JPS6151291B2 - - Google Patents
Info
- Publication number
- JPS6151291B2 JPS6151291B2 JP56037915A JP3791581A JPS6151291B2 JP S6151291 B2 JPS6151291 B2 JP S6151291B2 JP 56037915 A JP56037915 A JP 56037915A JP 3791581 A JP3791581 A JP 3791581A JP S6151291 B2 JPS6151291 B2 JP S6151291B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- lens component
- component
- focal length
- positive
- 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
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
- G02B15/145—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 five groups only
- G02B15/1451—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 five groups only the first group being positive
- G02B15/145121—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 five groups only the first group being positive arranged +-+-+
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56037915A JPS57154205A (en) | 1981-03-18 | 1981-03-18 | Compact zoom lens of high variable magnification |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56037915A JPS57154205A (en) | 1981-03-18 | 1981-03-18 | Compact zoom lens of high variable magnification |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57154205A JPS57154205A (en) | 1982-09-24 |
JPS6151291B2 true JPS6151291B2 (enrdf_load_stackoverflow) | 1986-11-08 |
Family
ID=12510834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56037915A Granted JPS57154205A (en) | 1981-03-18 | 1981-03-18 | Compact zoom lens of high variable magnification |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57154205A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6039613A (ja) * | 1983-08-12 | 1985-03-01 | Minolta Camera Co Ltd | 広角域を含む高変倍率ズ−ムレンズ系 |
JP4051731B2 (ja) * | 1996-09-04 | 2008-02-27 | 株式会社ニコン | 高倍率ズームレンズ |
-
1981
- 1981-03-18 JP JP56037915A patent/JPS57154205A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57154205A (en) | 1982-09-24 |
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