JPS5113663B2 - - Google Patents
Info
- Publication number
- JPS5113663B2 JPS5113663B2 JP7203272A JP7203272A JPS5113663B2 JP S5113663 B2 JPS5113663 B2 JP S5113663B2 JP 7203272 A JP7203272 A JP 7203272A JP 7203272 A JP7203272 A JP 7203272A JP S5113663 B2 JPS5113663 B2 JP S5113663B2
- 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.)
- 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
- G02B15/22—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 movable lens means specially adapted for focusing at close distances
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7203272A JPS5113663B2 (ru) | 1972-07-20 | 1972-07-20 | |
DE19732336823 DE2336823C2 (de) | 1972-07-20 | 1973-07-19 | Vario-Objektiv |
GB3468573A GB1418386A (en) | 1972-07-20 | 1973-07-20 | Zoom lens systems |
US05/543,276 US3970367A (en) | 1972-07-20 | 1975-01-23 | Zoom lens system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7203272A JPS5113663B2 (ru) | 1972-07-20 | 1972-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4932652A JPS4932652A (ru) | 1974-03-25 |
JPS5113663B2 true JPS5113663B2 (ru) | 1976-05-01 |
Family
ID=13477649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7203272A Expired JPS5113663B2 (ru) | 1972-07-20 | 1972-07-20 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5113663B2 (ru) |
DE (1) | DE2336823C2 (ru) |
GB (1) | GB1418386A (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62189047U (ru) * | 1986-05-20 | 1987-12-01 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5832365B2 (ja) * | 1974-05-09 | 1983-07-12 | キヤノン株式会社 | ズ−ムレンズソウチ |
JPS5134741A (ja) * | 1974-09-19 | 1976-03-24 | Konishiroku Photo Ind | Junkokakuzuumurenzu |
JPS52120850A (en) * | 1976-04-02 | 1977-10-11 | Elmo Co Ltd | Zoom lens having high zoom ratio and large relative aperture |
JPS5832684B2 (ja) * | 1977-07-30 | 1983-07-14 | 旭光学工業株式会社 | 高変倍率を有する広角ズ−ムレンズ系 |
JPS5866908A (ja) * | 1981-10-16 | 1983-04-21 | Canon Inc | コンパクトな望遠ズ−ムレンズ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3507555A (en) * | 1967-04-03 | 1970-04-21 | Nippon Kogaku Kk | Zoom lens optical system |
US3615125A (en) * | 1967-07-04 | 1971-10-26 | Nippon Kogaku Kk | Compact telephoto type zoom lens |
US3547523A (en) * | 1967-07-13 | 1970-12-15 | Konishiroku Photo Ind | Zoom objective lens system with highly reduced secondary chromatic aberration |
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1972
- 1972-07-20 JP JP7203272A patent/JPS5113663B2/ja not_active Expired
-
1973
- 1973-07-19 DE DE19732336823 patent/DE2336823C2/de not_active Expired
- 1973-07-20 GB GB3468573A patent/GB1418386A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62189047U (ru) * | 1986-05-20 | 1987-12-01 |
Also Published As
Publication number | Publication date |
---|---|
DE2336823C2 (de) | 1982-06-03 |
DE2336823A1 (de) | 1974-01-31 |
JPS4932652A (ru) | 1974-03-25 |
GB1418386A (en) | 1975-12-17 |