CN104076486B - Full-width lens of digital camera - Google Patents
Full-width lens of digital camera Download PDFInfo
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- CN104076486B CN104076486B CN201410337507.6A CN201410337507A CN104076486B CN 104076486 B CN104076486 B CN 104076486B CN 201410337507 A CN201410337507 A CN 201410337507A CN 104076486 B CN104076486 B CN 104076486B
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- 230000011514 reflex Effects 0.000 claims abstract description 16
- 239000006185 dispersion Substances 0.000 claims description 32
- 239000000463 material Substances 0.000 description 36
- 239000011521 glass Substances 0.000 description 20
- 230000000007 visual effect Effects 0.000 description 7
- 230000004075 alteration Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
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Abstract
The invention discloses an extra-large aperture full-width lens of a digital single-lens reflex camera. The specification of the extra-large aperture full-width lens of the digital single-lens reflex camera is 85 mmf1.2. The lens sequentially comprises a first lens body, a second lens body, a third lens body, a fourth lens body, a fifth lens body, a sixth lens body, a seventh lens body and an eighth lens body from the object space. The first lens body, the second lens body, the third lens body, the sixth lens body and the eighth lens body are respectively a spherical surface plus lens body protruding towards the object space, the fourth lens body is a spherical surface plus lens parallel to the object space, and the fifth lens body and the seventh lens body are respectively a spherical minus lens concaving towards the object space. The full-width lens of the digital single-lens reflex camera is of a medium focus length, and is extra large in aperture, delicate in appearance and extremely high in cost performance.
Description
Technical field
The present invention relates to a kind of digital single-lens reflex camera camera lens, specifically a kind of specification is the digital single anti-phase of 85mmf1.2
Machine super large aperture full width camera lens.
Background technology
In digital camera equipment, there is blank in the production design of domestic camera lens.But, domestic fan is numerous, needs
The amount of asking is big.In existing lens design, such as Nikon, Canon guest must wait the 85mmf1.2 of manufacturer production, and price is high, and cost performance is low, right
The economy of vast commonness photograph fan is a white elephant.
Content of the invention
In view of the shortcoming present in above-mentioned prior art, it is an object of the invention to provide a image quality is high, sexual valence
Ratio is high, full width camera lens large aperture, has independent intellectual property right, and the exquisite specification of outward appearance is that the digital single-lens reflex camera of 85mmf1.2 surpasses
Large aperture full width camera lens.
Realization the technical scheme is that：A kind of digital single-lens reflex camera super large aperture full width camera lens, it is from object space successively
Including the first lens, the second lens, the 3rd lens the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens.The
One lens are to be convex to object space sphere positive lens, and including the first sphere (convex surface) and the second sphere (concave surface), the second lens are to be convex to
Object space sphere positive lens, including the 3rd (convex surface) sphere and the 4th sphere (concave surface), the 3rd lens are just saturating for being convex to object space sphere
Mirror, including the 5th sphere (convex surface) and the 6th sphere (plane), the 4th lens be parallel to object space sphere positive lens, including the 7th
((concave surface), the 6th sphere and the 7th sphere are glued, and the 5th lens are to concave towards object space sphere to bear thoroughly for sphere (plane) and the 8th sphere
Mirror, including the 9th sphere (concave surface) and the tenth sphere (concave surface), the 6th lens are to be convex to object space sphere positive lens, including the 11st
Sphere (convex surface) and the 12nd sphere (convex surface), the tenth sphere and the 11st sphere are glued, and the 7th lens are to concave towards object space sphere
Negative lens, including the 13rd sphere (concave surface) and the 14th sphere (convex surface), the 8th lens are to be convex to object space sphere positive lens, bag
Include the 15th sphere (convex surface) and the 16th sphere (convex surface).First lens to the 8th lens are all the Chengdu light limited public affairs of photoelectricity
The glass material that department produces.The refractive index of the first lens is more than 1.8 and is less than 1.9, and its dispersion is more than 20 and is less than 25；Preferably should
The material of the first lens is the glass material that model is HZF52A, and refractive index is 1.84666, and its dispersion is 23.83.Second lens
Refractive index be more than 1.4 be less than 1.5, its dispersion be more than 80 be less than 83；The material being preferably this second lens for model is
The glass material of HFK61, refractive index 1.497, its dispersion is 81.61.The refractive index of the 3rd lens is more than 1.4 and is less than 1.5, its color
Dissipate and be less than 83 more than 80；The material being preferably the 3rd lens is the glass material of HFK61 for model, and refractive index is 1.497,
Its dispersion is 81.61.The refractive index of the 4th lens is more than 1.8 and is less than 1.9, and its dispersion is more than 20 and is less than 25；Be preferably this
The material of four lens is the glass material that model is HZF52A, and refractive index is 1.84666, and its dispersion is 23.83.5th lens
Refractive index is more than 1.7 and is less than 1.8, and its dispersion is more than 25 and is less than 30；The material being preferably the 5th lens is HZF31 for model
Glass material, refractive index 1.7484, its dispersion be 27.72.The refractive index of the 6th lens is more than 1.8 and is less than 1.83, its dispersion
It is less than 40 more than 38；The material being preferably the 6th lens is the glass material of HZLAF50B for model, and refractive index is
1.804, its dispersion is 39.59.The refractive index of the 7th lens is more than 1.8 and is less than 1.9, and its dispersion is more than 20 and is less than 25；Preferably
For the 7th lens material for model be HZF52A glass material, refractive index be 1.84666, its dispersion be 23.83.8th
The refractive index of lens is more than 1.8 and is less than 1.85, and its dispersion is more than 40 and is less than 45；The material being preferably the 8th lens is model
It is the glass material of HZLAF32C, refractive index is 1.83565, its dispersion is 42.29.
This lens parameters is：
It is an advantage of the current invention that：Eyeglass, all using spherical design, to revise various aberrations, also can avoid because adopting sphere
Mirror and the aberration of sphere that produces, simplify structure and improve image quality.Eyeglass all using glass material, improves eyeglass
Quality itself, the definition of camera lens.Improve the serviceability of camera lens.
Brief description
Fig. 1 is the lens structure schematic diagram of digital camera full width camera lens of the present invention.
Fig. 2 is the MTF figure of digital camera full width camera lens of the present invention.
Fig. 3 is the curvature of field figure of digital camera full width camera lens of the present invention.
Fig. 4 is the optical distortion figure of digital camera full width camera lens of the present invention.
Fig. 5 is the relative illumination figure of digital camera full width camera lens of the present invention.
In figure 1 is the first lens, and 2 is the second lens, and 3 is the 3rd lens, and 4 is the 4th lens, and 5 is the 5th lens, and 6 is the
Six lens, 7 is the 7th lens, and 8 is the 8th lens, and 9 is image planes, and 10 is light bar face.
Specific embodiment
Referring to shown in Fig. 1 to Fig. 5, the present invention is a kind of 85mmf1.2 digital single-lens reflex camera super large aperture full width camera lens, its
Include the first lens (1) from object space successively, the second lens (2), the 3rd lens (3), the 4th lens (4), the 5th lens (5),
Six lens (6), the 7th lens (7), the 8th lens (8).First lens (1) are to be convex to object space sphere positive lens, including the first ball
Face (convex surface) and the second sphere (concave surface), the second lens (2) are to be convex to object space sphere positive lens, include the 3rd (convex surface) sphere and
4th sphere (concave surface), the 3rd lens (3) are to be convex to object space sphere positive lens, including the 5th sphere (convex surface) and the 6th sphere
(plane), the 4th lens (4) be parallel to object space sphere positive lens, include the 7th sphere (plane) and the 8th sphere ((concave surface),
6th sphere and the 7th sphere are glued, and the 5th lens (5) are to concave towards object space sphere negative lens, include the 9th sphere (concave surface) and the
Ten spheres (concave surface), the 6th lens (6) are to be convex to object space sphere positive lens, including the 11st sphere (convex surface) and the 12nd sphere
(convex surface), the tenth sphere and the 11st sphere are glued, and the 7th lens (7) are to concave towards object space sphere negative lens, including the 13rd ball
Face (concave surface) and the 14th sphere (convex surface), the 8th lens (8) are to be convex to object space sphere positive lens, (convex including the 15th sphere
Face) and the 16th sphere (convex surface).First lens (1) to the 8th lens (8) are all what Chengdu light Photoelectric Co., Ltd. produced
Glass material.The refractive index of the first lens (1) is more than 1.8 and is less than 1.9, and its dispersion is more than 20 and is less than 25；Be preferably this first
The material of lens (1) is the glass material of HZF52A for model, and refractive index is 1.84666, and its dispersion is 23.83.Second lens
(2) material is the glass material that model is HFK61, refractive index 1.497, and its dispersion is 81.61.The material of the 3rd lens (3)
It is the glass material of HFK61 for model, refractive index is 1.497, its dispersion is 81.61.The material of the 4th lens (4) for model is
The glass material of HZF52A, refractive index is 1.84666, and its dispersion is 23.83.The material of the 5th lens (5) is HZF31 for model
Glass material, refractive index 1.7484, its dispersion be 27.72.The material of the 6th lens (6) is the glass of HZLAF50B for model
Material, refractive index is 1.804, and its dispersion is 39.59.The material of the 7th lens (7) is the glass material of HZF52A for model, folding
Rate of penetrating is 1.84666, and its dispersion is 23.83.The material of the 8th lens (8) is the glass material of HZLAF32C for model, refraction
Rate is 1.83565, and its dispersion is 42.29.
This lens parameters is：
The effective focal length of the present invention is f=85mm, and relative aperture is the full filed angle of the whole optical system of F=1.2. is 29
Degree, its camera lens overall length is 88mm so as to the serviceability of camera lens can effectively be improved.
Refer to Fig. 2, the diagonal half defining CMOS effective area is maximum image height, is set to 1.0 visual fields, for measurement not
With the spatial frequency of image height, take 0.8 visual field, 0.6 visual field, 0 visual field.In the present embodiment, CMOS diagonal half is 21.6mm, that is,
The image height of 1.0 visual fields, the image height of 0.8 visual field is 21.6*0.8=17.28, the image height 21.6*0.6=12.96 of 0.6 visual field, and 0 regards
The image height of field is 0mm, as CMOS central point.
Refer to Fig. 3 to Fig. 5, digital camera full width camera lens meridianal curvature of field and Sagittal field curvature are more than negative 0.25mm, are less than
0.25mm, optical distortion is more than -1.5% and is less than+1.5%, is satisfied by the requirement of imaging performance.The relative illumination at its edge reaches
20%, meet imaging performance requirement.It is appreciated that digital camera full width camera lens of the present invention can improve camera PDA completely
The serviceability of equipment such as (personal digital assistant).The advantage of this digital camera full width camera lens is：Light
Circle super large, outward appearance is exquisite.And cost performance is high.Compare prior art, the digital camera full width angle of view of the present invention reaches 29 degree,
Aperture is up to f1.2；Eyeglass, all using spherical design, to revise various aberrations, also can avoid because being produced using spherical mirror
Sphere aberration, simplify structure and improve image quality.Eyeglass all using glass material, improves matter of eyeglass itself
Amount, the definition of camera lens.Improve the serviceability of camera lens.
Claims (9)
1. a kind of digital single-lens reflex camera super large aperture full width camera lens it is characterised in that：A kind of digital camera full width camera lens, it is from thing
Fang Yici includes the first lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, and the 8th
Lens；First lens are to be convex to object space sphere positive lens, include the second sphere of the first sphere of convex surface and concave surface, the second lens
For being convex to object space sphere positive lens, including the 4th sphere of the 3rd sphere and the concave surface of convex surface, the 3rd lens are to be convex to object space ball
Face positive lens, the 5th sphere including convex surface and the 6th sphere of plane, the 4th lens are parallel to object space sphere negative lens, bag
Include the 7th sphere of plane and the 8th sphere of concave surface, the 6th sphere and the 7th sphere are glued, and the 5th lens are to concave towards object space ball
Face negative lens, the 9th sphere including concave surface and the tenth sphere of concave surface, the 6th lens are to be convex to object space sphere positive lens, including
11st sphere of convex surface and the 12nd sphere of convex surface, the tenth sphere and the 11st sphere are glued, and the 7th lens are to concave towards thing
Square sphere negative lens, the 13rd sphere including concave surface and the 14th sphere of convex surface, the 8th lens are just to be convex to object space sphere
Lens, the 15th sphere including convex surface and the 16th sphere of convex surface.
2. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 1 it is characterised in that：First lens
Refractive index be more than 1.8 be less than 1.9, its dispersion be more than 20 be less than 25.
3. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 2 it is characterised in that：Second lens
Refractive index be more than 1.4 be less than 1.5, its dispersion be more than 80 be less than 83.
4. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 3 it is characterised in that：3rd lens
Refractive index be more than 1.4 be less than 1.5, its dispersion be more than 80 be less than 83.
5. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 4 it is characterised in that：4th lens
Refractive index be more than 1.8 be less than 1.9, its dispersion be more than 20 be less than 25.
6. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 5 it is characterised in that：5th lens
Refractive index be more than 1.7 be less than 1.8, its dispersion be more than 25 be less than 30.
7. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 6 it is characterised in that：6th lens
Refractive index be more than 1.8 be less than 1.83, its dispersion be more than 38 be less than 40.
8. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 7 it is characterised in that：7th lens
Refractive index be more than 1.8 be less than 1.9, its dispersion be more than 20 be less than 25.
9. a kind of digital single-lens reflex camera super large aperture full width camera lens according to claim 8 it is characterised in that：8th lens
Refractive index be more than 1.8 be less than 1.85, its dispersion be more than 40 be less than 45.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410337507.6A CN104076486B (en) | 2014-01-25 | 2014-07-15 | Full-width lens of digital camera |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014100362252 | 2014-01-25 | ||
| CN201410036225.2 | 2014-01-25 | ||
| CN201410036225 | 2014-01-25 | ||
| CN201410337507.6A CN104076486B (en) | 2014-01-25 | 2014-07-15 | Full-width lens of digital camera |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104076486A CN104076486A (en) | 2014-10-01 |
| CN104076486B true CN104076486B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410337507.6A Expired - Fee Related CN104076486B (en) | 2014-01-25 | 2014-07-15 | Full-width lens of digital camera |
| CN201410491965.5A Pending CN104252033A (en) | 2014-01-25 | 2014-09-22 | APS-C telephoto lens for digital mirrorless camera |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410491965.5A Pending CN104252033A (en) | 2014-01-25 | 2014-09-22 | APS-C telephoto lens for digital mirrorless camera |
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| CN (2) | CN104076486B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104360461B (en) * | 2014-12-01 | 2016-08-24 | 东莞市奥普特自动化科技有限公司 | Lens combination structure and there is the machine visual lens of this structure |
| CN104730692B (en) * | 2015-03-09 | 2017-01-18 | 沈阳师范大学 | Full-frame lens of micro single-lens reflex camera |
| CN105403982B (en) * | 2015-12-28 | 2017-12-22 | 中山联合光电科技股份有限公司 | It is a kind of high as matter is used for unmanned plane optical imaging lens |
| CN105759403B (en) * | 2016-04-19 | 2022-09-13 | 深圳市点睛创视技术有限公司 | Miniature projection lens |
| CN108897131B (en) * | 2018-09-07 | 2023-06-06 | 福建福光股份有限公司 | Eye protection ocular with large exit pupil diameter and large eye point distance |
| CN110501809B (en) * | 2019-09-20 | 2021-07-23 | 沈阳中一光学科技有限公司 | Full-frame macro lens of digital camera |
| CN111596532B (en) * | 2020-06-19 | 2024-05-24 | 深圳珑璟光电技术有限公司 | Double telecentric lens and digital projection lithography system |
| CN113219629B (en) * | 2021-04-28 | 2023-06-13 | 长光卫星技术股份有限公司 | Space luminous remote sensing optical lens |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001318309A (en) * | 2000-05-12 | 2001-11-16 | Canon Inc | Photographing lens and optical apparatus using it |
| KR20090087422A (en) * | 2008-02-12 | 2009-08-17 | 가부시키가이샤 니콘 | Image taking lens, optical apparatus having image taking lens, and method of manufacturing image taking lens |
| JP5151524B2 (en) * | 2008-02-12 | 2013-02-27 | 株式会社ニコン | PHOTOGRAPHIC LENS, OPTICAL DEVICE EQUIPPED WITH THIS PHOTOGRAPHIC LENS, AND IMAGE-FORMING METHOD |
| JP5578946B2 (en) * | 2010-06-02 | 2014-08-27 | キヤノン株式会社 | Optical system and optical apparatus having the same |
| JP5791480B2 (en) * | 2011-11-30 | 2015-10-07 | キヤノン株式会社 | Optical system and optical apparatus having the same |
-
2014
- 2014-07-15 CN CN201410337507.6A patent/CN104076486B/en not_active Expired - Fee Related
- 2014-09-22 CN CN201410491965.5A patent/CN104252033A/en active Pending
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| Publication number | Publication date |
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| CN104076486A (en) | 2014-10-01 |
| CN104252033A (en) | 2014-12-31 |
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Effective date of registration: 20220531 Address after: 110000 No.1, Honghu 1st Street, Shenyang Economic and Technological Development Zone, Liaoning Province Patentee after: SHENYANG ZHONGYI OPTICAL TECHNOLOGY CO.,LTD. Address before: 8-4-2, No. 10, Shaoxing street, Heping District, Shenyang, Liaoning 110001 Patentee before: Xu Zhongyi |
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Granted publication date: 20170208 |