JPS6326364B2 - - Google Patents
Info
- Publication number
- JPS6326364B2 JPS6326364B2 JP10109680A JP10109680A JPS6326364B2 JP S6326364 B2 JPS6326364 B2 JP S6326364B2 JP 10109680 A JP10109680 A JP 10109680A JP 10109680 A JP10109680 A JP 10109680A JP S6326364 B2 JPS6326364 B2 JP S6326364B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- curvature
- radius
- condition
- 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 2
- 239000002131 composite material Substances 0.000 claims 1
- 230000004075 alteration Effects 0.000 description 17
- 239000006059 cover glass Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000002834 transmittance 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 -
- G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10109680A JPS5726815A (en) | 1980-07-25 | 1980-07-25 | Objective lens for video disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10109680A JPS5726815A (en) | 1980-07-25 | 1980-07-25 | Objective lens for video disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5726815A JPS5726815A (en) | 1982-02-13 |
| JPS6326364B2 true JPS6326364B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-05-30 |
Family
ID=14291554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10109680A Granted JPS5726815A (en) | 1980-07-25 | 1980-07-25 | Objective lens for video disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5726815A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3220408C2 (de) * | 1982-05-29 | 1985-05-15 | Optische Werke G. Rodenstock, 8000 München | Abtastobjektiv |
| JPS58219511A (ja) * | 1982-06-16 | 1983-12-21 | Olympus Optical Co Ltd | 光デイスク用レンズ |
| JPS607413A (ja) * | 1983-06-28 | 1985-01-16 | Matsushita Electric Ind Co Ltd | ビ−ム集光用レンズ |
| JPS60247212A (ja) * | 1984-05-14 | 1985-12-06 | Alps Electric Co Ltd | 光ピツクアツプ用対物レンズ |
| JPH07119889B2 (ja) * | 1985-09-20 | 1995-12-20 | コニカ株式会社 | 光情報記録媒体の記録・再生光学系用集光光学系 |
| JPS62245212A (ja) * | 1986-04-18 | 1987-10-26 | Konika Corp | コリメ−タ−レンズ |
-
1980
- 1980-07-25 JP JP10109680A patent/JPS5726815A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5726815A (en) | 1982-02-13 |