of the 4th lens, the focal length f5 of the 5th lens, it may be designed under satisfaction
Row relational expression：2.85<f1<2.95,-10<f2<-9,-29<f3<-24,1.9<f4<2.1,-1.8<f5<- 1.7, 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 spy of miniaturization
Property.
Preferably, optical full length TTL≤4.0mm of the camera optical camera lens 10 of the embodiment of the present invention.It is so designed that,
It is more conducive to realize the Miniaturization Design of camera optical camera lens 10.Preferably, in the embodiment of the present invention, the aperture of camera optical camera lens
F values are less than or equal to 1.8, and the camera optical camera lens 10 is object lens of large relative aperture optical system, it is possible to increase under low-light (level) environment
Imaging performance, realize the super large aperture of system.Preferably, in the embodiment of the present invention, the thickness of second lens is d3, institute
The thickness for stating the 3rd lens is d5, meets relationship below：1.2 ＜ d5/d3 ＜ 1.3, it is designed so that the second lens and
Three lens have optimal thickness, beneficial to the Stability Analysis of Structures of optical system.
In the camera optical camera lens 10 of the present invention, the material of each lens can be glass or plastic cement, if the material of lens is glass
Glass, then it can increase the free degree of optical system refracting power configuration of the present invention, if lens material is plastic cement, can effectively reduce
Production cost.
In the embodiment of the present invention, the material of the 3rd lens is glass, can effectively lift the camera optical camera lens
Optical property, first lens, the second lens, the material of the 4th lens and the 5th lens are plastics, can effectively be reduced
Production cost.
Further, in a preferred embodiment of the invention, the refractive index n1 of first lens, second lens
Refractive index n2, the refractive index n3 of the 3rd lens, the refractive index n4 of the 4th lens, and the refraction of the 5th lens
Rate n5, meets following relationship：1.5<n1<1.6,1.6<n2<1.7,1.9<n3<2.1,1.5<n4<1.6,1.52<n5<1.55.
It is so designed that, is advantageous to lens and appropriate matching is obtained on optical material, and then can obtain the camera optical camera lens 10
Preferable image quality.
It should be noted that in the embodiment of the present invention, the Abbe number v1 of first lens, the Abbe of second lens
Number v2, the Abbe number v3 of the 3rd lens, the Abbe number v4 of the 4th lens, and the Abbe number of the 5th lens
V5, it is designed to meet following relationship：55<v1<57,22<v2<25,19.5<v3<21.5,55<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 design and Abbe number design 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 using high index of refraction,
Low Abbe number optical material is made, and can effectively reduce camera lens aberration, greatly improves the image quality of camera optical camera lens 10.
In addition, the surface of lens could be arranged to aspherical, the aspherical shape that can be easily fabricated to beyond sphere, obtain
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 the 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 the embodiment of the present invention 1.
Table 1, table 2 show the data of the camera optical camera lens 10 of the 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：First lens L1 focal length；
f2：Second lens L2 focal length；
f3：3rd lens L3 focal length；
f4：4th lens L4 focal length；
f5：5th lens L5 focal length.
【Table 2】
Wherein, R1, R2 are the first lens L1 thing side, image side surface, and R3, R4 are the second lens L2 thing side, image side
Face, R5, R6 are the 3rd lens L3 thing side, image side surface, and R7, R8 are the 4th lens L4 thing side, image side surface, and R9, R10 are
5th lens L5 thing side, image side surface, R11, R12 are optical filtering piece GF thing side, image side surface.Other each symbols contain
Justice is as follows.
d0：Aperture St is to distance on the axle of the first lens L1 thing side；
d1：Thickness on first lens L1 axle；
d2：First lens L1 image side surface is to distance on the axle of the second lens L2 thing side；
d3：Thickness on second lens L2 axle；
d4：Second lens L2 image side surface is to distance on the axle of the 3rd lens L3 thing side；
d5：Thickness on 3rd lens L3 axle；
d6：3rd lens L3 image side surface is to distance on the axle of the 4th lens L4 thing side；
d7：Thickness on 4th lens L4 axle；
d8：4th lens L4 image side surface is to distance on the axle of the 5th lens L5 thing side；
d9：Thickness on 5th lens L5 axle；
d10：5th lens L5 image side surface is to distance on the axle of optical filtering piece GF thing side；
d11：Thickness on optical filtering piece GF axle；
d12：Optical filtering piece GF image side surface is to distance on the axle of image planes；
nd1：First lens L1 refractive index；
nd2：Second lens L2 refractive index；
nd3：3rd lens L3 refractive index；
nd4：4th lens L4 refractive index；
nd5：5th lens L5 refractive index；
ndg：Optical filtering piece GF refractive index；
v1：First lens L1 Abbe number；
v2：Second lens L2 Abbe number；
v3：3rd lens L3 Abbe number；
v4：4th lens L4 Abbe number；
v5：5th lens L5 Abbe number；
vg：Optical filtering piece GF Abbe number.
Table 3 shows the aspherical surface data of each lens in the camera optical camera lens 10 of the embodiment of the present invention 1.
【Table 3】
Table 4, table 5 show the point of inflexion of each lens and stationary point design in the camera optical camera lens 10 of the embodiment of the present invention 1
Data.Wherein, R1, R2 represent the first lens L1 thing side and image side surface respectively, and R3, R4 represent the second lens L2 thing respectively
Side and image side surface, R5, R6 represent the 3rd lens L3 thing side and image side surface respectively, and R7, R8 represent the 4th lens L4 respectively
Thing side and image side surface, R9, R10 represent the 5th lens L5 thing side and image side surface respectively." point of inflexion position " field pair
The point of inflexion of the data set by each lens surface is answered to the vertical range of the optical axis of camera optical camera lens 10." stationary point position " field
Corresponding data is vertical range of the stationary point set by each lens surface to the optical axis of camera optical camera lens 10.
【Table 4】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
| R1 | 1 | 0.875 | ||
| R2 | 1 | 0.505 | ||
| R3 | 2 | 0.115 | 0.305 | |
| R4 | 1 | 0.755 | ||
| R5 | 0 | |||
| R6 | 0 | |||
| R7 | 3 | 0.955 | 1.395 | 1.515 |
| R8 | 2 | 0.865 | 1.595 | |
| R9 | 1 | 1.255 | ||
| R10 | 2 | 0.495 | 2.155 |
【Table 5】
| Stationary point number | Stationary point position 1 | Stationary point position 2 | |
| R1 | 0 | ||
| R2 | 1 | 0.805 | |
| R3 | 2 | 0.215 | 0.355 |
| R4 | 0 | ||
| R5 | 0 | ||
| R6 | 0 | ||
| R7 | 0 | ||
| R8 | 0 | ||
| R9 | 1 | 1.985 | |
| R10 | 1 | 1.145 |
Fig. 2, Fig. 3 respectively illustrate videography optical lens of light of the wavelength for 486nm, 588nm and 656nm Jing Guo embodiment 1
Aberration and ratio chromatism, schematic diagram on axle after first 10.Fig. 4 then shows that the light that wavelength is 588nm passes through taking the photograph for embodiment 1
As the astigmatism curvature of field after optical lens 10 and distortion schematic diagram.
Table 6 below lists the numerical value that each conditional is corresponded in the present embodiment according to above-mentioned condition formula.Obviously, the present embodiment
Imaging optical system meet above-mentioned conditional.
【Table 6】
| Condition | Embodiment 1 |
| 0.85<f1/f<0.87, | 0.8625522 |
| -2.8<f2/f<-3.0 | -2.912045 |
| -8.4<f3/f<-7.3 | -7.5265355 |
| 0.58<f4/f<0.62 | 0.6016696 |
| -0.55<f5/f<-0.50 | -0.5220632 |
| 9.5<v3/n3<11.5, | 10.083993 |
| 40<V2+V3<42 | 40.82 |
| 0.25<d5<0.26 | 0.258 |
| 4.4<(d1+d7)/d5<4.8 | 4.4728682 |
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.86mm, and full filed image height is 2.9335mm,
The angle of visual field of diagonal is 81.39 °.
Fig. 5 show the camera optical camera lens 20 of second embodiment of the invention, the configuration of its each lens and first embodiment
Camera optical camera lens 10 be substantially the same.It shown below the design number of the camera optical camera lens 20 according to the embodiment of the present invention 2
According to.
Table 7, table 8 show the data of the camera optical camera lens 20 of the 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：First lens L1 focal length；
f2：Second lens L2 focal length；
f3：3rd lens L3 focal length；
f4：4th lens L4 focal length；
f5：5th lens L5 focal length.
【Table 8】
Wherein, R1, R2 are the first lens L1 thing side, image side surface, and R3, R4 are the second lens L2 thing side, image side
Face, R5, R6 are the 3rd lens L3 thing side, image side surface, and R7, R8 are the 4th lens L4 thing side, image side surface, and R9, R10 are
5th lens L5 thing side, image side surface, R11, R12 are optical filtering piece GF thing side, image side surface.Other each symbols contain
Justice is as follows.
d0：Aperture St is to distance on the axle of the first lens L1 thing side；
d1：Thickness on first lens L1 axle；
d2：First lens L1 image side surface is to distance on the axle of the second lens L2 thing side；
d3：Thickness on second lens L2 axle；
d4：Second lens L2 image side surface is to distance on the axle of the 3rd lens L3 thing side；
d5：Thickness on 3rd lens L3 axle；
d6：3rd lens L3 image side surface is to distance on the axle of the 4th lens L4 thing side；
d7：Thickness on 4th lens L4 axle；
d8：4th lens L4 image side surface is to distance on the axle of the 5th lens L5 thing side；
d9：Thickness on 5th lens L5 axle；
d10：5th lens L5 image side surface is to distance on the axle of optical filtering piece GF thing side；
d11：Thickness on optical filtering piece GF axle；
d12：Optical filtering piece GF image side surface is to distance on the axle of image planes；
nd1：First lens L1 refractive index；
nd2：Second lens L2 refractive index；
nd3：3rd lens L3 refractive index；
nd4：4th lens L4 refractive index；
nd5：5th lens L5 refractive index；
ndg：Optical filtering piece GF refractive index；
v1：First lens L1 Abbe number；
v2：Second lens L2 Abbe number；
v3：3rd lens L3 Abbe number；
v4：4th lens L4 Abbe number；
v5：5th lens L5 Abbe number；
vg：Optical filtering piece GF Abbe number.
Table 9 shows the aspherical surface data of each lens in the camera optical camera lens 20 of the embodiment of the present invention 2.
【Table 9】
Table 10, table 11 show that the point of inflexion of each lens and stationary point are set in the camera optical camera lens 20 of the embodiment of the present invention 2
Count.Wherein, R1, R2 represent the first lens L1 thing side and image side surface respectively, and R3, R4 represent the second lens L2's respectively
Thing side and image side surface, R5, R6 represent the 3rd lens L3 thing side and image side surface respectively, and R7, R8 represent the 4th lens respectively
L4 thing side and image side surface, R9, R10 represent the 5th lens L5 thing side and image side surface respectively." point of inflexion position " field
Corresponding data is vertical range of the point of inflexion set by each lens surface to the optical axis of camera optical camera lens 20." stationary point position " column
Position corresponding data is vertical range of the stationary point set by each lens surface to the optical axis of camera optical camera lens 20.
【Table 10】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
| R1 | 1 | 0.875 | ||
| R2 | 1 | 0.495 | ||
| R3 | 2 | 0.105 | 0.315 | |
| R4 | 1 | 0.765 | ||
| R5 | 0 | |||
| R6 | 0 | |||
| R7 | 3 | 0.965 | 1.395 | 1.495 |
| R8 | 2 | 0.875 | 1.595 | |
| R9 | 1 | 1.255 | ||
| R10 | 2 | 0.495 | 2.155 |
【Table 11】
Fig. 6, Fig. 7 respectively illustrate videography optical lens of light of the wavelength for 486nm, 588nm and 656nm Jing Guo embodiment 2
Aberration and ratio chromatism, schematic diagram on axle after first 20.Fig. 8 then shows that the light that wavelength is 588nm passes through taking the photograph for embodiment 2
As the astigmatism curvature of field after optical lens 20 and distortion schematic diagram.
Table 12 below lists the numerical value that each conditional is corresponded in the present embodiment according to above-mentioned condition formula.Obviously, this implementation
The imaging optical system of example meets above-mentioned conditional.
【Table 12】
| Condition | Embodiment 2 |
| 0.85<f1/f<0.87, | 0.86130086 |
| -2.8<f2/f<-3.0 | -2.8823879 |
| -8.4<f3/f<-7.3 | -8.2690823 |
| 0.58<f4/f<0.62 | 0.6029106 |
| -0.55<f5/f<-0.50 | -0.5194535 |
| 9.5<v3/n3<11.5, | 10.083992 |
| 40<V2+nV3<42 | 40.82 |
| 0.25<d5<0.26 | 0.252 |
| 4.4<(d1+d7)/d5<4.8 | 4.57142857 |
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.87mm, and full filed image height is 2.9335mm,
The angle of visual field of diagonal is 81.21 °.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific embodiment of the present invention,
And in actual applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of camera optical camera lens, it is characterised in that the camera optical camera lens, 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：
0.85<f1/f<0.87,-2.8<f2/f<-3.0,-8.4<f3/f<-7.3,0.58<f4/f<0.62,-0.55<f5/f<-
0.50。
2. camera optical camera lens according to claim 1, it is characterised in that the Abbe number of second lens is v2, institute
The Abbe number for stating the 3rd lens is v3, and the refractive index of the 3rd lens is n3, meets following relationship：
9.5<v3/n3<11.5,40<V2+V3<42。
3. camera optical camera lens according to claim 1, it is characterised in that the thickness of first lens is d1, described
The thickness of 3rd lens is d5, and the thickness of the 4th lens is d7, meets following relationship：
0.25<d5<0.26,4.4<(d1+d7)/d5<4.8。
4. 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
Away from f5, meet following relationship：
2.85<f1<2.95,-10<f2<-9,-29<f3<-24,1.9<f4<2.1,-1.8<f5<-1.7。
5. 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 n6 of lens meets following relationship：
1.5<n1<1.6,1.6<n2<1.7,1.9<n3<2.1,1.5<n4<1.6,1.52<n5<1.55.
6. 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<57,22<v2<25,19.5<v3<21.5,55<v4<57,55<v5<57.
7. camera optical camera lens according to claim 1, it is characterised in that the optics total length of the camera optical camera lens
Less than or equal to 4.0 millimeters.
8. camera optical camera lens according to claim 1, it is characterised in that the aperture F values of the camera optical camera lens are small
In or equal to 1.8.
9. camera optical camera lens according to claim 1, it is characterised in that the thickness of second lens is d3, described
The thickness of 3rd lens is d5, meets relationship below：1.2 ＜ d5/d3 ＜ 1.3.
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| CN201711143816.XA CN107765401B (en) | 2017-11-17 | 2017-11-17 | Image pickup optical lens |
| JP2018140388A JP6496447B1 (en) | 2017-11-17 | 2018-07-26 | Imaging optical lens |
| US16/101,640 US10739564B2 (en) | 2017-11-17 | 2018-08-13 | Camera optical lens |
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Cited By (2)
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|---|---|---|---|---|
| CN110221400A (en) * | 2019-05-02 | 2019-09-10 | 瑞声声学科技(深圳)有限公司 | A kind of camera optical camera lens |
| WO2021027022A1 (en) * | 2019-08-14 | 2021-02-18 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111929829B (en) * | 2020-09-03 | 2021-04-13 | 诚瑞光学(苏州)有限公司 | Image pickup optical lens |
| CN113985569B (en) * | 2021-09-18 | 2023-09-05 | 江西晶超光学有限公司 | Optical system, lens module and electronic equipment |
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| CN106842506A (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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| CN107065132A (en) * | 2017-03-03 | 2017-08-18 | 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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| CN106842506A (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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| CN107065132A (en) * | 2017-03-03 | 2017-08-18 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
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| CN110221400A (en) * | 2019-05-02 | 2019-09-10 | 瑞声声学科技(深圳)有限公司 | A kind of camera optical camera lens |
| WO2021027022A1 (en) * | 2019-08-14 | 2021-02-18 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
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| JP2019095765A (en) | 2019-06-20 |
| CN107765401B (en) | 2020-06-09 |
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