JPH1184232A5 - - Google Patents
Info
- Publication number
- JPH1184232A5 JPH1184232A5 JP1997251452A JP25145297A JPH1184232A5 JP H1184232 A5 JPH1184232 A5 JP H1184232A5 JP 1997251452 A JP1997251452 A JP 1997251452A JP 25145297 A JP25145297 A JP 25145297A JP H1184232 A5 JPH1184232 A5 JP H1184232A5
- Authority
- JP
- Japan
- Prior art keywords
- lens
- group
- lens group
- negative
- power overall
- 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.)
- Pending
Links
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251452A JPH1184232A (ja) | 1997-09-02 | 1997-09-02 | 広角レンズ |
| US09/048,221 US6075657A (en) | 1997-09-02 | 1998-03-26 | Wide-angle lens system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251452A JPH1184232A (ja) | 1997-09-02 | 1997-09-02 | 広角レンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1184232A JPH1184232A (ja) | 1999-03-26 |
| JPH1184232A5 true JPH1184232A5 (enExample) | 2005-05-19 |
Family
ID=17223045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9251452A Pending JPH1184232A (ja) | 1997-09-02 | 1997-09-02 | 広角レンズ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6075657A (enExample) |
| JP (1) | JPH1184232A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4757990B2 (ja) * | 2000-10-25 | 2011-08-24 | リコー光学株式会社 | 投射用レンズ |
| JP2003098429A (ja) | 2001-09-26 | 2003-04-03 | Fuji Photo Optical Co Ltd | 電子スチルカメラ用単焦点レンズ |
| JP4349553B2 (ja) * | 2002-01-17 | 2009-10-21 | フジノン株式会社 | バックフォーカスの長い固定焦点の広角レンズ |
| JP4862263B2 (ja) * | 2004-03-31 | 2012-01-25 | 株式会社ニコン | 超広角レンズ、該超広角レンズを備えた撮影装置 |
| JP5642894B2 (ja) * | 2012-02-06 | 2014-12-17 | 富士フイルム株式会社 | 超広角レンズおよびこれを用いた撮像装置 |
| CN105807400B (zh) * | 2016-05-23 | 2018-02-02 | 深圳市东正光学技术有限公司 | 单反相机超大光圈广角镜头 |
| JP7697217B2 (ja) * | 2021-02-01 | 2025-06-24 | 株式会社リコー | 単焦点レンズ、交換レンズ及び撮像装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5826001B2 (ja) * | 1975-06-30 | 1983-05-31 | オリンパス光学工業株式会社 | レトロフオ−カスガタチヨウコクカクレンズ |
| JPS5325430A (en) * | 1976-08-20 | 1978-03-09 | Nippon Chemical Ind | Wide angle photographic lens |
| JPS5651709A (en) * | 1979-10-03 | 1981-05-09 | Minolta Camera Co Ltd | Reverse telephoto type wide angle lens |
| JPH0820593B2 (ja) * | 1986-12-15 | 1996-03-04 | オリンパス光学工業株式会社 | バツクフオ−カスの長い広角レンズ |
| JP2729851B2 (ja) * | 1990-08-04 | 1998-03-18 | 富士写真光機株式会社 | レトロフォーカス型広角レンズ |
-
1997
- 1997-09-02 JP JP9251452A patent/JPH1184232A/ja active Pending
-
1998
- 1998-03-26 US US09/048,221 patent/US6075657A/en not_active Expired - Lifetime
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