FR2224768A1 - - Google Patents
Info
- Publication number
- FR2224768A1 FR2224768A1 FR7411815A FR7411815A FR2224768A1 FR 2224768 A1 FR2224768 A1 FR 2224768A1 FR 7411815 A FR7411815 A FR 7411815A FR 7411815 A FR7411815 A FR 7411815A FR 2224768 A1 FR2224768 A1 FR 2224768A1
- Authority
- FR
- France
- 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
- G02B15/22—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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
- G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
- G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4012473U JPS49141841U (OSRAM) | 1973-04-04 | 1973-04-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2224768A1 true FR2224768A1 (OSRAM) | 1974-10-31 |
| FR2224768B1 FR2224768B1 (OSRAM) | 1976-12-17 |
Family
ID=12572061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7411815A Expired FR2224768B1 (OSRAM) | 1973-04-04 | 1974-04-03 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS49141841U (OSRAM) |
| DE (1) | DE2416400A1 (OSRAM) |
| FR (1) | FR2224768B1 (OSRAM) |
| GB (1) | GB1461614A (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186872A (en) * | 1981-05-13 | 1982-11-17 | Hitachi Ltd | Auto-focusing device of video camera |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4832387B1 (OSRAM) * | 1969-07-26 | 1973-10-05 |
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1973
- 1973-04-04 JP JP4012473U patent/JPS49141841U/ja active Pending
-
1974
- 1974-04-03 FR FR7411815A patent/FR2224768B1/fr not_active Expired
- 1974-04-04 DE DE19742416400 patent/DE2416400A1/de active Pending
- 1974-04-04 GB GB1492574A patent/GB1461614A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2224768B1 (OSRAM) | 1976-12-17 |
| DE2416400A1 (de) | 1974-10-24 |
| JPS49141841U (OSRAM) | 1974-12-06 |
| GB1461614A (en) | 1977-01-13 |