JPS6131448B2 - - Google Patents
Info
- Publication number
- JPS6131448B2 JPS6131448B2 JP11317681A JP11317681A JPS6131448B2 JP S6131448 B2 JPS6131448 B2 JP S6131448B2 JP 11317681 A JP11317681 A JP 11317681A JP 11317681 A JP11317681 A JP 11317681A JP S6131448 B2 JPS6131448 B2 JP S6131448B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- focal length
- light source
- spherical aberration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005499 meniscus Effects 0.000 claims description 7
- 230000004075 alteration Effects 0.000 description 28
- 238000010586 diagram Methods 0.000 description 7
- 206010010071 Coma Diseases 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000006059 cover glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008120 lens development in camera-type eye Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/34—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/24—Optical objectives specially designed for the purposes specified below for reproducing or copying at short object distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11317681A JPS5814809A (ja) | 1981-07-20 | 1981-07-20 | ビデオデイスク用対物レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11317681A JPS5814809A (ja) | 1981-07-20 | 1981-07-20 | ビデオデイスク用対物レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5814809A JPS5814809A (ja) | 1983-01-27 |
JPS6131448B2 true JPS6131448B2 (ru) | 1986-07-21 |
Family
ID=14605473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11317681A Granted JPS5814809A (ja) | 1981-07-20 | 1981-07-20 | ビデオデイスク用対物レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5814809A (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111158120B (zh) * | 2018-03-19 | 2022-05-24 | 玉晶光电(厦门)有限公司 | 光学成像镜头 |
-
1981
- 1981-07-20 JP JP11317681A patent/JPS5814809A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5814809A (ja) | 1983-01-27 |
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