CN107272156B - Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens - Google Patents
Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens Download PDFInfo
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- CN107272156B CN107272156B CN201710594095.8A CN201710594095A CN107272156B CN 107272156 B CN107272156 B CN 107272156B CN 201710594095 A CN201710594095 A CN 201710594095A CN 107272156 B CN107272156 B CN 107272156B
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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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
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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
- G02B13/0055—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element
- G02B13/006—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras employing a special optical element at least one element being a compound optical element, e.g. cemented elements
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Abstract
The invention discloses a kind of compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens, it successively include the first lens from object space, second lens, the third lens, 4th lens, 5th lens, 6th lens, 7th lens, 8th lens, 9th lens, tenth lens and the 11st lens, first lens, second lens, 6th lens, 7th lens, 9th lens and the tenth lens are to be convex to object space spherical surface positive lens, the third lens are to be convex to object space spherical surface negative lens, 4th lens and the 11st lens are to concave towards object space spherical surface negative lens, 5th lens are in parallel to object space spherical surface positive lens, 8th lens are in parallel to object space spherical surface negative lens, diaphragm is between the third lens and the 4th lens.Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens are standard lens, and aperture super large, appearance is exquisite, and cost performance is high.
Description
Technical field
The present invention relates to a kind of micro- one camera camera lenses of number, and in particular to a kind of specification is effective focal length 35mm, relative opening
The micro- one camera super large aperture APS picture camera lens of number of diameter F=0.95.
Background technique
Domestic shutterbugs are numerous, huge to the demand of camera lens, however, the production design of domestic camera lens has sky
White, external mating camera lens price is high, and cost performance is low, causes heavy financial burden to vast commonness photograph fan.
Therefore, the camera lens that a kind of image quality is high, cost performance is high is developed, people's urgent problem to be solved is become.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of compact effective focal length 35mm, relative aperture F=0.95 number
Code camera APS picture camera lens, to solve the problems such as existing camera lens cost performance is low.
Present invention provide the technical scheme that compact effective focal length 35mm, relative aperture F=0.95 digital camera APS
Picture camera lens, successively includes the first lens from object space, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens,
7th lens, the 8th lens, the 9th lens, the tenth lens and the 11st lens, the first lens are to be convex to object space spherical surface positive lens,
Including the first spherical surface of convex surface and the second spherical surface of convex surface, the second lens are to be convex to object space spherical surface positive lens, including convex surface third spherical surface
With the 4th spherical surface of concave surface, the third lens are to be convex to object space spherical surface negative lens, including the 5th spherical surface of convex surface and the 6th spherical surface of concave surface, the
Four lens are to concave towards object space spherical surface negative lens, including the 7th spherical surface of concave surface and the 8th spherical surface of plane, the 5th lens are in parallel to object
Square spherical surface positive lens, including the 9th spherical surface of plane and the tenth spherical surface of convex surface, the 8th spherical surface and the 9th spherical surface are glued, and the 6th lens are
It is convex to object space spherical surface positive lens, including the 11st spherical surface of convex surface and the 12nd spherical surface of plane, the 7th lens are to be convex to object space spherical surface
Positive lens, including the 13rd spherical surface of convex surface and the 14th spherical surface of plane, the 8th lens be in parallel to object space spherical surface negative lens, including
The 15th spherical surface of plane and the 16th spherical surface of concave surface, the 14th spherical surface and the 15th spherical surface are glued, and the 9th lens are to be convex to object space
Spherical surface positive lens, including the 17th spherical surface of convex surface and the 18th spherical surface of plane, the tenth lens are to be convex to object space spherical surface positive lens, are wrapped
The 19th spherical surface of convex surface and the 20th spherical surface of convex surface are included, the 11st lens are to concave towards object space spherical surface negative lens, including concave surface second
11 spherical surfaces and the 22nd spherical surface of concave surface, the 20th spherical surface and the 21st spherical surface are glued, and diaphragm is located at the third lens and the
Between four lens, the first lens to the 11st lens are glass material.
It is preferred that the refractive index of the first lens is greater than 1.8 less than 1.9, dispersion is greater than 20 less than 45；The refractive index of second lens
Greater than 1.8 less than 1.9, dispersion is greater than 20 less than 45；The refractive index of the third lens is greater than 1.7 less than 1.9, and dispersion is greater than 20 and is less than
43；The refractive index of 4th lens is greater than 1.6 less than 1.8, and dispersion is greater than 20 less than 35；It is small that the refractive index of 5th lens is greater than 1.8
In 1.95, dispersion is greater than 25 less than 50；The refractive index of 6th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；The
The refractive index of seven lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；The refractive index of 8th lens is greater than 1.7 and is less than
1.9, dispersion is greater than 20 less than 43；The refractive index of 9th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；Tenth thoroughly
The refractive index of mirror is greater than 1.8 less than 1.9, and dispersion is greater than 38 less than 45；The refractive index of 11st lens is greater than 1.6 less than 1.8, color
It dissipates and is greater than 20 less than 35.
Further preferably, the material of the first lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The
The material of two lens is HZLAF3CDGM, refractive index 1.855, dispersion 36.61；The material of the third lens is HZF7LA
CDGM, refractive index 1.805, dispersion 25.5；The material of 4th lens is HZF3CDGM, refractive index 1.717, dispersion
It is 29.5；The material of 5th lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of 6th lens
For HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of 7th lens is HZLAF68B CDGM, refractive index
1.883, dispersion 40.8；The material of 8th lens is HZF12CDGM, refractive index 1.762, dispersion 26；9th thoroughly
The material of mirror is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of tenth lens is HZLAF68B
CDGM, refractive index 1.883, dispersion 40.8；The material of 11st lens be HZF11 CDGM, refractive index 1.699,
Dispersion is 30.1.
Further preferably, the parameter of the camera lens is as follows:
Compact effective focal length 35mm provided by the invention, relative aperture F=0.95 digital camera APS picture camera lens
Advantage is: lens are all made of spherical design, to correct various aberrations；Lens all use glass material, improve lens
Quality itself, the clarity of camera lens；Improve the service performance of camera lens.
Detailed description of the invention
With reference to the accompanying drawing and embodiment the present invention is described in further detail:
Fig. 1 is the knot of compact effective focal length 35mm of the present invention, relative aperture F=0.95 digital camera APS picture camera lens
Structure schematic diagram；
Fig. 2 is compact effective focal length 35mm of the present invention, relative aperture F=0.95 digital camera APS picture camera lens
MTF figure；
Fig. 3 is the ball of compact effective focal length 35mm of the present invention, relative aperture F=0.95 digital camera APS picture camera lens
Difference figure；
Fig. 4 is the field of compact effective focal length 35mm of the present invention, relative aperture F=0.95 digital camera APS picture camera lens
Diagram；
Fig. 5 is the phase of compact effective focal length 35mm of the present invention, relative aperture F=0.95 digital camera APS picture camera lens
To illumination figure.
Specific embodiment
The present invention is further explained below in conjunction with specific embodiment, but the not limitation present invention.
As shown in Figure 1, compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens, from object
Fang Yici includes the first lens 1, and the second lens 2, the third lens 3, the 4th lens 4, the 5th lens 5, the 6th lens 6, the 7th thoroughly
Mirror 7, the 8th lens 8, the 9th lens 9, the tenth lens 10 and the 11st lens 11, the first lens 1 are just saturating to be convex to object space spherical surface
Mirror, including the first spherical surface of convex surface and the second spherical surface of convex surface, the second lens 2 are to be convex to object space spherical surface positive lens, including convex surface third
Spherical surface and the 4th spherical surface of concave surface, the third lens 3 are to be convex to object space spherical surface negative lens, including the 5th spherical surface of convex surface and the 6th ball of concave surface
Face, for the 4th lens 4 to concave towards object space spherical surface negative lens, including the 7th spherical surface of concave surface and the 8th spherical surface of plane, the 5th lens 5 are flat
For row to object space spherical surface positive lens, including the 9th spherical surface of plane and the tenth spherical surface of convex surface, the 8th spherical surface and the 9th spherical surface are glued, and the 6th
Lens 6 are to be convex to object space spherical surface positive lens, including the 11st spherical surface of convex surface and the 12nd spherical surface of plane, the 7th lens 7 are to be convex to
Object space spherical surface positive lens, including the 13rd spherical surface of convex surface and the 14th spherical surface of plane, the 8th lens 8 are negative to object space spherical surface in parallel
Lens, including the 15th spherical surface of plane and the 16th spherical surface of concave surface, the 14th spherical surface and the 15th spherical surface are glued, the 9th lens 9
To be convex to object space spherical surface positive lens, including the 17th spherical surface of convex surface and the 18th spherical surface of plane, the tenth lens 10 are to be convex to object space
Spherical surface positive lens, including the 19th spherical surface of convex surface and the 20th spherical surface of convex surface, the 11st lens 11 are to concave towards object space spherical surface to bear thoroughly
Mirror, including the 21st spherical surface of concave surface and the 22nd spherical surface of concave surface, the 20th spherical surface and the 21st spherical surface are glued, diaphragm 12
Between the third lens 3 and the 4th lens 4, the 1 to the 11st lens 11 of the first lens are glass material.
Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens, lens are all made of ball
Face design, to correct various aberrations；Lens all use glass material, improve quality of lens itself, the clarity of camera lens；
Improve the service performance of camera lens.
As the improvement of technical solution, the refractive index of the first lens 1 is greater than 1.8 less than 1.9, and dispersion is greater than 20 less than 45；
The refractive index of second lens 2 is greater than 1.8 less than 1.9, and dispersion is greater than 20 less than 45；It is small that the refractive index of the third lens 3 is greater than 1.7
In 1.9, dispersion is greater than 20 less than 43；The refractive index of 4th lens 4 is greater than 1.6 less than 1.8, and dispersion is greater than 20 less than 35；5th
The refractive index of lens 5 is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；The refractive index of 6th lens 6 is greater than 1.8 and is less than
1.95, dispersion is greater than 25 less than 50；The refractive index of 7th lens 7 is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；8th
The refractive index of lens 8 is greater than 1.7 less than 1.9, and dispersion is greater than 20 less than 43；The refractive index of 9th lens 9 is greater than 1.8 and is less than
1.95, dispersion is greater than 25 less than 50；The refractive index of tenth lens 10 is greater than 1.8 less than 1.9, and dispersion is greater than 38 less than 45；Tenth
The refractive index of one lens 11 is greater than 1.6 less than 1.8, and dispersion is greater than 20 less than 35.
As the improvement of technical solution, the material of the first lens 1 is HZLAF68B CDGM, refractive index 1.883, dispersion
It is 40.8；The material of second lens 2 is HZLAF3CDGM, refractive index 1.855, dispersion 36.61；The material of the third lens 3
For HZF7LA CDGM, refractive index 1.805, dispersion 25.5；The material of 4th lens 4 is HZF3CDGM, and refractive index is
1.717, dispersion 29.5；The material of 5th lens 5 is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The
The material of six lens 6 is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of 7th lens 7 is
HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of 8th lens 8 is HZF12CDGM, and refractive index is
1.762, dispersion 26；The material of 9th lens 9 is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The
The material of ten lens 10 is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；The material of 11st lens 11 is
HZF11CDGM, refractive index 1.699, dispersion 30.1.
As the improvement of technical solution, the parameter of the camera lens is as follows:
Compact effective focal length 35mm provided by the invention, relative aperture F=0.95 digital camera APS picture camera lens
Effective focal length is f=35mm, relative aperture F=0.95.
As shown in Fig. 2, the diagonal line half for defining CMOS effective area is maximum image height, 1.0 visual fields are set as, for measurement
The spatial frequency of different image heights takes 0.8 visual field, 0.6 visual field, 0 visual field.CMOS diagonal line half is 14mm in the present embodiment, i.e.,
The image height of 1.0 visual fields, the image height of 0.8 visual field are 14*0.8=11.2, the image height 14*0.6=8.4 of 0.6 visual field, the picture of 0 visual field
A height of 0mm, as CMOS central point.
As shown in Figures 3 to 5, compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens
Spherical aberration be greater than negative 0.1mm and be less than positive 0.1mm, meridianal curvature of field and Sagittal field curvature are greater than negative 0.25mm, are less than positive 0.25mm, full
The relative illumination of the requirement of sufficient imaging performance, edge reaches 20%, meets imaging performance requirement.
Claims (4)
1. compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens, it is characterised in that: from object space
It successively include the first lens, the second lens, the third lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th thoroughly
Mirror, the 9th lens, the tenth lens and the 11st lens, the first lens are to be convex to object space spherical surface positive lens, including the first ball of convex surface
Face and the second spherical surface of convex surface, the second lens are to be convex to object space spherical surface positive lens, including convex surface third spherical surface and the 4th spherical surface of concave surface,
The third lens are to be convex to object space spherical surface negative lens, including the 5th spherical surface of convex surface and the 6th spherical surface of concave surface, the 4th lens are to concave towards object
Square spherical surface negative lens, including the 7th spherical surface of concave surface and the 8th spherical surface of plane, the 5th lens are in parallel to object space spherical surface positive lens, packet
The 9th spherical surface of plane and the tenth spherical surface of convex surface are included, the 8th spherical surface and the 9th spherical surface are glued, and the 6th lens are to be convex to object space spherical surface just
Lens, including the 11st spherical surface of convex surface and the 12nd spherical surface of plane, the 7th lens are to be convex to object space spherical surface positive lens, including convex surface
13rd spherical surface and the 14th spherical surface of plane, the 8th lens are in parallel to object space spherical surface negative lens, including the 15th spherical surface of plane
With the 16th spherical surface of concave surface, the 14th spherical surface and the 15th spherical surface are glued, the 9th lens be convex to object space spherical surface positive lens, including
The 17th spherical surface of convex surface and the 18th spherical surface of plane, the tenth lens are to be convex to object space spherical surface positive lens, including the 19th ball of convex surface
Face and the 20th spherical surface of convex surface, the 11st lens are to concave towards object space spherical surface negative lens, including the 21st spherical surface of concave surface and concave surface
22nd spherical surface, the 20th spherical surface and the 21st spherical surface are glued, and diaphragm is between the third lens and the 4th lens, and first
Lens to the 11st lens are glass material.
2. compact effective focal length 35mm described in accordance with the claim 1, relative aperture F=0.95 digital camera APS picture mirror
Head, it is characterised in that:
The refractive index of first lens is greater than 1.8 less than 1.9, and dispersion is greater than 20 less than 45；
The refractive index of second lens is greater than 1.8 less than 1.9, and dispersion is greater than 20 less than 45；
The refractive index of the third lens is greater than 1.7 less than 1.9, and dispersion is greater than 20 less than 43；
The refractive index of 4th lens is greater than 1.6 less than 1.8, and dispersion is greater than 20 less than 35；
The refractive index of 5th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；
The refractive index of 6th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；
The refractive index of 7th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；
The refractive index of 8th lens is greater than 1.7 less than 1.9, and dispersion is greater than 20 less than 43；
The refractive index of 9th lens is greater than 1.8 less than 1.95, and dispersion is greater than 25 less than 50；
The refractive index of tenth lens is greater than 1.8 less than 1.9, and dispersion is greater than 38 less than 45；
The refractive index of 11st lens is greater than 1.6 less than 1.8, and dispersion is greater than 20 less than 35.
3. compact effective focal length 35mm described in accordance with the claim 1, relative aperture F=0.95 digital camera APS picture mirror
Head, it is characterised in that:
The material of first lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of second lens is HZLAF3 CDGM, refractive index 1.855, dispersion 36.61；
The material of the third lens is HZF7LA CDGM, refractive index 1.805, dispersion 25.5；
The material of 4th lens is HZF3 CDGM, refractive index 1.717, dispersion 29.5；
The material of 5th lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of 6th lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of 7th lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of 8th lens is HZF12CDGM, refractive index 1.762, dispersion 26；
The material of 9th lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of tenth lens is HZLAF68B CDGM, refractive index 1.883, dispersion 40.8；
The material of 11st lens is HZF11 CDGM, refractive index 1.699, dispersion 30.1.
4. compact effective focal length 35mm described in accordance with the claim 1, relative aperture F=0.95 digital camera APS picture mirror
Head, it is characterised in that: the parameter of the camera lens is as follows:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710594095.8A CN107272156B (en) | 2017-07-20 | 2017-07-20 | Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710594095.8A CN107272156B (en) | 2017-07-20 | 2017-07-20 | Compact effective focal length 35mm, relative aperture F=0.95 digital camera APS picture camera lens |
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| CN107272156B true CN107272156B (en) | 2019-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2726264C1 (en) * | 2019-12-26 | 2020-07-10 | Публичное акционерное общество "Красногорский завод им. С.А. Зверева", ПАО КМЗ | Ultrafast photographic lens |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI756013B (en) * | 2020-12-11 | 2022-02-21 | 大立光電股份有限公司 | Imaging optical lens system, image capturing unit and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5151068B2 (en) * | 2006-05-23 | 2013-02-27 | 株式会社ニコン | Lens system and optical apparatus having the same |
| JP5434215B2 (en) * | 2009-02-03 | 2014-03-05 | 株式会社ニコン | Photographic lens and optical apparatus having the photographic lens |
| CN103913817A (en) * | 2014-03-27 | 2014-07-09 | 徐中一 | Ultra-large-aperture full-width lens for digital single-lens reflex camera |
| KR101802036B1 (en) * | 2015-11-05 | 2017-11-27 | 주식회사 삼양옵틱스 | Lens system and optical comprising the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2726264C1 (en) * | 2019-12-26 | 2020-07-10 | Публичное акционерное общество "Красногорский завод им. С.А. Зверева", ПАО КМЗ | Ultrafast photographic lens |
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