CN110412737A - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN110412737A CN110412737A CN201910581797.1A CN201910581797A CN110412737A CN 110412737 A CN110412737 A CN 110412737A CN 201910581797 A CN201910581797 A CN 201910581797A CN 110412737 A CN110412737 A CN 110412737A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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- 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
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Abstract
The present invention relates to field of optical lens, disclose a kind of camera optical camera lens, the camera optical camera lens sequentially includes from object side to image side: the first lens with positive refracting power, the second lens with negative refracting power, the third lens with negative refracting power, the 4th lens with negative refracting power, the 5th lens with positive refracting power, and the 6th lens with negative refracting power;The focal length of camera optical camera lens is f, the focal length of the third lens is f3, the Abbe number of first lens is v1, the Abbe number of second lens is v2, the radius of curvature of 4th lens object side is R7, and the 4th lens image side surface radius of curvature be R8, meet following relationship: -15.00≤f3/f≤- 12.50;3.00≤v1/v2≤4.50;8.00≤(R7+R8)/(R7-R8)≤20.00.While camera optical camera lens provided by the invention has favorable optical performance, meet the design requirement of large aperture, wide angle, ultrathin.
Description
[technical field]
The present invention relates to field of optical lens, in particular to a kind of to be suitable for the hand-held terminals such as smart phone, digital camera
The camera optical camera lens of the photographic devices such as equipment and monitor, PC camera lens.
[background technique]
In recent years, with the rise of smart 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 light and short external form is development trend, therefore, the miniaturization pick-up lens for having good image quality becomes at present
Mainstream in the market.
To obtain preferable image quality, the camera lens that tradition is equipped on mobile phone camera mostly uses three-chip type, four-piece type even
It is five chip lens arrangements.However, with the development of technology and users on diversity increases, in the pixel of sensor devices
In the case that area constantly reduces, and requirement of the system to image quality is continuously improved, six chip lens arrangements are occurred gradually over
In lens design, although six common chip lens have had preferable optical property, its focal power, lens spacing
Still there is certain irrationality with lens shape setting, cause lens arrangement while with favorable optical performance, nothing
Method meet large aperture, ultrathin, wide angle design requirement.
[summary of the invention]
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of camera optical camera lenses, with favorable optical performance
While, meet large aperture, ultrathin, wide angle design requirement.
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, from object side
Sequentially include to image side: the first lens with positive refracting power, the second lens with negative refracting power, the with negative refracting power
Three lens have the 4th lens of negative refracting power, the 5th lens with positive refracting power, and the with negative refracting power the 6th saturating
Mirror;
The focal length of the camera optical camera lens is f, and the focal length of the third lens is f3, the Abbe number of first lens
For v1, the Abbe number of second lens is v2, the radius of curvature of the 4th lens object side be R7 and the described 4th thoroughly
The radius of curvature of mirror image side is R8, meets following relationship:
-15.00≤f3/f≤-12.50;
3.00≤v1/v2≤4.50;
8.00≤(R7+R8)/(R7-R8)≤20.00。
Preferably, on the axis of first lens with a thickness of d1, with a thickness of d3 on the axis of second lens, meet following
Relational expression:
2.50≤d1/d3≤5.00。
Preferably, the radius of curvature of the second lens object side is R3, the radius of curvature of the second lens image side surface
For R4, meet following relationship:
6.50≤(R3+R4)/(R3-R4)≤10.00。
Preferably, the focal length of first lens is f1, and the radius of curvature of the first lens object side is R1, described the
The radius of curvature of one lens image side surface is R2, with a thickness of d1, the optics of the camera optical camera lens on the axis of first lens
Overall length is TTL, meets following relationship:
0.48≤f1/f≤1.56;
-4.77≤(R1+R2)/(R1-R2)≤-1.16;
0.08≤d1/TTL≤0.30。
Preferably, the focal length of second lens is f2, with a thickness of d3, the camera optical on the axis of second lens
The optics overall length of camera lens is TTL, and meets following relationship:
-18.59≤f2/f≤-3.05;
0.02≤d3/TTL≤0.09。
Preferably, the radius of curvature of the third lens object side is R5, the radius of curvature of the third lens image side surface
For R6, with a thickness of d5 on the axis of the third lens, the optics overall length of the camera optical camera lens is TTL, meets following relationship
Formula:
-2.16≤(R5+R6)/(R5-R6)≤4.76;
0.03≤d5/TTL≤0.10。
Preferably, the focal length of the 4th lens is f4, with a thickness of d7, the camera optical on the axis of the 4th lens
The optics overall length of camera lens is TTL, meets following relationship:
-45.13≤f4/f≤-4.43;
0.03≤d7/TTL≤0.12。
Preferably, the focal length of the 5th lens is f5, and the radius of curvature of the 5th lens object side is R9, described the
The radius of curvature of five lens image side surfaces is R10, with a thickness of d9, the optics of the camera optical camera lens on the axis of the 5th lens
Overall length is TTL, meets following relationship:
0.33≤f5/f≤1.14;
0.20≤(R9+R10)/(R9-R10)≤1.01;
0.07≤d9/TTL≤0.26。
Preferably, the focal length of the 6th lens is f6, and the radius of curvature of the 6th lens object side is R11, described
The radius of curvature of 6th lens image side surface is R12, with a thickness of d11 on the axis of the 6th lens, the camera optical camera lens
Optics overall length is TTL, and meets following relationship:
-1.14≤f6/f≤-0.34;
0.11≤(R11+R12)/(R11-R12)≤0.76;
0.04≤d11/TTL≤0.15。
Preferably, the optics overall length of the camera optical camera lens is TTL, and the image height of the camera optical camera lens is IH, full
Sufficient following relationship:
TTL/IH≤1.45。
The beneficial effects of the present invention are: camera optical camera lens according to the present invention has favorable optical performance, and has
Large aperture, wide angle, the characteristic of ultrathin, are particularly suitable for the mobile phone being made of photographing elements such as CCD, CMOS of high pixel
Cameral lens assembly and WEB pick-up lens.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of the camera optical camera lens of embodiment one;
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 structural schematic diagram of the camera optical camera lens of embodiment two;
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;
Fig. 9 is the structural schematic diagram of the camera optical camera lens of embodiment three;
Figure 10 is the axial aberration schematic diagram of camera optical camera lens shown in Fig. 9;
Figure 11 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 9;
Figure 12 is the curvature of field and distortion schematic diagram of camera optical camera lens shown in Fig. 9;
Figure 13 is the structural schematic diagram of the camera optical camera lens of embodiment four;
Figure 14 is the axial aberration schematic diagram of camera optical camera lens shown in Figure 13;
Figure 15 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Figure 13;
Figure 16 is the curvature of field of camera optical camera lens shown in Figure 13 and distortion schematic diagram.
[specific embodiment]
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached 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 embodiment of the present invention,
Many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details and base
In the various changes and modifications of following embodiment, claimed technical solution of the invention also may be implemented.
(first embodiment)
Attached drawing is please referred to, the present invention provides a kind of camera optical camera lenses 10.Fig. 1 show first embodiment of the invention
Camera optical camera lens 10, the camera optical camera lens 10 include six lens.Specifically, the camera optical camera lens 10, by object
Side to image side sequentially includes: aperture S1, the first lens L1 with positive refracting power, the second lens L2 with negative refracting power, tool
Have the third lens L3 of negative refracting power, the 4th lens L4 with negative refracting power, the 5th lens L5 with positive refracting power and
The 6th lens L6 with negative refracting power.It may be provided with optical filtering piece (filter) GF etc. between 6th lens L6 and image planes Si
Optical element.
In the present embodiment, the focal length for defining the camera optical camera lens 10 is f, and the focal length of the third lens L3 is
F3 meets following relationship: -15.00≤f3/f≤- 12.50;Define the third lens L3 focal length and the shooting light
The ratio for learning the focal length of camera lens 10 helps to improve Performance of Optical System within the scope of conditional.
The Abbe number of the first lens L1 is v1, and the Abbe number of the second lens L2 is v2, meets following relationship:
3.00≤v1/v2≤4.50;The ratio for providing the Abbe number of the first lens L1 and the Abbe number of the second lens L2, has
Help chromatic aberration correction, improves system imaging performance.
The radius of curvature of the 4th lens L4 object side is the radius of curvature of R7 and the 4th lens L4 image side surface
For R8, meet following relationship: 8.00≤(R7+R8)/(R7-R8)≤20.00;The shape of the 4th lens L4 is defined,
In conditional prescribed limit, the deviation degree that light passes through eyeglass can be mitigated, aberration is effectively reduced, helps to improve optics
Performance.
Define the ratio of thickness and thickness on the axis of the second lens L2 on the axis of the first lens L1 meet it is following
Relational expression: 2.50≤d1/d3≤5.00 facilitate the processing of eyeglass and the assembling of camera lens within the scope of conditional.
The radius of curvature for defining the described second saturating L2 mirror object side is the curvature of R3 and the second lens L2 image side surface
Radius is R4, meet following relationship: 6.50≤(R3+R4)/(R3-R4)≤10.00, it is specified that the shape of the second lens L2,
In conditional prescribed limit, system spherical aberration can be effectively reduced.
The focal length for defining the first lens L1 is f1, meet following relationship: 0.48≤f1/f≤1.56 are, it is specified that the
The positive refracting power of one lens L1 and the ratio of whole focal length.When within the limits prescribed, the first lens have positive flexion appropriate
Power is conducive to reduce system aberration, while being conducive to camera lens and developing to ultrathin, wide angle.
The radius of curvature of first lens L1 object side is R1, and the radius of curvature of the first lens L1 image side surface is
R2 meets following relationship: -4.77≤(R1+R2)/(R1-R2)≤- 1.16;The rationally shape of the first lens L1 of control, so that
First lens L1 can effectively correct system spherical aberration.
The optics overall length of the optical camera lens 10 is TTL, with a thickness of d1 on the axis of the first lens L1, under satisfaction
Column relational expression: 0.08≤d1/TTL≤0.30 is advantageously implemented ultrathin in condition and range.
The focal length for defining the second lens L2 is f2, and meet following relationship: -18.59≤f2/f≤- 3.05 passes through
By the negative power control of the second lens L2 in zone of reasonableness, be conducive to the aberration for correcting optical system.
With a thickness of d3 on the axis of the second lens L2, meet following relationship: 0.02≤d3/TTL≤0.09, in condition
In range, it is advantageously implemented ultrathin.
The radius of curvature for defining the third lens L3 object side is the curvature of R5 and the third lens L3 image side surface
Radius is R6, meet following relationship: -2.16≤(R5+R6)/(R5-R6)≤4.76, it is specified that the shape of the third lens L3,
When in range, be conducive to the third lens L3 molding, and avoid leading to molding not because the surface curvature of the third lens L3 is excessive
It is good to be generated with stress.
With a thickness of d5 on the axis of the third lens L3, meet following relationship: 0.03≤d5/TTL≤0.10, in condition
In range, it is advantageously implemented ultrathin.
The focal length for defining the 4th lens is f4, meets following relationship: -45.13≤f4/f≤- 4.43, in condition
Within the scope of formula, facilitated by the reasonable distribution of focal power so that system has preferable image quality and lower sensibility
Improve Performance of Optical System.
With a thickness of d7 on the axis of the 4th lens L4, meet following relationship: 0.03≤d7/TTL≤0.12, in condition
In range, it is advantageously implemented ultrathin.
The focal length for defining the 5th lens L5 is f5, meets following relationship: 0.33≤f5/f≤1.14.Thoroughly to the 5th
The restriction of mirror L5 can effectively make the light angle of pick-up lens gentle, reduce tolerance sensitivities.
The radius of curvature of 5th lens object side is R9 and the radius of curvature of the 5th lens image side surface is
R10, and meet following relationship: 0.20≤(R9+R10)/(R9-R10)≤1.01.Define the shape of the 5th lens L5, In
When in range, with ultrathin, the development of wide angle, be conducive to the problems such as drawing the aberration at angle outside correction axis.
With a thickness of d9 on the axis of the 5th lens L5, meet following relationship: 0.07≤d9/TTL≤0.26, in condition
In range, it is advantageously implemented ultrathin.
The focal length for defining the 6th lens L6 is f6, meets following relationship: -1.14≤f6/f≤- 0.34, in condition
Within the scope of formula, by the reasonable distribution of focal power, so that system has preferable image quality and lower sensibility.
The radius of curvature of the 6th lens L6 object side is R11 and the curvature half of the 6th lens L6 image side surface
Diameter is R12, and meets following relationship: 0.11≤(R11+R12)/(R11-R12)≤0.76, it is specified that be the 6th lens L6
Shape when in condition and range, as ultrathin, wide angle develop, is conducive to the problems such as drawing the aberration at angle outside correction axis.
With a thickness of d11 on the axis of the 6th lens L6, meet following relationship: 0.04≤d11/TTL≤0.15, in item
Within the scope of part, it is advantageously implemented ultrathin.
Further, TTL is the optics overall length of camera optical camera lens 10, and IH is the image height of camera optical camera lens 10, is met
Following relationship: TTL/IH≤1.45 are advantageously implemented ultrathin.
When meeting above-mentioned relation, so that camera optical camera lens 10 realizes while with good optical imaging performance,
Also it is able to satisfy the design requirement of large aperture, wide angle, ultrathin;According to the characteristic of the optical lens 10, the optical lens 10 is outstanding
It is suitable for the mobile phone camera lens component being made of photographing elements such as CCD, CMOS of high pixel and WEB pick-up lens.
Camera optical camera lens 10 of the invention will be illustrated with example below.The documented following institute of symbol in each example
Show.Distance on focal length, axis, radius of curvature, thickness on axis, point of inflexion position, stationary point position unit be mm.
TTL: optics overall length (distance on the object side to the axis of imaging surface of the first lens L1), unit mm;
Preferably, it is also provided with the point of inflexion and/or stationary point on the object side of the lens and/or image side surface, with full
The imaging demand of sufficient high-quality, specific implementable solution are joined lower described.
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 meaning of each symbol is as follows.
S1: aperture;
R: being center radius of curvature when the radius of curvature of optical surface, lens;
The radius of curvature of the object side of R1: the first lens L1;
The radius of curvature of the image side surface of R2: the first lens L1;
The radius of curvature of the object side of R3: the second lens L2;
The radius of curvature of the image side surface of R4: the second lens L2;
The radius of curvature of R5: the third lens L3 object side;
R6: the radius of curvature of the image side surface of the third lens L3;
The radius of curvature of the object side of R7: the four lens L4;
The radius of curvature of the image side surface of R8: the four lens L4;
The radius of curvature of the object side of R9: the five lens L5;
The radius of curvature of the image side surface of R10: the five lens L5;
The radius of curvature of the object side of R11: the six lens L6;
The radius of curvature of the image side surface of R12: the six lens L6;
R13: the radius of curvature of the object side of optical filtering piece GF;
R14: the radius of curvature of the image side surface of optical filtering piece GF;
D: distance on the axis on the axis of lens between thickness and lens;
Distance on the axis of the object side of d0: aperture S1 to first lens L1;
Thickness on the axis of d1: the first lens L1;
Distance on the image side surface of d2: the first lens L1 to the axis of the object side of the second lens L2;
Thickness on the axis of d3: the second lens L2;
Distance on the image side surface of d4: the second lens L2 to the axis of the object side of the third lens L3;
D5: thickness on the axis of the third lens L3;
D6: distance on the axis of the image side surface of the third lens L3 to the object side of the 4th lens L4;
Thickness on the axis of d7: the four lens L4;
Distance on the image side surface of d8: the four lens L4 to the axis of the object side of the 5th lens L5;
Thickness on the axis of d9: the five lens L5;
Distance on the image side surface of d10: the five lens L5 to the axis of the object side of the 6th lens L6;
Thickness on the axis of d11: the six lens L6;
Distance on the image side surface of d12: the six lens L6 to the axis of the object side of optical filtering piece GF;
D13: thickness on the axis of optical filtering piece GF;
D14: distance on the image side surface to the axis of image planes of optical filtering piece GF;
The refractive index of nd:d line;
The refractive index of the d line of nd1: the first lens L1;
The refractive index of the d line of nd2: the second lens L2;
The refractive index of nd3: the third lens L3 d line;
The refractive index of the d line of nd4: the four lens L4;
The refractive index of the d line of nd5: the five lens L5;
The refractive index of the d line of nd6: the six lens L6;
Ndg: the refractive index of the d line of optical filtering piece GF;
Vd: Abbe number;
The Abbe number of v1: the first lens L1;
The Abbe number of v2: the second lens L2;
V3: the Abbe number of the third lens L3;
The Abbe number of v4: the four lens L4;
The Abbe number of v5: the five lens L5;
The Abbe number of v6: the six lens L6;
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, A18, A20 are asphericity coefficients.
Y=(x2/R)/[1+{1-(k+1)(x2/R2)}1/2]+A4x4+A6x6+A8x8+A10x10+A12x12+A14x14+
A16x16+A18x18+A20x20 (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, P1R1, P1R2 respectively represent object side and the image side surface of the first lens L1, and P2R1, P2R2 respectively represent
The object side of two lens L2 and image side surface, P3R1, P3R2 respectively represent object side and the image side surface of the third lens L3, P4R1,
P4R2 respectively represents object side and the image side surface of the 4th lens L4, P5R1, P5R2 respectively represent the 5th lens L5 object side and
Image side surface, P6R1, P6R2 respectively represent object side and the image side surface of the 6th lens L6." point of inflexion position " field corresponding data is
Vertical range of the point of inflexion set by each lens surface to 10 optical axis of camera optical camera lens." stationary point position " field corresponding data
For stationary point set by each lens surface to the vertical range of 10 optical axis of camera optical camera lens.
[table 3]
Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | |
P1R1 | 1 | 1.425 | 0 | 0 |
P1R2 | 2 | 0.575 | 1.285 | 0 |
P2R1 | 2 | 0.475 | 0.795 | 0 |
P2R2 | 0 | 0 | 0 | 0 |
P3R1 | 1 | 1.185 | 0 | 0 |
P3R2 | 1 | 1.275 | 0 | 0 |
P4R1 | 1 | 0.395 | 0 | 0 |
P4R2 | 1 | 0.465 | 0 | 0 |
P5R1 | 2 | 0.845 | 1.935 | 0 |
P5R2 | 1 | 2.395 | 0 | 0 |
P6R1 | 2 | 1.505 | 2.895 | 0 |
P6R2 | 3 | 0.595 | 2.855 | 3.205 |
[table 4]
Stationary point number | Stationary point position 1 | |
P1R1 | 0 | 0 |
P1R2 | 1 | 1.095 |
P2R1 | 0 | 0 |
P2R2 | 0 | 0 |
P3R1 | 0 | 0 |
P3R2 | 0 | 0 |
P4R1 | 1 | 0.785 |
P4R2 | 1 | 0.925 |
P5R1 | 1 | 1.245 |
P5R2 | 0 | 0 |
P6R1 | 0 | 0 |
P6R2 | 1 | 1.285 |
Fig. 2, Fig. 3 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm to be implemented by first
Axial aberration and ratio chromatism, schematic diagram after the camera optical camera lens 10 of mode.Fig. 4 then shows the light that wavelength is 546nm and passes through
The curvature of field and distortion schematic diagram after crossing the camera optical camera lens 10 of first embodiment, the curvature of field S of Fig. 4 is the field in sagitta of arc direction
Song, T are the curvature of field of meridian direction.
The table 17 occurred afterwards show in each embodiment one, two, three, four in various numerical value and conditional as defined in parameter
Corresponding value.
As shown in table 17, first embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.933mm, and full filed image height is
4.000mm, the field angle of diagonal is 78.00 °, so that 10 wide angle of camera optical camera lens, ultrathin, axis
Upper, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
(second embodiment)
Second embodiment is essentially identical with first embodiment, and symbol meaning is identical with first embodiment, this second
The structure type of the camera optical camera lens 20 of embodiment please join shown in Fig. 5, only list difference below.
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 | Point of inflexion position 4 | |
P1R1 | 1 | 1.425 | 0 | 0 | 0 |
P1R2 | 1 | 0.905 | 0 | 0 | 0 |
P2R1 | 0 | 0 | 0 | 0 | 0 |
P2R2 | 0 | 0 | 0 | 0 | 0 |
P3R1 | 1 | 1.125 | 0 | 0 | 0 |
P3R2 | 1 | 1.245 | 0 | 0 | 0 |
P4R1 | 1 | 0.305 | 0 | 0 | 0 |
P4R2 | 4 | 0.355 | 1.385 | 1.625 | 1.775 |
P5R1 | 2 | 0.715 | 1.965 | 0 | 0 |
P5R2 | 1 | 2.495 | 0 | 0 | 0 |
P6R1 | 2 | 1.495 | 2.855 | 0 | 0 |
P6R2 | 3 | 0.585 | 2.825 | 3.145 | 0 |
[table 8]
Fig. 6, Fig. 7 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm to be implemented by second
Axial aberration and ratio chromatism, schematic diagram after the camera optical camera lens 20 of mode.Fig. 8 then shows the light that wavelength is 546nm and passes through
The curvature of field and distortion schematic diagram after crossing the camera optical camera lens 20 of second embodiment.
As shown in table 17, second embodiment meets each conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.933mm, and full filed image height is
4.000mm, the field angle of diagonal is 78.00 °, so that 20 wide angle of camera optical camera lens, ultrathin, axis
Upper, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
(third embodiment)
Third embodiment and first embodiment are essentially identical, and symbol meaning is identical with first embodiment, the third
The structure type of the camera optical camera lens 30 of embodiment please join shown in Fig. 9, only list difference below.
Table 9, table 10 show the design data of the camera optical camera lens 30 of third embodiment of the invention.
[table 9]
Table 10 shows the aspherical surface data of each lens in the camera optical camera lens 30 of third embodiment of the invention.
[table 10]
Table 11, table 12 show the point of inflexion of each lens in the camera optical camera lens 30 of third embodiment of the invention and stay
Point design data.
[table 11]
Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | Point of inflexion position 3 | Point of inflexion position 4 | |
P1R1 | 1 | 1.435 | 0 | 0 | 0 |
P1R2 | 1 | 0.915 | 0 | 0 | 0 |
P2R1 | 0 | 0 | 0 | 0 | 0 |
P2R2 | 0 | 0 | 0 | 0 | 0 |
P3R1 | 2 | 0.365 | 1.125 | 0 | 0 |
P3R2 | 2 | 0.215 | 1.185 | 0 | 0 |
P4R1 | 1 | 0.255 | 0 | 0 | 0 |
P4R2 | 4 | 0.355 | 1.265 | 1.675 | 1.875 |
P5R1 | 2 | 0.695 | 1.835 | 0 | 0 |
P5R2 | 1 | 2.495 | 0 | 0 | 0 |
P6R1 | 2 | 1.645 | 2.985 | 0 | 0 |
P6R2 | 4 | 0.615 | 2.975 | 3.165 | 3.335 |
[table 12]
Stationary point number | Stationary point position 1 | Stationary point position 2 | |
P1R1 | 0 | 0 | 0 |
P1R2 | 0 | 0 | 0 |
P2R1 | 0 | 0 | 0 |
P2R2 | 0 | 0 | 0 |
P3R1 | 1 | 0.575 | 0 |
P3R2 | 2 | 0.375 | 1.335 |
P4R1 | 1 | 0.475 | 0 |
P4R2 | 1 | 0.645 | 0 |
P5R1 | 1 | 1.035 | 0 |
P5R2 | 0 | 0 | 0 |
P6R1 | 0 | 0 | 0 |
P6R2 | 1 | 1.405 | 0 |
It is real by third that Figure 10, Figure 11 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm
Axial aberration and ratio chromatism, schematic diagram after applying the camera optical camera lens 30 of mode.It is 546nm that Figure 12, which then shows wavelength,
Camera optical camera lens 30 of the light by third embodiment after the curvature of field and distortion schematic diagram.
Following table 17 lists the numerical value that each conditional is corresponded in present embodiment according to the above conditions.Obviously, this reality
The camera optical camera lens for applying mode meets above-mentioned conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.933mm, and full filed image height is
4.000mm, the field angle of diagonal is 78.20 °, so that 30 wide angle of camera optical camera lens, ultrathin, axis
Upper, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
(the 4th embodiment)
4th embodiment and first embodiment are essentially identical, and symbol meaning is identical with first embodiment, and the 4th
The structure type of the camera optical camera lens 40 of embodiment please join shown in Figure 13, only list difference below.
Table 13, table 14 show the design data of the camera optical camera lens 40 of four embodiment of the invention.
[table 13]
Table 14 shows the aspherical surface data of each lens in the camera optical camera lens 40 of four embodiment of the invention.
[table 14]
Table 15, table 16 show the point of inflexion of each lens in the camera optical camera lens 40 of four embodiment of the invention and stay
Point design data.
[table 15]
[table 16]
Stationary point number | Stationary point position 1 | Stationary point position 2 | |
P1R1 | 0 | 0 | 0 |
P1R2 | 1 | 1.345 | 0 |
P2R1 | 0 | 0 | 0 |
P2R2 | 0 | 0 | 0 |
P3R1 | 2 | 0.425 | 1.235 |
P3R2 | 2 | 0.415 | 1.385 |
P4R1 | 1 | 0.555 | 0 |
P4R2 | 1 | 0.655 | 0 |
P5R1 | 1 | 1.235 | 0 |
P5R2 | 1 | 2.585 | 0 |
P6R1 | 1 | 2.715 | 0 |
P6R2 | 1 | 1.275 | 0 |
It is real by the 4th that Figure 14, Figure 15 respectively illustrate the light that wavelength is 435nm, 486nm, 546nm, 587nm and 656nm
Axial aberration and ratio chromatism, schematic diagram after applying the camera optical camera lens 40 of mode.It is 546nm that Figure 16, which then shows wavelength,
The curvature of field of the light after the camera optical camera lens 40 of the 4th embodiment and distortion schematic diagram.
Following table 17 lists the numerical value that each conditional is corresponded in present embodiment according to the above conditions.Obviously, this reality
The camera optical camera lens for applying mode meets above-mentioned conditional.
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 2.938mm, and full filed image height is
4.000mm, the field angle of diagonal is 78.10 °, so that 40 wide angle of camera optical camera lens, ultrathin, axis
Upper, the outer chromatic aberation of axis sufficiently makes corrections, and has outstanding optical signature.
[table 17]
Parameter and conditional | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
f | 4.840 | 4.840 | 4.840 | 4.848 |
f1 | 5.030 | 4.675 | 4.894 | 4.776 |
f2 | -44.976 | -25.428 | -30.528 | -22.151 |
f3 | -71.210 | -66.036 | -66.405 | -62.892 |
f4 | -78.672 | -81.098 | -109.204 | -32.245 |
f5 | 3.340 | 3.309 | 3.676 | 3.221 |
f6 | -2.532 | -2.450 | -2.763 | -2.584 |
f12 | 5.400 | 5.310 | 5.406 | 5.565 |
v1/v2 | 4.21 | 3.85 | 3.06 | 4.21 |
(R7+R8)/(R7-R8) | 19.83 | 14.90 | 16.20 | 8.24 |
f3/f | -14.71 | -13.64 | -13.72 | -12.97 |
Fno | 1.65 | 1.65 | 1.65 | 1.65 |
It will be understood by those skilled in the art that the respective embodiments described above are to realize a specific embodiment of the invention,
And in practical 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 (10)
1. a kind of camera optical camera lens, which is characterized in that the camera optical camera lens sequentially includes: having from object side to image side
First lens of positive refracting power, the second lens with negative refracting power, the third lens with negative refracting power have negative refracting power
The 4th lens, the 5th lens with positive refracting power, and the 6th lens with negative refracting power;
The focal length of the camera optical camera lens is f, and the focal length of the third lens is f3, and the Abbe number of first lens is
V1, the Abbe number of second lens are v2, and the radius of curvature of the 4th lens object side is R7 and the 4th lens
The radius of curvature of image side surface is R8, meets following relationship:
-15.00≤f3/f≤-12.50;
3.00≤v1/v2≤4.50;
8.00≤(R7+R8)/(R7-R8)≤20.00。
2. camera optical camera lens according to claim 1, which is characterized in that with a thickness of d1 on the axis of first lens,
With a thickness of d3 on the axis of second lens, meet following relationship:
2.50≤d1/d3≤5.00。
3. camera optical camera lens according to claim 1, which is characterized in that the radius of curvature of the second lens object side
Radius of curvature for R3, the second lens image side surface is R4, meets following relationship:
6.50≤(R3+R4)/(R3-R4)≤10.00。
4. camera optical camera lens according to claim 1, which is characterized in that the focal length of first lens is f1, described
The radius of curvature of first lens object side is R1, and the radius of curvature of the first lens image side surface is R2, first lens
With a thickness of d1 on axis, the optics overall length of the camera optical camera lens is TTL, meets following relationship:
0.48≤f1/f≤1.56;
-4.77≤(R1+R2)/(R1-R2)≤-1.16;
0.08≤d1/TTL≤0.30。
5. camera optical camera lens according to claim 1, which is characterized in that the focal length of second lens is f2, described
With a thickness of d3 on the axis of second lens, the optics overall length of the camera optical camera lens is TTL, and meets following relationship:
-18.59≤f2/f≤-3.05;
0.02≤d3/TTL≤0.09。
6. camera optical camera lens according to claim 1, which is characterized in that the radius of curvature of the third lens object side
For R5, the radius of curvature of the third lens image side surface is R6, with a thickness of d5, the camera optical on the axis of the third lens
The optics overall length of camera lens is TTL, meets following relationship:
-2.16≤(R5+R6)/(R5-R6)≤4.76;
0.03≤d5/TTL≤0.10。
7. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 4th lens is f4, described
With a thickness of d7 on the axis of 4th lens, the optics overall length of the camera optical camera lens is TTL, meets following relationship:
-45.13≤f4/f≤-4.43;
0.03≤d7/TTL≤0.12。
8. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 5th lens is f5, described
The radius of curvature of 5th lens object side is R9, and the radius of curvature of the 5th lens image side surface is R10, the 5th lens
With a thickness of d9 on axis, the optics overall length of the camera optical camera lens is TTL, meets following relationship:
0.33≤f5/f≤1.14;
0.20≤(R9+R10)/(R9-R10)≤1.01;
0.07≤d9/TTL≤0.26。
9. camera optical camera lens according to claim 1, which is characterized in that the focal length of the 6th lens is f6, described
The radius of curvature of 6th lens object side is R11, and the radius of curvature of the 6th lens image side surface is R12, the 6th lens
Axis on a thickness of d11, the optics overall length of the camera optical camera lens is TTL, and meets following relationship:
-1.14≤f6/f≤-0.34;
0.11≤(R11+R12)/(R11-R12)≤0.76;
0.04≤d11/TTL≤0.15。
10. camera optical camera lens according to claim 1, which is characterized in that the optics overall length of the camera optical camera lens
Image height for TTL, the camera optical camera lens is IH, meets following relationship:
TTL/IH≤1.45。
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