CN107976784A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
- Publication number
- CN107976784A CN107976784A CN201711151285.9A CN201711151285A CN107976784A CN 107976784 A CN107976784 A CN 107976784A CN 201711151285 A CN201711151285 A CN 201711151285A CN 107976784 A CN107976784 A CN 107976784A
- Authority
- CN
- China
- Prior art keywords
- lens
- camera
- curvature
- radius
- focal length
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 98
- 238000003384 imaging method Methods 0.000 abstract description 6
- 230000004075 alteration Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 238000012937 correction Methods 0.000 description 11
- 238000001914 filtration Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000009738 saturating Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 241000700608 Sagitta Species 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 238000012634 optical imaging 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
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to field of optical lens, discloses a kind of camera optical camera lens, which sequentially includes from thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, and the 7th lens；And meet following relationship：1≤f1/f≤1.5,1.7≤n2≤2.2,‑2≤f3/f4≤2；0.5≤(R13+R14)/(R13‑R14)≤10；1.7≤n7≤2.2.While the camera optical camera lens can obtain high imaging performance, low TTL is obtained.
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 four more
Formula lens arrangement.Also, with the development of technology and increasing for users on diversity, sensor devices elemental area not
It is disconnected to reduce, and in the case that requirement of the system to image quality is continuously improved, five chips, six chips, seven chip lens arrangements by
Gradually appear among lens design.The wide-angle that there is outstanding optical signature, ultra-thin and chromatic aberation fully to make corrections for active demand is taken the photograph
As camera lens.
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, high imaging performance can obtained
While, meet the requirement of ultrathin and wide angle.
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, the shooting light
Camera lens is learned, is sequentially included from thing side to image side：First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th
Lens, and the 7th lens；
The focal length of the camera optical camera lens is f, and the focal length of first lens is f1, and the focal length of the 3rd lens is
F3, the focal length of the 4th lens is f4, and the refractive index of second lens is n2, and the refractive index of the 7th lens is n7,
The radius of curvature of the 7th lens thing side is R13, and the radius of curvature of the 7th lens image side surface is R14, is met following
Relational expression：
1≤f1/f≤1.5,
1.7≤n2≤2.2,
-2≤f3/f4≤2；
0.5≤(R13+R14)/(R13-R14)≤10；
1.7≤n7≤2.2。
Embodiment of the present invention in terms of existing technologies, by the configuration mode of said lens, using in focal length, folding
Penetrate rate, the optics overall length of camera optical camera lens, have in the data of thickness and radius of curvature on axis particular kind of relationship lens it is common
Coordinate, camera optical camera lens is met the requirement of ultrathin and wide angle while high imaging performance is obtained.
Preferably, first lens have a positive refracting power, its thing side in it is paraxial be convex surface, its image side surface is in paraxial
Concave surface；The radius of curvature of the first lens thing side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo
It is d1 to state thickness on the axis of the first lens, and meets following relationship：-5.48≤(R1+R2)/(R1-R2)≤-1.45；0.31
≤d1≤0.94。
Preferably, second lens have a negative refracting power, its thing side in it is paraxial be convex surface, its image side surface is in paraxial
Concave surface；The focal length of the camera optical camera lens is f, and the focal length of second lens is f2, the song of the second lens thing side
Rate radius is R3, and the radius of curvature of the second lens image side surface is R4, and thickness is d3 on the axis of second lens, and is met
Following relationship：-5.66≤f2/f≤-1.62；2.55≤(R3+R4)/(R3-R4)≤9.02；0.1≤d3≤0.29.
Preferably, the 3rd lens have positive refracting power, its thing side in it is paraxial be convex surface, its image side surface is in paraxial
Convex surface；The focal length of the camera optical camera lens is f, and the focal length of the 3rd lens is f3, the song of the 3rd lens thing side
Rate radius is R5, and the radius of curvature of the 3rd lens image side surface is R6, and thickness is d5 on the axis of the 3rd lens, and is met
Following relationship：0.73≤f3/f≤2.92；0.00≤(R5+R6)/(R5-R6)≤0.2；0.12≤d5≤0.38.
Preferably, the 4th lens have a positive refracting power, its image side surface in it is paraxial be convex surface；The camera optical camera lens
Focal length be f, the focal length of the 4th lens is f4, and the radius of curvature of the 4th lens thing side is R7, and the described 4th is saturating
The radius of curvature of mirror image side is R8, and thickness is d7 on the axis of the 4th lens, and meets following relationship：1.53≤f4/f
≤12.38；0.29≤(R7+R8)/(R7-R8)≤4.59；0.23≤d7≤0.7.
Preferably, the 5th lens have positive refracting power, its thing side in it is paraxial be convex surface, its image side surface is in paraxial
Concave surface；The focal length of the camera optical camera lens is f, and the focal length of the 5th lens is f5, the song of the 5th lens thing side
Rate radius is R9, and the radius of curvature of the 5th lens image side surface is R10, and thickness is d9 on the axis of the 5th lens, and full
Sufficient following relationship：1.61≤f5/f≤4.95；-8.36≤(R9+R10)/(R9-R10)≤-2.58；0.1≤d9≤0.36.
Preferably, the 6th lens have positive refracting power, its thing side in it is paraxial be concave surface, its image side surface is in paraxial
Convex surface；The focal length of the camera optical camera lens is f, and the focal length of the 6th lens is f6, the song of the 6th lens thing side
Rate radius is R11, and the radius of curvature of the 6th lens image side surface is R12, and thickness is d11 on the axis of the 6th lens, and
Meet following relationship：1.43≤f6/f≤4.38；1.42≤(R11+R12)/(R11-R12)≤4.59；0.09≤d11≤
0.26。
Preferably, the 7th lens have a negative refracting power, its thing side in it is paraxial be concave surface, its image side surface is in paraxial
Concave surface；The focal length of the camera optical camera lens is f, and the focal length of the 7th lens is f7, thickness on the axis of the 7th lens
For d13, and meet following relationship：-1.01≤f7/f≤-0.26；0.21≤d13≤0.69.
Preferably, the optics overall length TTL of the camera optical camera lens is less than or equal to 5.02 millimeters.
Preferably, the aperture F numbers of the camera optical camera lens are less than or equal to 2.06.
The beneficial effects of the present invention are:Camera optical camera lens according to the present invention has outstanding optical characteristics, ultra-thin,
Wide-angle and chromatic aberation fully makes corrections, is particularly suitable for the cell-phone camera mirror being made of photographing elements such as CCD, CMOS of high pixel
Head assembly and WEB pick-up lens.
Brief description of the drawings
Fig. 1 is the structure diagram of the camera optical camera lens of first embodiment of the invention；
Fig. 2 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 1；
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 the structure diagram of the camera optical camera lens of second embodiment of the invention；
Fig. 6 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 5；
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；
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.
(first embodiment)
Refer to the attached drawing, the present invention provides a kind of camera optical camera lens 10.Fig. 1 show first embodiment of the invention
Camera optical camera lens 10, the camera optical camera lens 10 include seven lens.Specifically, the camera optical camera lens 10, by thing side
Sequentially include to image side：Aperture S1, the first lens L1, the second lens L2, the 3rd lens L3, the 4th lens L4, the 5th lens L5,
6th lens L6 and the 7th lens L7.It may be provided with optical filtering piece (filter) GF etc. between 7th lens L7 and image planes Si
Optical element.
First lens L1 is plastic material, and the second lens L2 is glass material, and the 3rd lens L3 is plastic material, and the 4th is saturating
Mirror L4 is plastic material, and the 5th lens L5 is plastic material, and the 6th lens L6 is plastic material, and the 7th lens L7 is glass material
Matter.
The focal length of the overall camera optical camera lens 10 of definition is f, and the focal length of the first lens L1 is f1,1≤f1/f≤
1.5, it is specified that the positive refracting power of the first lens L1.During more than lower limit setting, develop although being conducive to camera lens to ultrathin,
The positive refracting power for being the first lens L1 can be too strong, it is difficult to make corrections aberration the problems such as, while be unfavorable for camera lens to wide angle develop.Phase
When instead, more than upper limit setting, the positive refracting power of the first lens can become weak, and camera lens is difficult to develop to ultrathin.Preferably, it is full
Foot 1.05≤f1/f≤1.45.
The refractive index for defining the second lens L2 is n2,1.7≤n2≤2.2, it is specified that the refractive index of the second lens L2,
It is more advantageous to developing to ultrathin within this range, while beneficial to amendment aberration.Preferably, 1.8≤n2≤2.1 are met.
The focal length for defining the 3rd lens L3 is f3, and the focal length of the 4th lens L4 is f4, and -2≤f3/f4≤2, are advised
Determine the ratio of the focal length f4 of the focal length f3 and the 4th lens L4 of the 3rd lens L3, can effectively reduce optical imaging lens group
Susceptibility, further lifts image quality.Preferably, 0≤f3/f4≤0.5 is met.
The radius of curvature for defining the 7th lens L7 things side is R13, the curvature half of the 7th lens L7 image side surfaces
Footpath is R14, and 0.5≤(R13+R14)/(R13-R14)≤10 are, it is specified that the shape of the 7th lens L7, when outside scope, with to
Ultra-thin wide angle development, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, 1≤(R13+R14)/(R13-R14) is met
≤5。
The refractive index of the 7th lens L7 is n7, and 1.7≤n7≤2.2 are, it is specified that the refractive index of the 7th lens L7, favorably
In realizing ultrathin.Preferably, 1.8≤n7≤2.1 are met.
When 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, shooting light
Learn the optics overall length of camera lens, when thickness and radius of curvature meet above-mentioned relation formula on axis, can have videography optical lens first 10
High-performance, and meet the design requirement of low TTL.
In present embodiment, the thing side of the first lens L1 is convex surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is positive refracting power.
The radius of curvature R 1 of first lens L1 things side, the radius of curvature R 2 of the first lens L1 image side surfaces, meets following pass
It is formula：- 5.48≤(R1+R2)/(R1-R2)≤- 1.45, rationally control the shape of the first lens so that the first lens can have
Effect ground correction system spherical aberration；Preferably, -3.42≤(R1+R2)/(R1-R2)≤- 1.81.
Thickness is d1 on the axis of first lens L1, meets following relationship：0.31≤d1≤0.94, is advantageously implemented ultra-thin
Change.Preferably, 0.49≤d1≤0.75.
In present embodiment, the thing side of the second lens L2 is convex surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is negative refracting power.
The focal length of overall camera optical camera lens 10 is f, and the second lens L2 focal length f2, meet following relationship：-5.66≤
F2/f≤- 1.62, by by the control of the negative power of the second lens L2 in zone of reasonableness, with rationally and effectively balance by with
The negative spherical aberration and the curvature of field amount of system that first lens L1 of positive light coke is produced.Preferably, -3.54≤f2/f≤- 2.02.
The radius of curvature R 3 of second lens L2 things side, the radius of curvature R 4 of the second lens L2 image side surfaces, meets following pass
It is formula：2.55≤(R3+R4)/(R3-R4)≤9.02 are, it is specified that the shape of the second lens L2, when outside scope, with camera lens to
Ultra-thin wide angle development, it is difficult to the axis that makes corrections colouring Aberration Problem.Preferably, 4.07≤(R3+R4)/(R3-R4)≤7.21.
Thickness is d3 on the axis of second lens L2, meets following relationship：0.1≤d3≤0.29, is advantageously implemented ultra-thin
Change.Preferably, 0.16≤d3≤0.24.
In present embodiment, the thing side of the 3rd lens L3 is convex surface in paraxial place, and image side surface is convex surface in paraxial place, tool
There is positive refracting power.
The focal length of overall camera optical camera lens 10 is f, the 3rd lens L3 focal length f3, and meets following relationship：0.73
≤ f3/f≤2.92, are conducive to the ability that system obtains the good balance curvature of field, effectively to lift image quality.Preferably, 1.16
≤f3/f≤2.33。
The radius of curvature R 5 of 3rd lens L3 things side, the radius of curvature R 6 of the 3rd lens L3 image side surfaces, meets following pass
It is formula：0.00≤(R5+R6)/(R5-R6)≤0.2, can effectively control the shape of the 3rd lens L3, be conducive to the 3rd lens L3 into
Type, and avoid causing to be molded the generation of bad and stress because the surface curvature of the 3rd lens L3 is excessive.Preferably, 0.01≤(R5+
R6)/(R5-R6)≤0.16。
Thickness is d5 on the axis of 3rd lens L3, meets following relationship：0.12≤d5≤0.38, is advantageously implemented ultra-thin
Change.Preferably, 0.19≤d5≤0.30.
In present embodiment, the image side surface of the 4th lens L4 is convex surface in paraxial place, has positive refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 4th lens L4 focal length f4, meet following relationship：1.53≤f4/
F≤12.38, pass through the reasonable distribution of focal power so that system has preferable image quality and relatively low sensitiveness.It is preferred that
, 2.45≤f4/f≤9.91.
The radius of curvature R 7 of 4th lens L4 things side, the radius of curvature R 8 of the 4th lens L4 image side surfaces, meets following pass
It is formula：0.29≤(R7+R8)/(R7-R8)≤4.59, it is specified that be the 4th lens L4 shape, when outside scope, with ultra-thin
The development of wide angle, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, 0.46≤(R7+R8)/(R7-R8)≤3.67.
Thickness is d7 on the axis of 4th lens L4, meets following relationship：0.23≤d7≤0.7, is advantageously implemented ultra-thin
Change.Preferably, 0.36≤d7≤0.56.
In present embodiment, the thing side of the 5th lens L5 is convex surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is positive refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 5th lens L5 focal length f5, meet following relationship：1.61≤f5/
F≤4.95, can effectively make it that the light angle of pick-up lens is gentle to limiting for the 5th lens L5, reduce tolerance sensitivities.
Preferably, 2.58≤f5/f≤3.96.
The radius of curvature R 9 of 5th lens L5 things side, the radius of curvature R 10 of the 5th lens L5 image side surfaces, meets following pass
It is formula：- 8.36≤(R9+R10)/(R9-R10)≤- 2.58, it is specified that be the 5th lens L5 shape, when outside condition and range,
As ultra-thin wide angle develops, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, -5.23≤(R9+R10)/(R9-
R10)≤-3.23。
Thickness is d9 on the axis of 5th lens L5, meets following relationship：0.1≤d9≤0.36, is advantageously implemented ultra-thin
Change.Preferably, 0.16≤d9≤0.29.
In present embodiment, the thing side of the 6th lens L6 is concave surface in paraxial place, and image side surface is convex surface in paraxial place, tool
There is positive refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 6th lens L6 focal length f6, meet following relationship：1.43≤f6/
F≤4.38, pass through the reasonable distribution of focal power so that system has preferable image quality and relatively low sensitiveness.Preferably,
2.29≤f6/f≤3.5。
The radius of curvature R 11 of 6th lens L6 things side, the radius of curvature R 12 of the 6th lens L6 image side surfaces, meets following
Relational expression：1.42≤(R11+R12)/(R11-R12)≤4.59, it is specified that be the 6th lens L6 shape, outside condition and range
When, as ultra-thin wide angle develops, it is difficult to the problems such as drawing the aberration at angle outside the axis that makes corrections.Preferably, 2.28≤(R11+R12)/
(R11-R12)≤3.67。
Thickness is d11 on the axis of 6th lens L6, meets following relationship：0.09≤d11≤0.26, is advantageously implemented super
Thinning.Preferably, 0.14≤d11≤0.2.
In present embodiment, the thing side of the 7th lens L7 is concave surface in paraxial place, and image side surface is concave surface in paraxial place, tool
There is negative refracting power.
The focal length of overall camera optical camera lens 10 is f, and the 7th lens L7 focal length f7, meet following relationship：-1.01≤
F7/f≤- 0.26, passes through the reasonable distribution of focal power so that system has preferable image quality and relatively low sensitiveness.It is excellent
Choosing, -0.63≤f7/f≤- 0.33.
Thickness is d13 on the axis of 7th lens L7, meets following relationship：0.21≤d13≤0.69, is advantageously implemented super
Thinning.Preferably, 0.33≤d13≤0.55.
In present embodiment, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 5.02 millimeters, is advantageously implemented
Ultrathin.Preferably, the optics overall length TTL of camera optical camera lens 10 is less than or equal to 4.79.
In present embodiment, the aperture F numbers of camera optical camera lens 10 are less than or equal to 2.06.Large aperture, imaging performance are good.
Preferably, the aperture F numbers of camera optical camera lens 10 are less than or equal to 2.02.
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 miniaturization
Characteristic.
The camera optical camera lens 10 of the present invention will be illustrated with example below.The described following institute of symbol in each example
Show.The unit of distance, radius and center thickness is mm.
TTL:Optical length (distance on the thing side of the 1st lens L1 to the axis of imaging surface)；
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.
Shown below according to first embodiment of the invention camera optical camera lens 10 design data, focal length, distance,
The unit of radius and center thickness is mm.
Table 1, table 2 show the design data of the camera optical camera lens 10 of first embodiment of the invention.
【Table 1】
Wherein, the implication of each symbol is as follows.
S1:Aperture；
R:Radius of curvature centered on when the radius of curvature of optical surface, lens；
R1:The radius of curvature of the thing side of first lens L1；
R2:The radius of curvature of the image side surface of first lens L1；
R3:The radius of curvature of the thing side of second lens L2；
R4:The radius of curvature of the image side surface of second lens L2；
R5:The radius of curvature of the thing side of 3rd lens L3；
R6:The radius of curvature of the image side surface of 3rd lens L3；
R7:The radius of curvature of the thing side of 4th lens L4；
R8:The radius of curvature of the image side surface of 4th lens L4；
R9:The radius of curvature of the thing side of 5th lens L5；
R10:The radius of curvature of the image side surface of 5th lens L5；
R11:The radius of curvature of the thing side of 6th lens L6；
R12:The radius of curvature of the image side surface of 6th lens L6；
R13:The radius of curvature of the thing side of 7th lens L7；
R14:The radius of curvature of the image side surface of 7th lens L7；
R15:The radius of curvature of the thing side of optical filtering piece GF；
R16:The radius of curvature of the image side surface of optical filtering piece GF；
d:Distance on axis on the axis of lens between thickness and lens；
d0：Aperture S1 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 the 6th lens L6；
d11：Thickness on the axis of 6th lens L6；
d12：The image side surface of 6th lens L6 is to distance on the axis of the thing side of the 7th lens L7；
d13：Thickness on the axis of 7th lens L7；
d14：The image side surface of 7th lens L7 is to distance on the axis of the thing side of optical filtering piece GF；
d15：Thickness on the axis of optical filtering piece GF；
d16：The image side surface of optical filtering piece GF is to distance on the axis of image planes；
nd:The refractive index of d lines；
nd1:The refractive index of the d lines of first lens L1；
nd2:The refractive index of the d lines of second lens L2；
nd3:The refractive index of the d lines of 3rd lens L3；
nd4:The refractive index of the d lines of 4th lens L4；
nd5:The refractive index of the d lines of 5th lens L5；
nd6：The refractive index of the d lines of 6th lens L6；
nd7：The refractive index of the d lines of 7th lens L7；
ndg:The refractive index of the d lines of optical filtering piece GF；
vd:Abbe number；
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；
v6：The Abbe number of 6th lens L6；
v7：The Abbe number of 7th lens L7；
vg：The Abbe number of optical filtering piece GF.
Table 2 shows the aspherical surface data of each lens in the camera optical camera lens 10 of first embodiment of the invention.
【Table 2】
Wherein, k is circular cone coefficient, and A4, A6, A8, A10, A12, A14, A16 are asphericity coefficients.
IH:Image height
Y=(x2/R)/[1+{1-(k+1)(x2/R2)}1/2]+A4x4+A6x6+A8x8+A10x10+A12x12+A14x14+
A16x16 (1)
For convenience, each lens face is aspherical using aspherical shown in above-mentioned formula (1).But this hair
The bright aspherical polynomial form for being not limited to the formula (1) expression.
Table 3, table 4 show the point of inflexion of each lens and stationary point in the camera optical camera lens 10 of first embodiment of the invention
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, and R11, R12 are represented respectively
The thing side of 6th lens L6 and image side surface, R13, R14 represent thing side and the image side surface of the 7th lens L7 respectively." the point of inflexion
Vertical range of the point of inflexion of position " the field corresponding data set by each lens surface to 10 optical axis of camera optical camera lens." stay
Vertical range of point position " stationary point of the field corresponding data set by each lens surface to 10 optical axis of camera optical camera lens.
【Table 3】
【Table 4】
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 0 | |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 1 | 0.605 |
| R6 | 0 | |
| R7 | 1 | 0.985 |
| R8 | 0 | |
| R9 | 1 | 0.615 |
| R10 | 1 | 0.405 |
| R11 | 0 | |
| R12 | 0 | |
| R13 | 0 | |
| R14 | 1 | 0.855 |
Fig. 2, Fig. 3 respectively illustrate shooting light of light of the wavelength for 486nm, 588nm and 656nm Jing Guo first embodiment
Learn axial aberration and ratio chromatism, schematic diagram after camera lens 10.Fig. 4 then shows that the light that wavelength is 588nm is real by first
The curvature of field after the camera optical camera lens 10 of mode and distortion schematic diagram are applied, the curvature of field S of Fig. 4 is the curvature of field in sagitta of arc direction, and T is meridian
The curvature of field in direction.
The table 9 occurred afterwards shows in each example 1,2 in various numerical value and conditional the value corresponding to defined parameter.
As shown in table 9, first embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.965mm, and full filed image height is
3.261mm, the field angle of diagonal are 78.55 °, wide-angle, ultra-thin, and on its axis, the outer chromatic aberation of axis fully makes corrections, and have
Outstanding optical signature.
(second embodiment)
Second embodiment is essentially identical with first embodiment, and symbol implication is identical with first embodiment, below only
List difference.
Table 5, table 6 show the design data of the camera optical camera lens 20 of second embodiment of the invention.
【Table 5】
Table 6 shows the aspherical surface data of each lens in the camera optical camera lens 20 of second embodiment of the invention.
【Table 6】
Table 7, table 8 show the point of inflexion of each lens and stationary point in the camera optical camera lens 20 of second embodiment of the invention
Design data.
【Table 7】
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
| R1 | 0 | |||
| R2 | 1 | 0.885 | ||
| R3 | 1 | 0.415 | ||
| R4 | 1 | 0.805 | ||
| R5 | 1 | 0.445 | ||
| R6 | 0 | |||
| R7 | 0 | |||
| R8 | 0 | |||
| R9 | 2 | 0.355 | 1.195 | |
| R10 | 1 | 0.245 | ||
| R11 | 0 | |||
| R12 | 3 | 0.415 | 0.785 | 1.675 |
| R13 | 1 | 1.415 | ||
| R14 | 2 | 0.375 | 2.095 |
【Table 8】
Fig. 6, Fig. 7 respectively illustrate shooting light of light of the wavelength for 486nm, 588nm and 656nm Jing Guo second embodiment
Learn axial aberration and ratio chromatism, schematic diagram after camera lens 20.Fig. 8 then shows that the light that wavelength is 588nm is real by second
Apply the curvature of field after the camera optical camera lens 20 of mode and distortion schematic diagram.
As shown in table 9, second embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.959mm, and full filed image height is
3.261mm, the field angle of diagonal are 78.91 °, wide-angle, ultra-thin, and on its axis, the outer chromatic aberation of axis fully makes corrections, and have
Outstanding optical signature.
【Table 9】
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, sequentially includes from thing side to image side：First
Lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, and the 7th lens；
The focal length of the camera optical camera lens is f, and the focal length of first lens is f1, and the focal length of the 3rd lens is f3,
The focal length of 4th lens is f4, and the refractive index of second lens is n2, and the refractive index of the 7th lens is n7, described
The radius of curvature of 7th lens thing side is R13, and the radius of curvature of the 7th lens image side surface is R14, meets following relationship
Formula：
1≤f1/f≤1.5,
1.7≤n2≤2.2,
-2≤f3/f4≤2；
0.5≤(R13+R14)/(R13-R14)≤10；
1.7≤n7≤2.2。
2. camera optical camera lens according to claim 1, it is characterised in that first lens have positive refracting power, its
Thing side in it is paraxial be convex surface, its image side surface in it is paraxial be concave surface；
The radius of curvature of the first lens thing side is R1, and the radius of curvature of the first lens image side surface is R2, Yi Jisuo
It is d1 to state thickness on the axis of the first lens, and meets following relationship：
-5.48≤(R1+R2)/(R1-R2)≤-1.45；
0.31≤d1≤0.94。
3. camera optical camera lens according to claim 1, it is characterised in that second lens have negative refracting power, its
Thing side in it is paraxial be convex surface, its image side surface in it is paraxial be concave surface；
The focal length of the camera optical camera lens is f, and the focal length of second lens is f2, the curvature of the second lens thing side
Radius is R3, and the radius of curvature of the second lens image side surface is R4, and thickness is d3 on the axis of second lens, and under meeting
Row relational expression：
-5.66≤f2/f≤-1.62；
2.55≤(R3+R4)/(R3-R4)≤9.02；
0.1≤d3≤0.29。
4. camera optical camera lens according to claim 1, it is characterised in that the 3rd lens have positive refracting power, its
Thing side in it is paraxial be convex surface, its image side surface in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 3rd lens is f3, the curvature of the 3rd lens thing side
Radius is R5, and the radius of curvature of the 3rd lens image side surface is R6, and thickness is d5 on the axis of the 3rd lens, and under satisfaction
Row relational expression：
0.73≤f3/f≤2.92；
0.00≤(R5+R6)/(R5-R6)≤0.2；
0.12≤d5≤0.38。
5. camera optical camera lens according to claim 1, it is characterised in that the 4th lens have positive refracting power, its
Image side surface in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 4th lens is f4, the curvature of the 4th lens thing side
Radius is R7, and the radius of curvature of the 4th lens image side surface is R8, and thickness is d7 on the axis of the 4th lens, and under satisfaction
Row relational expression：
1.53≤f4/f≤12.38；
0.29≤(R7+R8)/(R7-R8)≤4.59；
0.23≤d7≤0.7。
6. camera optical camera lens according to claim 1, it is characterised in that the 5th lens have positive refracting power, its
Thing side in it is paraxial be convex surface, its image side surface in it is paraxial be concave surface；
The focal length of the camera optical camera lens is f, and the focal length of the 5th lens is f5, the curvature of the 5th lens thing side
Radius is R9, and the radius of curvature of the 5th lens image side surface is R10, and thickness is d9 on the axis of the 5th lens, and is met
Following relationship：
1.61≤f5/f≤4.95；
-8.36≤(R9+R10)/(R9-R10)≤-2.58；
0.1≤d9≤0.36。
7. camera optical camera lens according to claim 1, it is characterised in that the 6th lens have positive refracting power, its
Thing side in it is paraxial be concave surface, its image side surface in it is paraxial be convex surface；
The focal length of the camera optical camera lens is f, and the focal length of the 6th lens is f6, the curvature of the 6th lens thing side
Radius is R11, and the radius of curvature of the 6th lens image side surface is R12, and thickness is d11 on the axis of the 6th lens, and full
Sufficient following relationship：
1.43≤f6/f≤4.38；
1.42≤(R11+R12)/(R11-R12)≤4.59；
0.09≤d11≤0.26。
8. camera optical camera lens according to claim 1, it is characterised in that the 7th lens have negative refracting power, its
Thing side in it is paraxial be concave surface, its image side surface in it is paraxial be concave surface；
The focal length of the camera optical camera lens is f, and the focal length of the 7th lens is f7, and thickness is on the axis of the 7th lens
D13, and meet following relationship：
-1.01≤f7/f≤-0.26；
0.21≤d13≤0.69。
9. 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 5.02 millimeters.
10. 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 2.06.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151285.9A CN107976784B (en) | 2017-11-18 | 2017-11-18 | Image pickup optical lens |
| JP2018000007A JP6362202B1 (en) | 2017-11-18 | 2018-01-02 | Imaging optical lens |
| US15/860,258 US10514527B2 (en) | 2017-11-18 | 2018-01-02 | Camera optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711151285.9A CN107976784B (en) | 2017-11-18 | 2017-11-18 | Image pickup optical lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107976784A true CN107976784A (en) | 2018-05-01 |
| CN107976784B CN107976784B (en) | 2020-06-16 |
Family
ID=62010519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711151285.9A Expired - Fee Related CN107976784B (en) | 2017-11-18 | 2017-11-18 | Image pickup optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107976784B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535848A (en) * | 2018-07-05 | 2018-09-14 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| CN109856771A (en) * | 2018-12-27 | 2019-06-07 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| CN111158117A (en) * | 2020-02-25 | 2020-05-15 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| WO2020140521A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声通讯科技(常州)有限公司 | Photographic optical lens |
| CN114047595A (en) * | 2021-09-30 | 2022-02-15 | 华为技术有限公司 | Lens assembly, camera module and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096175A (en) * | 2009-11-30 | 2011-06-15 | 株式会社尼康 | Lens system and optical apparatus |
| CN203965708U (en) * | 2013-09-11 | 2014-11-26 | 康达智株式会社 | Pick-up lens |
| JP2015225102A (en) * | 2014-05-26 | 2015-12-14 | コニカミノルタ株式会社 | Image capturing lens, image capturing device, and portable terminal |
| US20170059832A1 (en) * | 2015-08-31 | 2017-03-02 | Panasonic Intellectual Property Management Co., Ltd. | Single focal length lens system, interchangeable lens apparatus, and camera system |
| CN106950681A (en) * | 2017-05-22 | 2017-07-14 | 浙江舜宇光学有限公司 | Pick-up lens |
-
2017
- 2017-11-18 CN CN201711151285.9A patent/CN107976784B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096175A (en) * | 2009-11-30 | 2011-06-15 | 株式会社尼康 | Lens system and optical apparatus |
| CN203965708U (en) * | 2013-09-11 | 2014-11-26 | 康达智株式会社 | Pick-up lens |
| JP2015225102A (en) * | 2014-05-26 | 2015-12-14 | コニカミノルタ株式会社 | Image capturing lens, image capturing device, and portable terminal |
| US20170059832A1 (en) * | 2015-08-31 | 2017-03-02 | Panasonic Intellectual Property Management Co., Ltd. | Single focal length lens system, interchangeable lens apparatus, and camera system |
| CN106950681A (en) * | 2017-05-22 | 2017-07-14 | 浙江舜宇光学有限公司 | Pick-up lens |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108535848A (en) * | 2018-07-05 | 2018-09-14 | 浙江舜宇光学有限公司 | Optical imagery eyeglass group |
| WO2020007069A1 (en) * | 2018-07-05 | 2020-01-09 | 浙江舜宇光学有限公司 | Optical imaging lens set |
| US11966014B2 (en) | 2018-07-05 | 2024-04-23 | Zhejiang Sunny Optical Co., Ltd | Optical imaging lens group |
| CN109856771A (en) * | 2018-12-27 | 2019-06-07 | 瑞声科技(新加坡)有限公司 | Camera optical camera lens |
| WO2020140521A1 (en) * | 2018-12-31 | 2020-07-09 | 瑞声通讯科技(常州)有限公司 | Photographic optical lens |
| CN111158117A (en) * | 2020-02-25 | 2020-05-15 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| WO2021168910A1 (en) * | 2020-02-25 | 2021-09-02 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| CN111158117B (en) * | 2020-02-25 | 2022-03-01 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
| CN114047595A (en) * | 2021-09-30 | 2022-02-15 | 华为技术有限公司 | Lens assembly, camera module and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107976784B (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107966789A (en) | Camera optical camera lens | |
| CN107797254A (en) | Camera optical camera lens | |
| CN107991761A (en) | Camera optical camera lens | |
| CN107976784A (en) | Camera optical camera lens | |
| CN107918195A (en) | Camera optical camera lens | |
| CN108051902A (en) | Camera optical camera lens | |
| CN107976775A (en) | Camera optical camera lens | |
| CN107861222A (en) | Camera optical camera lens | |
| CN107807436A (en) | Camera optical camera lens | |
| CN107942493A (en) | Camera optical camera lens | |
| CN108089281A (en) | Camera optical camera lens | |
| CN107991757A (en) | Camera optical camera lens | |
| CN107942487A (en) | Camera optical camera lens | |
| CN107918190A (en) | Camera optical camera lens | |
| CN108089283A (en) | Camera optical camera lens | |
| CN107976776A (en) | Camera optical camera lens | |
| CN107976778A (en) | Camera optical camera lens | |
| CN107976782A (en) | Camera optical camera lens | |
| CN108132517A (en) | Camera optical camera lens | |
| CN108254861A (en) | Camera optical camera lens | |
| CN107942491A (en) | Camera optical camera lens | |
| CN107907971A (en) | Camera optical camera lens | |
| CN107942488A (en) | Camera optical camera lens | |
| CN107991755A (en) | Camera optical camera lens | |
| CN107918197A (en) | Camera optical camera lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200417 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Applicant after: Raytheon solutions Pte. Ltd. Address before: No. 8, 1st floor, Tongju Science and Technology Building, 10 65th Street, Hongmao Bridge, Singapore Applicant before: AAC TECHNOLOGIES Pte. Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |