JPS6488512A - Zoom lens - Google Patents
Zoom lensInfo
- Publication number
- JPS6488512A JPS6488512A JP63174851A JP17485188A JPS6488512A JP S6488512 A JPS6488512 A JP S6488512A JP 63174851 A JP63174851 A JP 63174851A JP 17485188 A JP17485188 A JP 17485188A JP S6488512 A JPS6488512 A JP S6488512A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- focal length
- structure body
- lens structure
- finder
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
- G02B15/1445—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative
- G02B15/144507—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative arranged -++-
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/072,945 US4756609A (en) | 1987-07-13 | 1987-07-13 | Four component compact zoom lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6488512A true JPS6488512A (en) | 1989-04-03 |
Family
ID=22110730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63174851A Pending JPS6488512A (en) | 1987-07-13 | 1988-07-13 | Zoom lens |
Country Status (6)
Country | Link |
---|---|
US (1) | US4756609A (ja) |
JP (1) | JPS6488512A (ja) |
KR (1) | KR890002686A (ja) |
GB (1) | GB2213956B (ja) |
HK (1) | HK83092A (ja) |
SG (1) | SG12192G (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0272316A (ja) * | 1988-09-07 | 1990-03-12 | Konica Corp | コンパクトなズームレンズ |
US5004329A (en) * | 1989-07-14 | 1991-04-02 | Olympus Optical Co., Ltd. | Vari-focal lens system |
JPH03240015A (ja) * | 1990-02-17 | 1991-10-25 | Canon Inc | ズームレンズ |
US5365376A (en) * | 1991-09-02 | 1994-11-15 | Canon Kabushiki Kaisha | Zoom lens |
JP2002098888A (ja) * | 2000-09-25 | 2002-04-05 | Sony Corp | 撮像レンズ |
JP2011209677A (ja) * | 2009-10-20 | 2011-10-20 | Fujifilm Corp | 撮像レンズおよび撮像装置 |
CN107861222A (zh) * | 2017-11-18 | 2018-03-30 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107976783A (zh) * | 2017-11-18 | 2018-05-01 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4818082A (en) * | 1988-05-27 | 1989-04-04 | Eastman Kodak Company | Compact wide-angle close-focus SLR zoom lens |
JP2582435B2 (ja) * | 1989-04-29 | 1997-02-19 | オリンパス光学工業株式会社 | 撮像光学系 |
US5264965A (en) * | 1991-02-15 | 1993-11-23 | Asahi Kogaku Kogyo Kabushiki Kaisha | Zoom lens |
US5483380A (en) * | 1992-10-26 | 1996-01-09 | Olympus Optical Co., Ltd. | Compact zoom lens system having high zoom ratio and wide view angle |
TW257837B (en) * | 1993-09-03 | 1995-09-21 | Canon Kk | Zoom lens |
KR100310435B1 (ko) * | 1993-12-22 | 2001-12-28 | 이중구 | 광각줌렌즈 |
TW319831B (ja) * | 1994-07-29 | 1997-11-11 | Canon Kk | |
JP3467086B2 (ja) * | 1994-08-29 | 2003-11-17 | オリンパス光学工業株式会社 | ズームレンズを備えたカメラ |
JP5775687B2 (ja) * | 2010-12-17 | 2015-09-09 | オリンパス株式会社 | 分光検出装置 |
JP2015166834A (ja) * | 2014-03-04 | 2015-09-24 | ソニー株式会社 | ズームレンズおよび撮像装置 |
CN104216097A (zh) * | 2014-08-04 | 2014-12-17 | 江苏卡罗卡国际动漫城有限公司 | 一种投影机物镜 |
TWI665488B (zh) | 2018-12-26 | 2019-07-11 | 大立光電股份有限公司 | 攝影光學系統、取像裝置及電子裝置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1158280B (de) * | 1960-08-17 | 1963-11-28 | Schneider Co Optische Werke | Vario-Vorsatz fuer photographische oder kinematographische Objektive |
US3532414A (en) * | 1966-09-03 | 1970-10-06 | Nippon Kogaku Kk | Continuous magnification lens system |
GB1214341A (en) * | 1968-06-06 | 1970-12-02 | Rank Organisation Ltd | Improvements in or relating to objectives of variable focal length |
JPS4923912B1 (ja) * | 1970-12-15 | 1974-06-19 | ||
US3697155A (en) * | 1971-08-02 | 1972-10-10 | Eastman Kodak Co | Compact zoom lens |
JPS492548A (ja) * | 1972-04-18 | 1974-01-10 | ||
US3901585A (en) * | 1973-10-23 | 1975-08-26 | Xerox Corp | Zoom lens assembly |
JPS5426754A (en) * | 1977-07-30 | 1979-02-28 | Asahi Optical Co Ltd | Zoom lens having small distorted aberration |
DE2831986C2 (de) * | 1978-07-20 | 1984-11-29 | Optische Werke G. Rodenstock, 8000 München | Reproduktionsobjektiv veränderbarer Brennweite mit konstantem Abstand zwischen Objekt- und Bildebene |
JPS5833531B2 (ja) * | 1980-06-05 | 1983-07-20 | コニカ株式会社 | 高変倍率ズ−ムレンズ |
JPS5719709A (en) * | 1980-07-11 | 1982-02-02 | Nippon Kogaku Kk <Nikon> | Zoom lens |
-
1987
- 1987-07-13 US US07/072,945 patent/US4756609A/en not_active Expired - Lifetime
-
1988
- 1988-07-09 KR KR1019880008524A patent/KR890002686A/ko not_active Application Discontinuation
- 1988-07-13 JP JP63174851A patent/JPS6488512A/ja active Pending
- 1988-07-13 GB GB8816626A patent/GB2213956B/en not_active Expired - Fee Related
-
1992
- 1992-02-11 SG SG121/92A patent/SG12192G/en unknown
- 1992-10-29 HK HK830/92A patent/HK83092A/xx not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0272316A (ja) * | 1988-09-07 | 1990-03-12 | Konica Corp | コンパクトなズームレンズ |
US5004329A (en) * | 1989-07-14 | 1991-04-02 | Olympus Optical Co., Ltd. | Vari-focal lens system |
JPH03240015A (ja) * | 1990-02-17 | 1991-10-25 | Canon Inc | ズームレンズ |
US5365376A (en) * | 1991-09-02 | 1994-11-15 | Canon Kabushiki Kaisha | Zoom lens |
JP2002098888A (ja) * | 2000-09-25 | 2002-04-05 | Sony Corp | 撮像レンズ |
JP2011209677A (ja) * | 2009-10-20 | 2011-10-20 | Fujifilm Corp | 撮像レンズおよび撮像装置 |
CN107861222A (zh) * | 2017-11-18 | 2018-03-30 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107976783A (zh) * | 2017-11-18 | 2018-05-01 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107861222B (zh) * | 2017-11-18 | 2020-02-04 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
CN107976783B (zh) * | 2017-11-18 | 2020-02-18 | 瑞声科技(新加坡)有限公司 | 摄像光学镜头 |
Also Published As
Publication number | Publication date |
---|---|
GB2213956B (en) | 1991-11-20 |
GB8816626D0 (en) | 1988-08-17 |
KR890002686A (ko) | 1989-04-11 |
US4756609A (en) | 1988-07-12 |
HK83092A (en) | 1992-11-06 |
SG12192G (en) | 1992-04-16 |
GB2213956A (en) | 1989-08-23 |
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