CN106842507A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN106842507A CN106842507A CN201710123004.2A CN201710123004A CN106842507A CN 106842507 A CN106842507 A CN 106842507A CN 201710123004 A CN201710123004 A CN 201710123004A CN 106842507 A CN106842507 A CN 106842507A
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- refractive index
- camera optical
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- 230000003287 optical effect Effects 0.000 title claims abstract description 104
- 239000000463 material Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- 238000009738 saturating Methods 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 230000004075 alteration Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000004040 coloring Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
Abstract
The present invention relates to field of optical lens, a kind of camera optical camera lens is disclosed, 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；And meet following relationship：0.75<f1/f<0.85,‑2.1<f2/f<‑1.9,‑14.5<f3/f<‑10.0,0.7<f4/f<0.85,‑0.6<f5/f<‑0.5；11<v2/n2<14,17.5<v3/n3<19.5,1.15<n2/n5<1.25,0.35<(d3+d5)/(d1+d7)<0.4；1.7<(r3‑r6)/(r3+r6)<2.3.The camera optical camera lens takes into account low TTL while having the advantages that excellent optical properties.
Description
Technical field
It is more particularly to a kind of to be applied to the hand-held terminals such as smart mobile phone, digital camera the present invention relates to field of optical lens
Equipment, and the camera head such as monitor, PC camera lenses camera optical camera lens.
Background technology
In recent years, with the rise of smart mobile phone, the demand for minimizing phtographic lens is increasingly improved, 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.
It is to obtain preferably image quality, tradition is equipped on more than the camera lens of mobile phone camera using three-chip type or quadruple lenses
Structure.However, with the development of technology and increasing for users on diversity, constantly being 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 work as
In, although five common chip lens can correct optical system major part optical aberration, but cannot be with outstanding
The advantage of low optical overall length (Total Track Length, TTL) is taken into account while optical characteristics.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of camera optical camera lens, it is special with excellent optical
The advantage of low TTL is taken into account while property.
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, the Abbe of second lens
Number is v2, and the Abbe number of the 3rd lens is v3, and the refractive index of second lens is n2, the refractive index of the 3rd lens
It is n3, the refractive index of the 5th lens is n5, and thickness is d1 on the axle of first lens, thick on the axle of second lens
It is d3 to spend, and thickness is d5 on the axle of the 3rd lens, and thickness is d7, the second lens thing side on the axle of the 4th lens
The center curvature radius in face are r3, and the center curvature radius of the 3rd lens image side surface are r6, meet following relationship：0.75
<f1/f<0.85,-2.1<f2/f<-1.9,-14.5<f3/f<-10.0,0.7<f4/f<0.85,-0.6<f5/f<-0.5；11<
v2/n2<14,17.5<v3/n3<19.5,1.15<n2/n5<1.25,0.35<(d3+d5)/(d1+d7)<0.4；1.7<(r3-
r6)/(r3+r6)<2.3。
Embodiment of the present invention in terms of existing technologies, by the configuration mode of said lens, not only can be effective
Using the lens with different refracting powers and focal length and with thickness on the Abbe number in the range of particular kind of relationship, refractive index, axle,
The individual lenses of the optics overall length TTL of center curvature radius and camera optical camera lens are special to obtain outstanding optics to correct aberration
Property, moreover it is possible to take into account the advantage of low TTL.
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 the 4th lens, and the focal length f5 of the 5th lens meets following relationship：2.7<f1<2.8, -7.5<
f2<- 6.5, -50<f3<- 35,2.55<f4<2.75, -2.0<f5<-1.85.
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<1.9,1.68<n3<1.70,1.53<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<
57,22<v2<25,30<v3<33,55<v4<57,55<v5<57.
In addition, the optics overall length TTL of the camera optical camera lens is less than or equal to 3.95 millimeters.
In addition, the F-number of the camera optical camera lens is less than or equal to 2.4.
In addition, the material of second lens and the 3rd lens is glass.
In addition, the material of first lens, the 4th lens and the 5th lens is plastics.
Brief description of the drawings
Fig. 1 is camera optical camera lens of the invention structural representation in the first embodiment；
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 curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 5 is camera optical camera lens of the invention structural representation in this second embodiment；
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 curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 5.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each implementation method of the 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 implementation method, it is also possible to 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 taking the photograph for first embodiment of the invention
As optical lens 10, the camera optical camera lens 10 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.Be can be set between 5th lens L5 and image planes Si has the optical elements such as optical filter (filter) GF.
First lens L1 has positive refracting power, can effectively reduce system length, and it is convex surface, light that its thing side is outwardly
Circle St is arranged between object and the first lens L1.Second lens L2 has negative refracting power, in present embodiment, the second lens
The image side surface of L2 is concave surface.3rd lens L3 has negative refracting power, and in present embodiment, the thing side of the 3rd lens L3 is recessed
Face, image side surface is convex surface.4th lens L4 has positive refracting power, in present embodiment, the thing side of the 4th lens L4 is concave surface,
Image side surface is convex surface, its positive refracting power that can distribute the first lens L1, and then reduces system sensitivity.5th lens L5 has negative
Refracting power, 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 Abbe number of the second lens L2 is v2, and the Abbe number of the 3rd lens L3 is v3, described the
The refractive index of two lens L2 is n2, and the refractive index of the 3rd lens L3 is n3, and the refractive index of the 5th lens L5 is n5, institute
It is d1 to state thickness on the axle of the first lens L1, and thickness is d3 on the axle of the second lens L2, on the axle of the 3rd lens L3
Thickness is d5, and thickness is d7 on the axle of the 4th lens L4, and the center curvature radius of the second lens L2 things side are r3,
The center curvature radius of the 3rd lens L3 image side surfaces are r6,.The f, f1, f2, f3, f4, f5, v2, v3, n2, n3, n5,
D1, d3, d5, d7, r3 and r6 meet following relationship：0.75<f1/f<0.85,-2.1<f2/f<-1.9,-14.5<f3/f<-
10.0,0.7<f4/f<0.85,-0.6<f5/f<-0.5；11<v2/n2<14,17.5<v3/n3<19.5,1.15<n2/n5<
1.25,0.35<(d3+d5)/(d1+d7)<0.4；1.7<(r3-r6)/(r3+r6)<2.3.
Focal length, the focal length of each lens, the Abbe number of associated lens, refraction when camera optical camera lens 10 of the present invention
When thickness, center curvature radius meet above-mentioned relation formula on rate, axle, can control/adjust the refracting power size of each lens to configure,
While repairing positive aberration ensures outstanding optical characteristics, the design requirement of low TTL is met, be more suitable for the portable of pixel high
Camera head.
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：2.7<f1<2.8, -7.5<f2<- 6.5, -50<f3<- 35,2.55<f4<2.75, -2.0
<f5<- 1.85, unit：Millimeter (mm).It is so designed that, enables to the optics overall length TTL of overall camera optical camera lens 10 to try one's best
Shorten, maintain the characteristic of miniaturization.
Preferably, the optics overall length TTL of the camera optical camera lens 10 of embodiment of the present invention is less than or equal to 3.95
Millimeter.It is so designed that, is more conducive to realize the subminaturization design of camera optical camera lens 10.Preferably, in embodiment of the present invention,
The F-number of camera optical camera lens 10 is less than or equal to 2.4, is advantageously implemented the large aperture design of the camera optical camera lens 10.
In camera optical camera lens 10 of the 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 is glass, first lens
L1, the material of the 4th lens L4 and the 5th lens L5 are plastics.Wherein, the second lens L2's and the 3rd lens L3 is glass
The design of material can effectively lift the optical property of camera optical camera lens 10.
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<1.9,1.68<n3<1.70,1.53<n4<
1.55,1.52<n5<1.55.It is so designed that, is conducive to lens that appropriate matching is obtained on optical material, and then this can be made
Camera optical camera lens 10 obtains preferably 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<57,22<v2<25,30<v3<33,55<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 are to be reflected using height
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.
Additionally, 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, is used to cut down aberration, and then reduce the number that lens are used, therefore can effectively reduce the present invention and taken 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, ginseng is lower described.
Shown below the design data according to the camera optical camera lens 10 of 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 the first lens L1；
f2：The focal length of the second lens L2；
f3：The focal length of the 3rd lens L3；
f4：The focal length of the 4th lens L4；
f5：The focal length of the 5th lens L5.
【Table 2】
Wherein, R1, R2 are thing side, the image side surface of the first lens L1, and R3, R4 are thing side, the image side of the second lens L2
Face, R5, R6 are thing side, the image side surface of the 3rd lens L3, and R7, R8 are thing side, the image side surface of the 4th lens L4, and R9, R10 are
Thing side, the image side surface of the 5th lens L5, R11, R12 are thing side, the image side surface of optical filter GF.The implication of other each symbols is such as
Under.
d0：Distance on the axle of the thing side of the lens of aperture St to first L1；
d1：Thickness on the axle of the first lens L1；
d2：The image side surface of the first lens L1 is to distance on the axle of the thing side of the second lens L2；
d3：Thickness on the axle of the second lens L2；
d4：The image side surface of the second lens L2 is to distance on the axle of the thing side of the 3rd lens L3；
d5：Thickness on the axle of the 3rd lens L3；
d6：The image side surface of the 3rd lens L3 is to distance on the axle of the thing side of the 4th lens L4；
d7：Thickness on the axle of the 4th lens L4；
d8：The image side surface of the 4th lens L4 is to distance on the axle of the thing side of the 5th lens L5；
d9：Thickness on the axle of the 5th lens L5；
d10：The image side surface of the 5th lens L5 is to distance on the axle of the thing side of the 6th lens L6；
d11：Thickness on the axle of optical filter GF；
d12：The image side surface of optical filter GF is to distance on the axle of image planes；
nd1：The refractive index of the first lens L1；
nd2：The refractive index of the second lens L2；
nd3：The refractive index of the 3rd lens L3；
nd4：The refractive index of the 4th lens L4；
nd5：The refractive index of the 5th lens L5；
ndg：The refractive index of optical filter GF；
v1：The Abbe number of the first lens L1；
v2：The Abbe number of the second lens L2；
v3：The Abbe number of the 3rd lens L3；
v4：The Abbe number of the 4th lens L4；
v5：The Abbe number of the 5th lens L5；
vg：The Abbe number of optical filter 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 in the camera optical camera lens 10 of embodiment of the present invention 1 and stationary point set
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
Corresponding data is vertical range of the point of inflexion set by each lens surface to the optical axis of camera optical camera lens 10." 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 10.
【Table 4】
| Point of inflexion number | Point of inflexion position 1 | |
| R1 | 0 | |
| R2 | 1 | 0.585 |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 1 | 1.145 |
| R8 | 1 | 0.865 |
| R9 | 1 | 1.175 |
| R10 | 1 | 0.535 |
【Table 5】
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 0 | |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 0 | |
| R8 | 0 | |
| R9 | 0 | |
| R10 | 1 | 1.195 |
Fig. 2, Fig. 3 respectively illustrate wavelength be 486nm, 588nm and 656nm light by implementation method 1 camera optical
Aberration and ratio chromatism, schematic diagram on axle after camera lens 10.Fig. 4 then shows that wavelength is the light of 588nm by implementation method 1
Camera optical camera lens 10 after the curvature of field and distortion schematic diagram.
Table 6 below lists the numerical value of each conditional of correspondence in present embodiment according to above-mentioned condition formula.Obviously, this implementation
The image pickup optical system of mode meets above-mentioned conditional.
【Table 6】
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.41mm, and full filed image height is
2.856mm, the angle of visual field of diagonal is 79.36 °.
As shown in figure 5, being 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.
Shown below the design data according to the camera optical camera lens 20 of 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 the first lens L1；
f2：The focal length of the second lens L2；
f3：The focal length of the 3rd lens L3；
f4：The focal length of the 4th lens L4；
f5：The focal length of the 5th lens L5.
【Table 8】
Wherein, R1, R2 are thing side, the image side surface of the first lens L1, and R3, R4 are thing side, the image side of the second lens L2
Face, R5, R6 are thing side, the image side surface of the 3rd lens L3, and R7, R8 are thing side, the image side surface of the 4th lens L4, and R9, R10 are
Thing side, the image side surface of the 5th lens L5, R11, R12 are thing side, the image side surface of optical filter GF.The implication of other each symbols is such as
Under.
d0：Distance on the axle of the thing side of the lens of aperture St to first L1；
d1：Thickness on the axle of the first lens L1；
d2：The image side surface of the first lens L1 is to distance on the axle of the thing side of the second lens L2；
d3：Thickness on the axle of the second lens L2；
d4：The image side surface of the second lens L2 is to distance on the axle of the thing side of the 3rd lens L3；
d5：Thickness on the axle of the 3rd lens L3；
d6：The image side surface of the 3rd lens L3 is to distance on the axle of the thing side of the 4th lens L4；
d7：Thickness on the axle of the 4th lens L4；
d8：The image side surface of the 4th lens L4 is to distance on the axle of the thing side of the 5th lens L5；
d9：Thickness on the axle of the 5th lens L5；
d10：The image side surface of the 5th lens L5 is to distance on the axle of the thing side of the 6th lens L6；
d11：Thickness on the axle of optical filter GF；
d12：The image side surface of optical filter GF is to distance on the axle of image planes；
nd1：The refractive index of the first lens L1；
nd2：The refractive index of the second lens L2；
nd3：The refractive index of the 3rd lens L3；
nd4：The refractive index of the 4th lens L4；
nd5：The refractive index of the 5th lens L5；
ndg：The refractive index of optical filter GF；
v1：The Abbe number of the first lens L1；
v2：The Abbe number of the second lens L2；
v3：The Abbe number of the 3rd lens L3；
v4：The Abbe number of the 4th lens L4；
v5：The Abbe number of the 5th lens L5；
vg：The Abbe number of optical filter 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 and the stationary point of each lens 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, and 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
Position 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 "
Field 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 | |
| R1 | 0 | |
| R2 | 1 | 0.585 |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 1 | 1.155 |
| R8 | 1 | 0.865 |
| R9 | 1 | 1.175 |
| R10 | 1 | 0.535 |
【Table 11】
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 0 | |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 0 | |
| R8 | 0 | |
| R9 | 0 | |
| R10 | 1 | 1.175 |
Fig. 6, Fig. 7 respectively illustrate wavelength be 486nm, 588nm and 656nm light by implementation method 1 camera optical
Aberration and ratio chromatism, schematic diagram on axle after camera lens 20.Fig. 8 then shows that wavelength is the light of 588nm by implementation method 2
Camera optical camera lens 20 after the curvature of field and distortion schematic diagram.
Table 12 below lists the numerical value of each conditional of correspondence in present embodiment according to above-mentioned condition formula.Obviously, this reality
The image pickup 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 1.42mm, and full filed image height is
2.856mm, the angle of visual field of diagonal is 79.21 °.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiment party of the invention
Formula, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the invention and model
Enclose.
Claims (8)
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 the 3rd lens is f3, and the focal length of the 4th lens is f4, and the focal length of the 5th lens is f5, described second
The Abbe number of lens is v2, 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 refractive index of the 5th lens is n5, and thickness is d1 on the axle of first lens, and described second is saturating
Thickness is d3 on the axle of mirror, and thickness is d5 on the axle of the 3rd lens, and thickness is d7, described the on the axle of the 4th lens
The center curvature radius of two lens thing sides are r3, and the center curvature radius of the 3rd lens image side surface are r6, meet following
Relational expression：
0.75<f1/f<0.85,-2.1<f2/f<-1.9,-14.5<f3/f<-10.0,0.7<f4/f<0.85,-0.6<f5/f<-
0.5；
11<v2/n2<14,17.5<v3/n3<19.5,1.15<n2/n5<1.25,0.35<(d3+d5)/(d1+d7)<0.4；
1.7<(r3-r6)/(r3+r6)<2.3。
2. 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 the 5th lens Jiao
Meet following relationship away from f5：
2.7<f1<2.8, -7.5<f2<- 6.5, -50<f3<- 35,2.55<f4<2.75, -2.0<f5<-1.85.
3. 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 the second lens, and the described 5th
The refractive index n5 of lens meets following relationship：
1.5<n1<1.6,1.8<n2<1.9,1.68<n3<1.70,1.53<n4<1.55,1.52<n5<1.55.
4. 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 the second lens, and the described 5th
The Abbe number v5 of lens meets following relationship：
55<v1<57,22<v2<25,30<v3<33,55<v4<57,55<v5<57.
5. 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 3.95 millimeters.
6. camera optical camera lens according to claim 1, it is characterised in that the F-number of the camera optical camera lens is less than
Or equal to 2.4.
7. camera optical camera lens according to claim 1, it is characterised in that the material of second lens and the 3rd lens
It is glass.
8. camera optical camera lens according to claim 1, it is characterised in that first lens, the 4th lens and the 5th
The material of lens is plastics.
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| CN201710123004.2A CN106842507B (en) | 2017-03-03 | 2017-03-03 | Camera optical camera lens |
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| CN201710123004.2A CN106842507B (en) | 2017-03-03 | 2017-03-03 | Camera optical camera lens |
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Cited By (5)
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|---|---|---|---|---|
| CN107765403A (en) * | 2017-11-17 | 2018-03-06 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN107797245A (en) * | 2017-11-17 | 2018-03-13 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN108008521A (en) * | 2017-11-17 | 2018-05-08 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN110749979A (en) * | 2019-11-22 | 2020-02-04 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| JP6983469B1 (en) * | 2020-09-19 | 2021-12-17 | レイテック オプティカル （ジョウシュウ） カンパニーリミテッド | Imaging optical lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107765403A (en) * | 2017-11-17 | 2018-03-06 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN107797245A (en) * | 2017-11-17 | 2018-03-13 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN108008521A (en) * | 2017-11-17 | 2018-05-08 | 瑞声声学科技(深圳)有限公司 | Camera optical camera lens |
| CN108008521B (en) * | 2017-11-17 | 2020-06-09 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| CN110749979A (en) * | 2019-11-22 | 2020-02-04 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
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| JP6983469B1 (en) * | 2020-09-19 | 2021-12-17 | レイテック オプティカル （ジョウシュウ） カンパニーリミテッド | Imaging optical lens |
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