JPH0416763B2 - - Google Patents
Info
- Publication number
- JPH0416763B2 JPH0416763B2 JP56185210A JP18521081A JPH0416763B2 JP H0416763 B2 JPH0416763 B2 JP H0416763B2 JP 56185210 A JP56185210 A JP 56185210A JP 18521081 A JP18521081 A JP 18521081A JP H0416763 B2 JPH0416763 B2 JP H0416763B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- objective lens
- curvature
- positive
- 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 4
- 230000004075 alteration Effects 0.000 description 18
- 230000006866 deterioration Effects 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000006059 cover glass Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
-
- 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)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Lenses (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56185210A JPS5887521A (ja) | 1981-11-20 | 1981-11-20 | ビデオデイスク等の再生用対物レンズ |
| DE8282306083T DE3269703D1 (en) | 1981-11-20 | 1982-11-16 | An objective lens for the reproduction of video discs or the like |
| EP82306083A EP0081915B1 (en) | 1981-11-20 | 1982-11-16 | An objective lens for the reproduction of video discs or the like |
| US06/443,238 US4484803A (en) | 1981-11-20 | 1982-11-22 | Objective lens for regenerating a video disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56185210A JPS5887521A (ja) | 1981-11-20 | 1981-11-20 | ビデオデイスク等の再生用対物レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5887521A JPS5887521A (ja) | 1983-05-25 |
| JPH0416763B2 true JPH0416763B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-03-25 |
Family
ID=16166791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56185210A Granted JPS5887521A (ja) | 1981-11-20 | 1981-11-20 | ビデオデイスク等の再生用対物レンズ |
Country Status (4)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59174810A (ja) * | 1983-03-24 | 1984-10-03 | Nippon Kogaku Kk <Nikon> | 対物レンズ |
| JPS60189702A (ja) * | 1984-03-09 | 1985-09-27 | Hitachi Ltd | プリズム光学系およびそれを用いた情報装置 |
| JPS6215516A (ja) * | 1985-07-15 | 1987-01-23 | Tokinaa Kogaku Kk | コリメ−タレンズ |
| FR2642883B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-02-09 | 1995-06-02 | Asahi Optical Co Ltd | |
| JP2784041B2 (ja) * | 1989-05-31 | 1998-08-06 | 株式会社リコー | 光ディスク用対物レンズ |
| US7023622B2 (en) * | 2002-08-06 | 2006-04-04 | Dmetrix, Inc. | Miniature microscope objective lens |
| WO2006117411A1 (es) * | 2005-04-29 | 2006-11-09 | Autotech Engineering, A.I.E. | Traviesa de parachoques y método para su fabricación |
| KR102806991B1 (ko) * | 2019-05-06 | 2025-05-12 | 최진영 | 촬상 광학계 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1620339A (en) * | 1926-05-20 | 1927-03-08 | Eastman Kodak Co | Projection objective |
| FR728328A (fr) * | 1931-12-16 | 1932-07-04 | Madiavox | Système optique de projection d'un spot, corrigé des aberrations sphériques, comatiques et chromatiques |
| JPS5118557A (en) * | 1974-07-22 | 1976-02-14 | Olympus Optical Co | Bideo deisukuyotaibutsurenzu |
| JPS6049288B2 (ja) * | 1977-11-09 | 1985-11-01 | オリンパス光学工業株式会社 | ビデオデイスク用再生対物レンズ |
| JPS6049289B2 (ja) * | 1978-06-26 | 1985-11-01 | オリンパス光学工業株式会社 | ビデオデスク用の集光レンズ |
-
1981
- 1981-11-20 JP JP56185210A patent/JPS5887521A/ja active Granted
-
1982
- 1982-11-16 DE DE8282306083T patent/DE3269703D1/de not_active Expired
- 1982-11-16 EP EP82306083A patent/EP0081915B1/en not_active Expired
- 1982-11-22 US US06/443,238 patent/US4484803A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3269703D1 (en) | 1986-04-10 |
| EP0081915A1 (en) | 1983-06-22 |
| EP0081915B1 (en) | 1986-03-05 |
| US4484803A (en) | 1984-11-27 |
| JPS5887521A (ja) | 1983-05-25 |