CH386128A - Photographic or cinematographic lens with variable focal length - Google Patents
Photographic or cinematographic lens with variable focal lengthInfo
- Publication number
- CH386128A CH386128A CH733861A CH733861A CH386128A CH 386128 A CH386128 A CH 386128A CH 733861 A CH733861 A CH 733861A CH 733861 A CH733861 A CH 733861A CH 386128 A CH386128 A CH 386128A
- Authority
- CH
- Switzerland
- Prior art keywords
- photographic
- focal length
- variable focal
- cinematographic lens
- cinematographic
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G02B15/142—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 two groups only
-
- 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
- G03B19/00—Cameras
- G03B19/18—Motion-picture cameras
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH28362A DE1196068B (en) | 1960-08-20 | 1960-08-20 | Vario lens with axial adjustment of one or more optical elements by means of an electric motor attached to the lens carrier and controllable by end contacts |
Publications (1)
Publication Number | Publication Date |
---|---|
CH386128A true CH386128A (en) | 1964-12-31 |
Family
ID=7431085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH733861A CH386128A (en) | 1960-08-20 | 1961-06-22 | Photographic or cinematographic lens with variable focal length |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH386128A (en) |
DE (1) | DE1196068B (en) |
GB (1) | GB921951A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258802A (en) * | 1989-04-30 | 1993-11-02 | Minolta Camera Kabushiki Kaisha | Camera system which compensates for defocusing during operation |
JPH0333836A (en) * | 1989-06-30 | 1991-02-14 | Asahi Optical Co Ltd | Zoom camera |
GB2237406B (en) * | 1989-10-27 | 1993-11-03 | Asahi Optical Co Ltd | Zoom lens barrel |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2532685A (en) * | 1949-07-23 | 1950-12-05 | Joseph B Walker | Lens adjusting mechanism |
US2924146A (en) * | 1958-05-14 | 1960-02-09 | Frank G Back | Remote control varifocal lens |
-
1960
- 1960-08-20 DE DESCH28362A patent/DE1196068B/en active Pending
-
1961
- 1961-06-22 CH CH733861A patent/CH386128A/en unknown
- 1961-06-26 GB GB22980/61A patent/GB921951A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB921951A (en) | 1963-03-27 |
DE1196068B (en) | 1965-07-01 |
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