JPS5098340A - - Google Patents
Info
- Publication number
- JPS5098340A JPS5098340A JP14667974A JP14667974A JPS5098340A JP S5098340 A JPS5098340 A JP S5098340A JP 14667974 A JP14667974 A JP 14667974A JP 14667974 A JP14667974 A JP 14667974A JP S5098340 A JPS5098340 A JP S5098340A
- 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.)
- Pending
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)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT1067473A AT323440B (de) | 1973-12-20 | 1973-12-20 | Pankratisches objektiv |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5098340A true JPS5098340A (ja) | 1975-08-05 |
Family
ID=3623936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14667974A Pending JPS5098340A (ja) | 1973-12-20 | 1974-12-20 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5098340A (ja) |
| AT (1) | AT323440B (ja) |
| CH (1) | CH572629A5 (ja) |
| DE (1) | DE2459865A1 (ja) |
| FR (1) | FR2255620A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59181313A (ja) * | 1983-03-17 | 1984-10-15 | Konishiroku Photo Ind Co Ltd | ズ−ムレンズ |
| JPS6011812A (ja) * | 1983-06-30 | 1985-01-22 | Asahi Optical Co Ltd | バツクフオ−カスの長いズ−ムレンズ |
| JPS60133412A (ja) * | 1983-12-22 | 1985-07-16 | Matsushita Electric Ind Co Ltd | ズ−ムレンズ |
| JPS615223A (ja) * | 1984-06-19 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 画面抱括範囲の広いズ−ムレンズ |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942361A (ja) * | 1972-08-29 | 1974-04-20 |
-
1973
- 1973-12-20 AT AT1067473A patent/AT323440B/de not_active IP Right Cessation
-
1974
- 1974-11-18 CH CH1492274A patent/CH572629A5/xx not_active IP Right Cessation
- 1974-12-18 FR FR7441822A patent/FR2255620A1/fr active Granted
- 1974-12-18 DE DE19742459865 patent/DE2459865A1/de not_active Withdrawn
- 1974-12-20 JP JP14667974A patent/JPS5098340A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942361A (ja) * | 1972-08-29 | 1974-04-20 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59181313A (ja) * | 1983-03-17 | 1984-10-15 | Konishiroku Photo Ind Co Ltd | ズ−ムレンズ |
| JPS6011812A (ja) * | 1983-06-30 | 1985-01-22 | Asahi Optical Co Ltd | バツクフオ−カスの長いズ−ムレンズ |
| JPH0412454B2 (ja) * | 1983-06-30 | 1992-03-04 | Asahi Optical Co Ltd | |
| JPS60133412A (ja) * | 1983-12-22 | 1985-07-16 | Matsushita Electric Ind Co Ltd | ズ−ムレンズ |
| JPS6361643B2 (ja) * | 1983-12-22 | 1988-11-29 | ||
| JPS615223A (ja) * | 1984-06-19 | 1986-01-11 | Matsushita Electric Ind Co Ltd | 画面抱括範囲の広いズ−ムレンズ |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2255620A1 (en) | 1975-07-18 |
| CH572629A5 (ja) | 1976-02-13 |
| AT323440B (de) | 1975-07-10 |
| FR2255620B1 (ja) | 1978-06-23 |
| DE2459865A1 (de) | 1975-07-03 |