JPH0356612B2 - - Google Patents
Info
- Publication number
- JPH0356612B2 JPH0356612B2 JP6709183A JP6709183A JPH0356612B2 JP H0356612 B2 JPH0356612 B2 JP H0356612B2 JP 6709183 A JP6709183 A JP 6709183A JP 6709183 A JP6709183 A JP 6709183A JP H0356612 B2 JPH0356612 B2 JP H0356612B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- wide
- telephoto
- master
- angle
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/282—Autofocusing of zoom lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Structure And Mechanism Of Cameras (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6709183A JPS59193405A (ja) | 1983-04-18 | 1983-04-18 | 広角・望遠切替カメラの焦点調節装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6709183A JPS59193405A (ja) | 1983-04-18 | 1983-04-18 | 広角・望遠切替カメラの焦点調節装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59193405A JPS59193405A (ja) | 1984-11-02 |
JPH0356612B2 true JPH0356612B2 (el) | 1991-08-28 |
Family
ID=13334864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6709183A Granted JPS59193405A (ja) | 1983-04-18 | 1983-04-18 | 広角・望遠切替カメラの焦点調節装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59193405A (el) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01169441A (ja) * | 1987-12-25 | 1989-07-04 | Fuji Photo Film Co Ltd | 焦点距離切換えカメラ |
US6873473B2 (en) | 2002-08-22 | 2005-03-29 | Eastman Kodak Company | Two position variable focal length lens |
JP4408229B2 (ja) * | 2003-03-14 | 2010-02-03 | 富士フイルム株式会社 | 撮影装置およびレンズ鏡胴 |
JP4495934B2 (ja) * | 2003-03-31 | 2010-07-07 | フジノン株式会社 | デジタルカメラ |
JP4632814B2 (ja) * | 2005-03-04 | 2011-02-16 | 株式会社リコー | レンズ鏡胴、カメラおよび携帯型情報端末装置 |
JP2009080470A (ja) * | 2007-09-04 | 2009-04-16 | Olympus Corp | 入射光調節装置 |
JP2011013693A (ja) * | 2010-09-27 | 2011-01-20 | Ricoh Co Ltd | レンズ鏡胴、カメラおよび携帯型情報端末装置 |
-
1983
- 1983-04-18 JP JP6709183A patent/JPS59193405A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59193405A (ja) | 1984-11-02 |
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