JPH0412442B2 - - Google Patents
Info
- Publication number
- JPH0412442B2 JPH0412442B2 JP58172116A JP17211683A JPH0412442B2 JP H0412442 B2 JPH0412442 B2 JP H0412442B2 JP 58172116 A JP58172116 A JP 58172116A JP 17211683 A JP17211683 A JP 17211683A JP H0412442 B2 JPH0412442 B2 JP H0412442B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group lens
- object side
- group
- condition
- 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 - Lifetime
Links
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 -
- G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
- G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +
- G02B9/16—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + all the components being simple
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17211683A JPS6064318A (ja) | 1983-09-20 | 1983-09-20 | 光情報記録・再生用対物レンズ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17211683A JPS6064318A (ja) | 1983-09-20 | 1983-09-20 | 光情報記録・再生用対物レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6064318A JPS6064318A (ja) | 1985-04-12 |
JPH0412442B2 true JPH0412442B2 (enrdf_load_stackoverflow) | 1992-03-04 |
Family
ID=15935847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17211683A Granted JPS6064318A (ja) | 1983-09-20 | 1983-09-20 | 光情報記録・再生用対物レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6064318A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008077693A (ja) * | 2006-08-21 | 2008-04-03 | Konica Minolta Opto Inc | 対物レンズ及び光ピックアップ装置 |
CN107272141B (zh) * | 2016-04-06 | 2019-06-14 | 大立光电股份有限公司 | 光学系统镜组、取像装置及电子装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5745512A (en) * | 1980-09-02 | 1982-03-15 | Olympus Optical Co Ltd | Lens for video disk |
JPS5831512U (ja) * | 1981-08-24 | 1983-03-01 | 株式会社三協精機製作所 | 光磁気デイスク用対物レンズ |
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1983
- 1983-09-20 JP JP17211683A patent/JPS6064318A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6064318A (ja) | 1985-04-12 |