JPS56126819A - Compact telephoto zoom lens - Google Patents
Compact telephoto zoom lensInfo
- Publication number
- JPS56126819A JPS56126819A JP3003780A JP3003780A JPS56126819A JP S56126819 A JPS56126819 A JP S56126819A JP 3003780 A JP3003780 A JP 3003780A JP 3003780 A JP3003780 A JP 3003780A JP S56126819 A JPS56126819 A JP S56126819A
- Authority
- JP
- Japan
- Prior art keywords
- lenses
- lens group
- lens
- positive
- negative
- 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
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
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3003780A JPS56126819A (en) | 1980-03-10 | 1980-03-10 | Compact telephoto zoom lens |
US06/240,421 US4395092A (en) | 1980-03-10 | 1981-03-04 | Compact telephoto zoom lens |
GB8106958A GB2072872B (en) | 1980-03-10 | 1981-03-05 | Compact telephoto zoom lens system |
DE3108896A DE3108896C2 (de) | 1980-03-10 | 1981-03-09 | Tele-Varioobjektiv |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3003780A JPS56126819A (en) | 1980-03-10 | 1980-03-10 | Compact telephoto zoom lens |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56126819A true JPS56126819A (en) | 1981-10-05 |
JPS6116964B2 JPS6116964B2 (ja) | 1986-05-02 |
Family
ID=12292620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3003780A Granted JPS56126819A (en) | 1980-03-10 | 1980-03-10 | Compact telephoto zoom lens |
Country Status (4)
Country | Link |
---|---|
US (1) | US4395092A (ja) |
JP (1) | JPS56126819A (ja) |
DE (1) | DE3108896C2 (ja) |
GB (1) | GB2072872B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59121020A (ja) * | 1982-12-28 | 1984-07-12 | Ricoh Co Ltd | ズ−ムレンズ |
JPS6060617A (ja) * | 1983-09-14 | 1985-04-08 | Asahi Optical Co Ltd | 望遠ズ−ムレンズ系 |
US4568150A (en) * | 1983-04-09 | 1986-02-04 | Olympus Optical Co., Ltd. | Zoom lens system |
US4582399A (en) * | 1982-08-27 | 1986-04-15 | Olympus Optical Co., Ltd. | Zoom lens system |
DE3803484A1 (de) * | 1987-02-06 | 1988-08-18 | Asahi Optical Co Ltd | Kompaktes zoomlinsesystem |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5859407A (ja) * | 1981-10-06 | 1983-04-08 | Asahi Optical Co Ltd | コンパクトな望遠ズ−ムレンズ系 |
JPS6313373U (ja) * | 1986-07-14 | 1988-01-28 | ||
JP3330980B2 (ja) * | 1991-10-21 | 2002-10-07 | 旭光学工業株式会社 | ズームレンズ |
JPH07140386A (ja) * | 1993-11-12 | 1995-06-02 | Asahi Optical Co Ltd | インナーフォーカス方式の望遠ズームレンズ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3074317A (en) * | 1959-12-24 | 1963-01-22 | Bell & Howell Co | Zoom lens |
US3000259A (en) * | 1960-03-07 | 1961-09-19 | Revere Camera Co | Variable magnification lens system |
JPS53131852A (en) * | 1977-04-22 | 1978-11-17 | Nippon Chemical Ind | Tele zoom lens |
-
1980
- 1980-03-10 JP JP3003780A patent/JPS56126819A/ja active Granted
-
1981
- 1981-03-04 US US06/240,421 patent/US4395092A/en not_active Expired - Lifetime
- 1981-03-05 GB GB8106958A patent/GB2072872B/en not_active Expired
- 1981-03-09 DE DE3108896A patent/DE3108896C2/de not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4582399A (en) * | 1982-08-27 | 1986-04-15 | Olympus Optical Co., Ltd. | Zoom lens system |
JPS59121020A (ja) * | 1982-12-28 | 1984-07-12 | Ricoh Co Ltd | ズ−ムレンズ |
JPS6359121B2 (ja) * | 1982-12-28 | 1988-11-17 | ||
US4568150A (en) * | 1983-04-09 | 1986-02-04 | Olympus Optical Co., Ltd. | Zoom lens system |
JPS6060617A (ja) * | 1983-09-14 | 1985-04-08 | Asahi Optical Co Ltd | 望遠ズ−ムレンズ系 |
JPH0235964B2 (ja) * | 1983-09-14 | 1990-08-14 | Asahi Optical Co Ltd | |
DE3803484A1 (de) * | 1987-02-06 | 1988-08-18 | Asahi Optical Co Ltd | Kompaktes zoomlinsesystem |
Also Published As
Publication number | Publication date |
---|---|
JPS6116964B2 (ja) | 1986-05-02 |
US4395092A (en) | 1983-07-26 |
DE3108896A1 (de) | 1982-01-14 |
GB2072872A (en) | 1981-10-07 |
DE3108896C2 (de) | 1983-07-21 |
GB2072872B (en) | 1984-04-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57201213A (en) | Microminiature zoom lens | |
JPS575021A (en) | Reverse telephoto type large-diameter wide angle lens | |
JPS5744115A (en) | Reflex telephoto zoom lens system | |
JPS54127322A (en) | Zoom lens | |
JPS55147606A (en) | Telephoto lens | |
JPS5659217A (en) | Lens for compact camera of short overall length using aspherical face | |
JPS5719709A (en) | Zoom lens | |
JPS5735822A (en) | Zoom lens | |
JPS56126819A (en) | Compact telephoto zoom lens | |
JPS57135913A (en) | Zoom lens | |
JPS5767908A (en) | Wide-angle zoom lens | |
JPS57135912A (en) | Zoom lens | |
JPS57161822A (en) | Large aperture ratio lens | |
JPS5648607A (en) | Wide-angle zoom lens | |
JPS5655915A (en) | Zoom lens | |
JPS5642208A (en) | Compact zoom lens | |
JPS56161517A (en) | Telephoto zoom lens | |
JPS54158225A (en) | Photographic lens having long back focus and large aperture ratio | |
JPS57171309A (en) | Lens for compact camera having short total length | |
JPS64512A (en) | Albada system zoom finder | |
JPS57172310A (en) | Zoom lens | |
JPS56132306A (en) | Small-sized zoom lens | |
JPS57165809A (en) | Telephoto lens system | |
JPS6479716A (en) | Zoom lens | |
JPS57122412A (en) | Reverse telephoto type large aperture wide angle lens |