CN106842508B - Camera optical camera lens - Google Patents
Camera optical camera lens Download PDFInfo
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- CN106842508B CN106842508B CN201710126584.0A CN201710126584A CN106842508B CN 106842508 B CN106842508 B CN 106842508B CN 201710126584 A CN201710126584 A CN 201710126584A CN 106842508 B CN106842508 B CN 106842508B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 103
- 239000000463 material Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 10
- 230000004075 alteration Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004040 coloring Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000001747 pupil Anatomy 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 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
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
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Abstract
The present invention relates to field of optical lens, disclose a kind of camera optical camera lens, sequentially include: aperture, the first lens, the second lens, the third lens, the 4th lens and the 5th lens by object side to image side；And meet following relationship: 0.75 < f1/f < 0.80, -1.9 < f2/f < -1.8, -10 < f3/f < -9,0.55 < f4/f < 0.58, -0.5 < f5/f < -0.46；11<v2/n2<14,1.15<n2/n5<1.25,0.03<d3/TTL<0.04,0.24<d3/d7<0.27；2.72<(r3-r6)/(r3+r6)<2.82.The camera optical camera lens has the advantages that take into account the imaging performance of six chip camera lenses while low optical overall length TTL performance.
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 or quadruple lenses
Structure.However, with the development of technology and users on diversity increases, constantly contracting in the elemental area of sensor devices
It is small, and in the case where 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 imaging performance and six
Formula lens are insufficient compared to still, can not reach while with low optical overall length (Total Track Length, TTL)
The image quality of six chip camera lenses.
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 lens, with low optical overall length TTL
The advantages of high image quality is taken into account while performance.
In order to solve the above technical problems, embodiments of the present invention provide a kind of camera optical camera lens, by object side to picture
Side sequentially includes: an aperture, and first lens with positive refracting power, second lens with negative refracting power, one with negative
The third lens of refracting power, the 4th lens and the 5th lens with negative refracting power with positive refracting power；Entirety is taken the photograph
As the focal length of optical lens is f, the focal lengths of first lens is f1, and the focal length of second lens is f2, and the third 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 refractive index of second lens is n2, and the refractive index of the 5th lens is n5, thickness on the axis of second lens
Spending is d3, and with a thickness of d7 on the axis of the 4th lens, the optics overall length of the camera optical camera lens is TTL, and described second thoroughly
The center curvature radius of mirror object side is r3, and the center curvature radius of the third lens image side surface is r6, meets following relationship
Formula: 0.75 < f1/f < 0.80, -1.9 < f2/f < -1.8, -10 < f3/f < -9,0.55 < f4/f < 0.58, -0.5 < f5/f < -0.46；
11<v2/n2<14,1.15<n2/n5<1.25,0.03<d3/TTL<0.04,0.24<d3/d7<0.27；2.72<(r3-r6)/(r3
+r6)<2.82。
Embodiment of the present invention in terms of existing technologies, by the configuration mode of said lens, can efficiently use
Lens with different refracting powers and focal length and the Abbe number within the scope of individual lenses particular kind of relationship, refractive index, thickness on axis,
The optics overall length TTL of center curvature radius and camera optical camera lens obtains low the advantages of obtaining optics overall length TTL to correct aberration, simultaneously
The advantages of reaching the imaging performance of six chip camera lenses.
In addition, the focal length f1 of first lens, the focal length f2 of second lens, the focal length f3 of the third lens,
The focal length f4 of the 4th lens and focal length f5 of the 5th lens meets following relationship: 2.7 < f1 < 2.9, -6.8 <
F2 < -6.6, -34 < f3 < -32,1.95 < f4 < 2.10, -1.8 < f5 < -1.7.
In addition, the refractive index n1 of first lens, the refractive index n2 of second lens, the refraction of the third lens
Rate n3, the refractive index n4 of the 4th lens and the refractive index n5 of the 5th lens meet following relationship: 1.57 < n1 <
1.59,1.8 < n2 < 1.9,1.65 < n3 < 1.68,1.53 < 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 third lens
Number v3, the Abbe number v4 of the 4th lens and the Abbe number v5 of the 5th lens meet following relationship: 57 < v1 <
62,22 < v2 < 25,20 < v3 < 22,55 < v4 < 57,55 < v5 < 58.
In addition, the optics overall length of the camera optical camera lens is less than or equal to 4.1 millimeters.
In addition, the F-number of the camera optical camera lens is less than or equal to 2.4.
In addition, with a thickness of d5 on the axis of the third lens, meeting following pass with a thickness of d3 on the axis of second lens
It is formula: 0.7 < d3/d5 < 0.8.
In addition, the material of first lens and the second lens is glass.
In addition, the material of the third lens, the 4th lens and the 5th lens is plastics.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of camera optical camera lens of the invention；
Fig. 2 is that the axis colouring differential of camera optical camera lens shown in Fig. 1 is intended to；
Fig. 3 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 1；
Fig. 4 is the 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 another embodiment of camera optical camera lens of the invention；
Fig. 6 is that the axis colouring differential of camera optical camera lens shown in Fig. 5 is intended to；
Fig. 7 is the ratio chromatism, schematic diagram of camera optical camera lens shown in Fig. 5；
Fig. 8 is the 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 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.
With reference to attached drawing, the present invention provides a kind of camera optical camera lenses.Fig. 1 show taking the photograph for first embodiment of the invention
As optical lens 10, which includes five lens.Specifically, the camera optical camera lens 10, extremely by object side
Image side sequentially includes: aperture St, the first lens L1, the second lens L2, the third lens L3, the 4th lens L4 and the 5th lens
L5.It may be provided with the optical elements such as optical filter (filter) GF between 5th lens L5 and image planes Si.
First lens L1 has positive refracting power, can effectively reduce system length, object side outwardly protrudes as convex surface, light
Circle St is set 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.The third lens L3 has negative refracting power, and in present embodiment, the object side of the third lens L3 is recessed
Face, image side surface are convex surface.4th lens L4 has positive refracting power, in present embodiment, the object side of the 4th lens L4 be concave surface,
Image side surface is convex surface, can distribute the positive refracting power of the first lens L1, and then reduce system sensitivity.5th lens L5 has negative
Refracting power, in present embodiment, the object side of the 5th lens L5 is concave surface, can effectively reduce the system curvature of field.
Here, the focal length for defining whole camera optical camera lens 10 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 third 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 second lens is v2, and the refractive index of second lens is n2, and the described 5th thoroughly
The refractive index of mirror is n5, with a thickness of d3 on the axis of second lens, with a thickness of d7, the camera shooting on the axis of the 4th lens
The optics overall length of optical lens is TTL, and the center curvature radius of the second lens object side is r3, the third lens image side
The center curvature radius in face is r6.Described f, f1, f2, f3, f4, f5, v2, n2, n5, d3, d7, TTL, r3 and r6 meet following
Relational expression: 0.75 < f1/f < 0.80, -1.9 < f2/f < -1.8, -10 < f3/f < -9,0.55 < f4/f < 0.58, -0.5 < f5/f < -
0.46；11<v2/n2<14,1.15<n2/n5<1.25,0.03<d3/TTL<0.04,0.24<d3/d7<0.27；2.72<(r3-
r6)/(r3+r6)<2.82。
When the focal length of camera optical camera lens 10 of the present invention, the focal length of each lens, the Abbe number of associated lens, refraction
It, can when the optics overall length TTL of thickness, center curvature radius and the camera optical camera lens meets above-mentioned relation formula in rate, axis
It is configured with the refracting power size of each lens of control/adjustment, while meeting the design requirement of low TTL, is reached and six chip light
The comparable high image quality of camera lens is learned, and is more suitable the portable type camera shot equipment of high pixel.
Specifically, in embodiment of the present invention, the focal length f1 of first lens, the focal length f2 of second lens, institute
The focal length f3, the focal length f5 of the focal length f4 of the 4th lens, the 5th lens for stating the third lens may be designed to satisfaction
Following relationship: 2.7 < f1 < 2.9, -6.8 < f2 < -6.6, -34 < f3 < -32,1.95 < f4 < 2.10, -1.8 < f5 < -1.7, unit:
Millimeter (mm).It is designed in this way, the optics overall length TTL of whole camera optical camera lens 10 is enabled to shorten as far as possible, maintain miniaturization
Characteristic.
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 4.1 millis
Rice.It is designed in this way, more conducively realizes the Miniaturization Design of camera optical camera lens 10.Preferably, in embodiment of the present invention, camera shooting
The F-number of optical lens is less than or equal to 2.4, is designed in this way, is advantageously implemented the large aperture of the camera optical camera lens 10
Energy.Preferably, in embodiment of the present invention, thickness d 5 meets on the axis of thickness d 3 and the third lens L3 on the axis of the second lens L2
Relational expression: 0.7 < d3/d5 < 0.8 is designed in this way, so that the second lens L2 and the third lens L3 has optimal thickness, favorably
In the assembling configuration of the system of realization.
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, the then freedom degree that can increase optical system refracting power configuration of the present invention can be effectively reduced if lens material is plastics
Production cost.
In embodiment of the present invention, the material of the first lens L1 and the second lens L2 are glass, the third lens
The material of L3, the 4th lens L4 and the 5th lens L5 are plastics.Wherein, the first lens L1 and the second lens L2 is glass material
Design influence of the temperature to 10 performance of camera optical camera lens can be effectively reduced.
Further, in a preferred embodiment of the invention, the refractive index n1 of first lens, second lens
Refractive index n2, the refractive index n3, the refractive index n4 of the 4th lens and the folding of the 5th lens of the third lens
The rate n5 of penetrating meets following relationship: 1.57 < n1 < 1.59,1.8 < n2 < 1.9,1.65 < n3 < 1.68,1.53 < n4 < 1.55,1.52 <
n5<1.55.It is designed in this way, is conducive to lens and obtains appropriate matching on optical material, and then the videography optical lens can be made
First 10 obtain preferable image quality.
It should be noted that in embodiment of the present invention, the Abbe number v1 of first lens, second lens Ah
Shellfish number v2, the Abbe number v3, the Abbe number v4 of the 4th lens and the Abbe number of the 5th lens of the third lens
V5 is designed to meet following relationship: 57 < v1 < 62,22 < v2 < 25,20 < v3 < 22,55 < v4 < 57,55 < v5 < 58.So
Design, Optical Chromatic phenomenon when camera optical camera lens 10 can effectively be inhibited to be imaged.
It is understood that the refractive index design scheme and Abbe number design scheme of above-mentioned each lens can be combined with each other and
Apply in the design of camera optical camera lens 10 so that the second lens L2 and the third lens L3 using high refractive index,
Low Abbe number optical material is made, and can effectively reduce camera lens color difference, greatly improves the image quality of camera optical camera lens 10.
In addition, the surface of lens can be set to it is aspherical, it is aspherical to be easy to be fabricated to the shape other than spherical surface, obtain
More controlled variable is obtained, to cut down aberration, and then reduces the number that lens use, therefore the present invention can be effectively reduced and take the photograph
As the total length of optical lens.In embodiment of the present invention, the object side of each lens and image side surface are aspherical.
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.
It shown below the design data of the camera optical camera lens 10 of embodiment 1 according to the present invention.
Table 1, table 2 show the data of the camera optical camera lens 10 of embodiment of the present invention 1.
[table 1]
The meaning of each symbol is as follows:
F: the focal length of camera optical camera lens 10；
The focal length of f1: the first lens L1；
The focal length of f2: the second lens L2；
F3: the focal length of the third lens L3；
The focal length of f4: the four lens L4；
The focal length of f5: the five lens L5.
[table 2]
Wherein, R1, R2 are the object side of the first lens L1, image side surface, and R3, R4 are object side, the image side of the second lens L2
Face, R5, R6 are the object side of the third lens L3, image side surface, and R7, R8 are the object side of the 4th lens L4, image side surface, and R9, R10 are
The object side of 5th lens L5, image side surface, R11, R12 are the object side of optical filter GF, image side surface.The meaning of other each symbols is such as
Under:
Distance on the axis of the object side of d0: aperture St 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；
D11: thickness on the axis of optical filter GF；
D12: distance on the axis of the image side surface of optical filter GF to image planes；
The refractive index of nd1: the first lens L1；
The refractive index of nd2: the second lens L2；
Nd3: the refractive index of the third lens L3；
The refractive index of nd4: the four lens L4；
The refractive index of nd5: the five lens L5；
Ndg: the refractive index of optical filter GF；
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；
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 the point of inflexion of each lens and stationary point in the camera optical camera lens 10 of embodiment of the present invention 1 and set
It counts.Wherein, R1, R2 respectively represent object side and the image side surface of the first lens L1, and R3, R4 respectively represent the second lens L2's
Object side and image side surface, R5, R6 respectively represent object side and the image side surface of the third lens L3, and R7, R8 respectively represent the 4th lens
The object side of L4 and image side surface, R9, R10 respectively represent object side and the image side surface of the 5th lens L5." 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 " column
Position corresponding data is vertical range of the stationary point set by each lens surface to 10 optical axis of camera optical camera lens.
[table 4]
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | |
| R1 | 1 | 0.785 | |
| R2 | 1 | 0.365 | |
| R3 | 0 | ||
| R4 | 0 | ||
| R5 | 0 | ||
| R6 | 1 | 0.845 | |
| R7 | 0 | ||
| R8 | 2 | 0.935 | 1.305 |
| R9 | 1 | 1.155 | |
| R10 | 2 | 0.525 | 2.245 |
[table 5]
Fig. 2, Fig. 3 respectively illustrate camera optical of the light Jing Guo embodiment 1 that wavelength is 486nm, 588nm and 656nm
Color difference and ratio chromatism, schematic diagram on axis after camera lens 10.Fig. 4 is then shown, and the light that wavelength is 588nm passes through embodiment 1
Camera optical camera lens 10 after the curvature of field and distortion schematic diagram.
Following table 6 lists the numerical value that each conditional is corresponded in present embodiment according to the above conditions.Obviously, this implementation
The imaging 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 1.49mm, and full filed image height is
2.9335mm, the field angle of diagonal are 77.79 °.
It shown below the design data of camera optical camera lens 20 shown in 2 Fig. 5 of embodiment according to the present invention.The shooting light
Camera lens 20 is learned to be substantially the same with 10 structure of the camera optical camera lens configuration in embodiment 1.Table 7, table 8 show embodiment party of the present invention
The data of the camera optical camera lens 20 of formula 2.
[table 7]
The meaning of each symbol is as follows:
F: the focal length of camera optical camera lens 20；
The focal length of f1: the first lens L1；
The focal length of f2: the second lens L2；
F3: the focal length of the third lens L3；
The focal length of f4: the four lens L4；
The focal length of f5: the five lens L5.
[table 8]
Wherein, R1, R2 are the object side of the first lens L1, image side surface, and R3, R4 are object side, the image side of the second lens L2
Face, R5, R6 are the object side of the third lens L3, image side surface, and R7, R8 are the object side of the 4th lens L4, image side surface, and R9, R10 are
The object side of 5th lens L5, image side surface, R11, R12 are the object side of optical filter GF, image side surface.The meaning of other each symbols is such as
Under.
Distance on the axis of the object side of d0: aperture St 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；
D11: thickness on the axis of optical filter GF；
D12: distance on the axis of the image side surface of optical filter GF to image planes；
The refractive index of nd1: the first lens L1；
The refractive index of nd2: the second lens L2；
Nd3: the refractive index of the third lens L3；
The refractive index of nd4: the four lens L4；
The refractive index of nd5: the five lens L5；
Ndg: the refractive index of optical filter GF；
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；
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 of each lens and stationary point in the camera optical camera lens 20 of embodiment of the present invention 2
Design data.Wherein, R1, R2 respectively represent object side and the image side surface of the first lens L1, and R3, R4 respectively represent the second lens L2
Object side and image side surface, R5, R6 respectively represent object side and the image side surface of the third lens L3, R7, R8 respectively represent the 4th thoroughly
The object side of mirror L4 and image side surface, R9, R10 respectively represent object side and the image side surface of the 5th lens L5." point of inflexion position " column
Position corresponding data is vertical range of the point of inflexion set by each lens surface to 20 optical axis of camera optical camera lens." stationary point position "
Field corresponding data is vertical range of the stationary point set by each lens surface to 20 optical axis of camera optical camera lens.
[table 10]
| Point of inflexion number | Point of inflexion position 1 | Point of inflexion position 2 | |
| R1 | 1 | 0.785 | |
| R2 | 1 | 0.365 | |
| R3 | 0 | ||
| R4 | 0 | ||
| R5 | 0 | ||
| R6 | 1 | 0.845 | |
| R7 | 1 | 1.285 | |
| R8 | 2 | 0.935 | 1.305 |
| R9 | 1 | 1.155 | |
| R10 | 2 | 0.525 | 2.235 |
[table 11]
| Stationary point number | Stationary point position 1 | |
| R1 | 0 | |
| R2 | 1 | 0.645 |
| R3 | 0 | |
| R4 | 0 | |
| R5 | 0 | |
| R6 | 0 | |
| R7 | 0 | |
| R8 | 0 | |
| R9 | 0 | |
| R10 | 1 | 1.195 |
Fig. 6, Fig. 7 respectively illustrate camera optical of the light Jing Guo embodiment 2 that wavelength is 486nm, 588nm and 656nm
Color difference and ratio chromatism, schematic diagram on axis after camera lens 20.Fig. 8 is then shown, and the light that wavelength is 588nm passes through embodiment 2
Camera optical camera lens 20 after the curvature of field and distortion schematic diagram.
Following table 12 lists the numerical value that each conditional is corresponded in present embodiment according to the above conditions.Obviously, this reality
The imaging optical system for applying mode meets above-mentioned conditional.
[table 12]
In the present embodiment, the Entry pupil diameters of the camera optical camera lens are 1.5mm, and full filed image height is
2.9335mm, the field angle of diagonal are 77.79 °.
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 practical applications, can to it, various changes can be made in the form and details, without departing from spirit and model of the invention
It encloses.
Claims (9)
1. a kind of camera optical camera lens, which is characterized in that the camera optical camera lens, by object side to image side sequentially by an aperture,
One the first lens with positive refracting power；One the second lens with negative refracting power；One the third lens with negative refracting power；One
The 4th lens with positive refracting power；And one with negative refracting power the 5th lens constitute；The first lens object side is
Convex surface, image side surface are concave surface；The second lens object side is convex surface, image side surface is concave surface；The third lens object side is
Concave surface, image side surface are convex surface；4th lens object side is concave surface, image side surface is convex surface；5th lens object side is
Concave surface, image side surface are concave surface；
The focal length of whole 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 third lens is f3, and the focal lengths 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 refractive index of second lens is n2, and the refractive index of the 5th lens is n5, and described second thoroughly
With a thickness of d3 on the axis of mirror, with a thickness of d7 on the axis of the 4th lens, the optics overall length of the camera optical camera lens is TTL,
The center curvature radius of the second lens object side is r3, and the center curvature radius of the third lens image side surface is r6, full
Sufficient following relationship:
0.75<f1/f<0.80,-1.9<f2/f<-1.8,-10<f3/f<-9,0.55<f4/f<0.58,-0.5<f5/f<-0.46；
11<v2/n2<14,1.15<n2/n5<1.25,0.03<d3/TTL<0.04,0.24<d3/d7<0.27；
2.72<(r3-r6)/(r3+r6)<2.82。
2. camera optical camera lens according to claim 1, which is characterized in that the unit of described focal length f1, f2, f3, f4, f5
For millimeter, the focal length f1 of first lens, the focal length f2 of second lens, the focal length f3 of the third lens, described
The focal length f5 of the focal length f4 of four lens and the 5th lens meets following relationship:
2.7 < f1 < 2.9, -6.8 < f2 < -6.6, -34 < f3 < -32,1.95 < f4 < 2.10, -1.8 < f5 < -1.7.
3. camera optical camera lens according to claim 1, which is characterized in that the refractive index n1 of first lens, it is described
The refractive index n2 of second lens, the refractive index n3, the refractive index n4 and the described 5th of the 4th lens of the third lens
The refractive index n5 of lens meets following relationship:
1.57 < n1 < 1.59,1.8 < n2 < 1.9,1.65 < n3 < 1.68,1.53 < n4 < 1.55,1.52 < n5 < 1.55.
4. camera optical camera lens according to claim 1, which is characterized in that the Abbe number v1 of first lens, it is described
The Abbe number v2 of second lens, the Abbe number v3, the Abbe number v4 and the described 5th of the 4th lens of the third lens
The Abbe number v5 of lens meets following relationship:
57 < v1 < 62,22 < v2 < 25,20 < v3 < 22,55 < v4 < 57,55 < v5 < 58.
5. camera optical camera lens according to claim 1, which is characterized in that the optics overall length of the camera optical camera lens
TTL is less than or equal to 4.1 millimeters.
6. camera optical camera lens according to claim 1, which is characterized in that the F-number of the camera optical camera lens is less than
Or it is equal to 2.4.
7. camera optical camera lens according to claim 1, which is characterized in that with a thickness of d3 on the axis of second lens,
With a thickness of d5 on the axis of the third lens, meet following relationship: 0.7 < d3/d5 < 0.8.
8. camera optical camera lens according to claim 1, which is characterized in that the material of first lens and the second lens
For glass.
9. camera optical camera lens according to claim 1, which is characterized in that the third lens, the 4th lens and the 5th
The material of lens is plastics.
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| CN201710126584.0A CN106842508B (en) | 2017-03-03 | 2017-03-03 | Camera optical camera lens |
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| CN201710126584.0A CN106842508B (en) | 2017-03-03 | 2017-03-03 | Camera optical camera lens |
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| CN106842508B true CN106842508B (en) | 2019-07-05 |
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| CN110749979B (en) * | 2019-11-22 | 2021-11-02 | 诚瑞光学(常州)股份有限公司 | Image pickup optical lens |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772327A (en) * | 1990-03-07 | 1995-03-17 | Us Precision Lens Inc | Projection lens system for improved color television and projection television receiver having system thereof |
| CN1213085A (en) * | 1997-07-11 | 1999-04-07 | 三星航空产业株式会社 | Compact zoom lens system |
| CN1424612A (en) * | 2001-12-14 | 2003-06-18 | 日本电产科宝株式会社 | Wide-angle lenses |
| JP2009015253A (en) * | 2007-07-09 | 2009-01-22 | Olympus Corp | Optical device, optical system with the same and endoscope using the same |
-
2017
- 2017-03-03 CN CN201710126584.0A patent/CN106842508B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772327A (en) * | 1990-03-07 | 1995-03-17 | Us Precision Lens Inc | Projection lens system for improved color television and projection television receiver having system thereof |
| CN1213085A (en) * | 1997-07-11 | 1999-04-07 | 三星航空产业株式会社 | Compact zoom lens system |
| CN1424612A (en) * | 2001-12-14 | 2003-06-18 | 日本电产科宝株式会社 | Wide-angle lenses |
| JP2009015253A (en) * | 2007-07-09 | 2009-01-22 | Olympus Corp | Optical device, optical system with the same and endoscope using the same |
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