JPS5183543A - - Google Patents
Info
- Publication number
- JPS5183543A JPS5183543A JP50008264A JP826475A JPS5183543A JP S5183543 A JPS5183543 A JP S5183543A JP 50008264 A JP50008264 A JP 50008264A JP 826475 A JP826475 A JP 826475A JP S5183543 A JPS5183543 A JP S5183543A
- Authority
- JP
- Japan
- 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
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
- G02B15/142—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 two groups only
- G02B15/1425—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 two groups only the first group being negative
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP826475A JPS5513334B2 (en, 2012) | 1975-01-18 | 1975-01-18 | |
| US05/649,383 US4074931A (en) | 1975-01-18 | 1976-01-15 | Variable focal length lens system |
| GB151576A GB1477289A (en) | 1975-01-18 | 1976-01-15 | Variable focal length lens system |
| DE2601499A DE2601499C3 (de) | 1975-01-18 | 1976-01-16 | Varioobjektiv |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP826475A JPS5513334B2 (en, 2012) | 1975-01-18 | 1975-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5183543A true JPS5183543A (en, 2012) | 1976-07-22 |
| JPS5513334B2 JPS5513334B2 (en, 2012) | 1980-04-08 |
Family
ID=11688282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP826475A Expired JPS5513334B2 (en, 2012) | 1975-01-18 | 1975-01-18 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4074931A (en, 2012) |
| JP (1) | JPS5513334B2 (en, 2012) |
| DE (1) | DE2601499C3 (en, 2012) |
| GB (1) | GB1477289A (en, 2012) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472066A (en) * | 1977-11-18 | 1979-06-09 | Minolta Camera Co Ltd | Divergent refracting power group preceding type two- compoment zoom lens system |
| DE2923151A1 (de) * | 1978-06-30 | 1980-01-03 | Asahi Optical Co Ltd | Kompaktes standard-zoom-objektiv |
| JPS5535336A (en) * | 1978-09-01 | 1980-03-12 | Fuji Photo Optical Co Ltd | Wide angle zoom lens |
| JPS5535334A (en) * | 1978-09-01 | 1980-03-12 | Fuji Photo Optical Co Ltd | Posterior iris zoom lens |
| JPS55117118A (en) * | 1979-03-02 | 1980-09-09 | Olympus Optical Co Ltd | Wide-angle zoom lens |
| JPS55163511A (en) * | 1979-06-08 | 1980-12-19 | Nippon Kogaku Kk <Nikon> | 2-group constitution zoom lens |
| JPS5619022A (en) * | 1979-07-24 | 1981-02-23 | Canon Inc | Zoom lens of small size |
| DE3110772A1 (de) * | 1980-03-19 | 1981-12-24 | Ricoh Co., Ltd., Tokyo | Zoomobjektiv |
| JPS57104108A (en) * | 1980-12-20 | 1982-06-29 | Asahi Optical Co Ltd | Back diaphragm type zoom lens |
| US4413887A (en) * | 1980-08-29 | 1983-11-08 | Olympus Optical Co., Ltd. | Zoom lens system |
| JPS59142515A (ja) * | 1983-02-02 | 1984-08-15 | Asahi Optical Co Ltd | ズ−ムレンズ |
| DE3806161A1 (de) * | 1987-02-27 | 1988-09-08 | Asahi Optical Co Ltd | Kompaktes und lichtstarkes weitwinkel-zoom-linsensystem |
| JPH01183615A (ja) * | 1988-01-18 | 1989-07-21 | Minolta Camera Co Ltd | ズームレンズ |
| US5434710A (en) * | 1991-12-24 | 1995-07-18 | Olympus Optical Co., Ltd. | Zoom lens system comprising three lens units |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035650B2 (ja) * | 1976-05-08 | 1985-08-15 | 株式会社ニコン | コンパクトな広角ズ−ムレンズ |
| JPS6046688B2 (ja) * | 1976-11-11 | 1985-10-17 | 富士写真光機株式会社 | ズ−ムレンズ |
| JPS5391756A (en) * | 1977-01-21 | 1978-08-11 | Minolta Camera Co Ltd | Zoom lens system |
| JPS5415733A (en) * | 1977-06-10 | 1979-02-05 | Asahi Optical Co Ltd | Lowwmagnification variableeangleelens system |
| JPS5811607B2 (ja) * | 1977-10-19 | 1983-03-03 | 旭光学工業株式会社 | 歪曲収差の小さなズ−ムレンズ |
| JPS5515510U (en, 2012) * | 1978-07-14 | 1980-01-31 | ||
| JPS5643619A (en) * | 1979-09-18 | 1981-04-22 | Olympus Optical Co Ltd | Wide angle zoom lens |
| JPS5720713A (en) * | 1980-07-11 | 1982-02-03 | Canon Inc | Zoom lens |
| JPS59142514A (ja) * | 1983-02-02 | 1984-08-15 | Olympus Optical Co Ltd | 明るいズ−ムレンズ |
| JPS59154712U (ja) * | 1983-03-11 | 1984-10-17 | シャープ株式会社 | 支持体の取付装置 |
| US4770509A (en) * | 1984-09-28 | 1988-09-13 | Nippon Kogaku K. K. | Zoom lens comprising two groups of lenses |
| US4974949B1 (en) * | 1987-12-21 | 1996-06-04 | Asahi Optical Co Ltd | Zoom lens barrel |
| US5381269A (en) * | 1993-03-30 | 1995-01-10 | Eastman Kodak Company | Zoom lens |
| US5546232A (en) * | 1993-06-14 | 1996-08-13 | Asahi Kogaku Kogyo Kabushiki Kaisha | Two-group zoom lens |
| CN114815197B (zh) * | 2022-06-29 | 2022-10-21 | 江西晶超光学有限公司 | 光学系统、镜头模组和电子设备 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492548A (en, 2012) * | 1972-04-18 | 1974-01-10 |
-
1975
- 1975-01-18 JP JP826475A patent/JPS5513334B2/ja not_active Expired
-
1976
- 1976-01-15 US US05/649,383 patent/US4074931A/en not_active Expired - Lifetime
- 1976-01-15 GB GB151576A patent/GB1477289A/en not_active Expired
- 1976-01-16 DE DE2601499A patent/DE2601499C3/de not_active Expired
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472066A (en) * | 1977-11-18 | 1979-06-09 | Minolta Camera Co Ltd | Divergent refracting power group preceding type two- compoment zoom lens system |
| DE2923151A1 (de) * | 1978-06-30 | 1980-01-03 | Asahi Optical Co Ltd | Kompaktes standard-zoom-objektiv |
| JPS5535336A (en) * | 1978-09-01 | 1980-03-12 | Fuji Photo Optical Co Ltd | Wide angle zoom lens |
| JPS5535334A (en) * | 1978-09-01 | 1980-03-12 | Fuji Photo Optical Co Ltd | Posterior iris zoom lens |
| JPS55117118A (en) * | 1979-03-02 | 1980-09-09 | Olympus Optical Co Ltd | Wide-angle zoom lens |
| JPS55163511A (en) * | 1979-06-08 | 1980-12-19 | Nippon Kogaku Kk <Nikon> | 2-group constitution zoom lens |
| JPS5619022A (en) * | 1979-07-24 | 1981-02-23 | Canon Inc | Zoom lens of small size |
| DE3110772A1 (de) * | 1980-03-19 | 1981-12-24 | Ricoh Co., Ltd., Tokyo | Zoomobjektiv |
| US4579428A (en) * | 1980-03-19 | 1986-04-01 | Ricoh Company, Ltd. | Small zoom lens |
| US4413887A (en) * | 1980-08-29 | 1983-11-08 | Olympus Optical Co., Ltd. | Zoom lens system |
| JPS57104108A (en) * | 1980-12-20 | 1982-06-29 | Asahi Optical Co Ltd | Back diaphragm type zoom lens |
| JPS59142515A (ja) * | 1983-02-02 | 1984-08-15 | Asahi Optical Co Ltd | ズ−ムレンズ |
| DE3806161A1 (de) * | 1987-02-27 | 1988-09-08 | Asahi Optical Co Ltd | Kompaktes und lichtstarkes weitwinkel-zoom-linsensystem |
| JPH01183615A (ja) * | 1988-01-18 | 1989-07-21 | Minolta Camera Co Ltd | ズームレンズ |
| US5434710A (en) * | 1991-12-24 | 1995-07-18 | Olympus Optical Co., Ltd. | Zoom lens system comprising three lens units |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5513334B2 (en, 2012) | 1980-04-08 |
| US4074931A (en) | 1978-02-21 |
| DE2601499B2 (de) | 1978-07-27 |
| DE2601499C3 (de) | 1979-03-29 |
| DE2601499A1 (de) | 1976-07-22 |
| GB1477289A (en) | 1977-06-22 |