JPS6014214A - 広画角を含むズ−ムレンズ - Google Patents
広画角を含むズ−ムレンズInfo
- Publication number
- JPS6014214A JPS6014214A JP58122857A JP12285783A JPS6014214A JP S6014214 A JPS6014214 A JP S6014214A JP 58122857 A JP58122857 A JP 58122857A JP 12285783 A JP12285783 A JP 12285783A JP S6014214 A JPS6014214 A JP S6014214A
- Authority
- JP
- Japan
- Prior art keywords
- lens group
- lens
- focusing
- zoom
- refractive power
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 9
- 230000004075 alteration Effects 0.000 abstract description 52
- 230000008859 change Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 201000009310 astigmatism Diseases 0.000 description 4
- 206010010071 Coma Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 208000001644 thecoma Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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
- G02B15/1441—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 positive
- G02B15/144113—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 positive arranged +-++
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58122857A JPS6014214A (ja) | 1983-07-06 | 1983-07-06 | 広画角を含むズ−ムレンズ |
US06/626,989 US4632519A (en) | 1983-07-06 | 1984-07-02 | Zoom lens including a wide angle of view |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58122857A JPS6014214A (ja) | 1983-07-06 | 1983-07-06 | 広画角を含むズ−ムレンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6014214A true JPS6014214A (ja) | 1985-01-24 |
JPH0430564B2 JPH0430564B2 (enrdf_load_stackoverflow) | 1992-05-22 |
Family
ID=14846356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58122857A Granted JPS6014214A (ja) | 1983-07-06 | 1983-07-06 | 広画角を含むズ−ムレンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6014214A (enrdf_load_stackoverflow) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61260210A (ja) * | 1985-05-15 | 1986-11-18 | Olympus Optical Co Ltd | ズ−ムレンズ |
US4942197A (en) * | 1987-05-28 | 1990-07-17 | Toyo Tire & Rubber Co., Ltd. | Rubber composition for tire tread |
JPH04158326A (ja) * | 1990-10-22 | 1992-06-01 | Canon Inc | ズームレンズ |
JPH08248319A (ja) * | 1995-03-13 | 1996-09-27 | Canon Inc | ズームレンズ |
US5859729A (en) * | 1996-01-06 | 1999-01-12 | Canon Kabushiki Kaisha | Zoom lens device with four lens unit |
JPWO2015040867A1 (ja) * | 2013-09-20 | 2017-03-02 | パナソニックIpマネジメント株式会社 | 撮像光学系 |
JPWO2016194111A1 (ja) * | 2015-06-01 | 2018-03-22 | オリンパス株式会社 | 単焦点光学系及びそれを備えた光学装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188243A (enrdf_load_stackoverflow) * | 1974-12-20 | 1976-08-02 | ||
JPS5382434A (en) * | 1976-12-28 | 1978-07-20 | Seiko Epson Corp | Surface covered plastic spectacle lens |
JPS55140810A (en) * | 1979-04-20 | 1980-11-04 | Canon Inc | Telephoto lens |
JPS5866908A (ja) * | 1981-10-16 | 1983-04-21 | Canon Inc | コンパクトな望遠ズ−ムレンズ |
-
1983
- 1983-07-06 JP JP58122857A patent/JPS6014214A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5188243A (enrdf_load_stackoverflow) * | 1974-12-20 | 1976-08-02 | ||
JPS5382434A (en) * | 1976-12-28 | 1978-07-20 | Seiko Epson Corp | Surface covered plastic spectacle lens |
JPS55140810A (en) * | 1979-04-20 | 1980-11-04 | Canon Inc | Telephoto lens |
JPS5866908A (ja) * | 1981-10-16 | 1983-04-21 | Canon Inc | コンパクトな望遠ズ−ムレンズ |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61260210A (ja) * | 1985-05-15 | 1986-11-18 | Olympus Optical Co Ltd | ズ−ムレンズ |
US4942197A (en) * | 1987-05-28 | 1990-07-17 | Toyo Tire & Rubber Co., Ltd. | Rubber composition for tire tread |
JPH04158326A (ja) * | 1990-10-22 | 1992-06-01 | Canon Inc | ズームレンズ |
JPH08248319A (ja) * | 1995-03-13 | 1996-09-27 | Canon Inc | ズームレンズ |
US5859729A (en) * | 1996-01-06 | 1999-01-12 | Canon Kabushiki Kaisha | Zoom lens device with four lens unit |
JPWO2015040867A1 (ja) * | 2013-09-20 | 2017-03-02 | パナソニックIpマネジメント株式会社 | 撮像光学系 |
JPWO2016194111A1 (ja) * | 2015-06-01 | 2018-03-22 | オリンパス株式会社 | 単焦点光学系及びそれを備えた光学装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0430564B2 (enrdf_load_stackoverflow) | 1992-05-22 |
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