GB749675A - Improvements in or relating to cameras for taking stereoscopic images - Google Patents
Improvements in or relating to cameras for taking stereoscopic imagesInfo
- Publication number
- GB749675A GB749675A GB963/52A GB96352A GB749675A GB 749675 A GB749675 A GB 749675A GB 963/52 A GB963/52 A GB 963/52A GB 96352 A GB96352 A GB 96352A GB 749675 A GB749675 A GB 749675A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mirror
- camera
- objective
- stereoscopic
- lever
- 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
- 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
- G03B35/00—Stereoscopic photography
- G03B35/02—Stereoscopic photography by sequential recording
- G03B35/04—Stereoscopic photography by sequential recording with movement of beam-selecting members in a system defining two or more viewpoints
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Abstract
749,675. Stereoscopic camera systems. WEBER, F. A. Jan. 11, 1952 [Jan. 12, 1951], No. 963/52. Classes 97 (1) and 98 (2). A camera assembly includes a reflector system comprising two substantially parallel reflectors supported in front of the camera objective so as to direct to the camera two different views of the object to be photographed and means for altering the stereo-base by adjusting the distance between the mirrors along the optical axis of the system and for altering the angle of convergence between them. As shown, a mirror 3 is formed on a shutter disc rotated in front of the camera lens 1 in synchronism with the intermittent feed of a kinematograph camera 2 which is run at double the normal speed, while a mirror 16 is adjustably secured to a slide 14 in a fixed guide 14. The slide 14 is connected by a link 25 to a manually operable lever 23 pivoted at 24 and bearing a cam 26 followed by a pivoted bell-crank lever 27 operating via a Bowden cable against a spring 30 to effect focusing automatically as the point of intersection of the mirror axes move. A scale 31 graduated in object distances over which the lever 23 moves may be provided. In a modification, the mirror 3 may be angularly adjustable, but stationary, and comprise alternate transparent and reflecting bands. The interlineated records so produced may be projected either through a lined polarizing filter comprising alternate sections with polarizing axes at 90 degrees or through a stereoscopic grid, the reflected image being reflected to the screen by a further reflector. In an alternative embodiment, the camera has two closely adjacent objectives 1a, 1b, a fixed mirror 32 covering the field of objective 1b and a movable mirror (not shown) similar to the mirror 16 covering the field of objective 1a. The resulting vertical parallax is decreased by reducing the height of the stereoscopic records with consequential reduction of the interaxial separation of the objectives. For tilting or similar purposes, a third mirror can be placed either between the two mirrors or between them and the objective.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL749675X | 1951-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB749675A true GB749675A (en) | 1956-05-30 |
Family
ID=19822908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB963/52A Expired GB749675A (en) | 1951-01-12 | 1952-01-11 | Improvements in or relating to cameras for taking stereoscopic images |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB749675A (en) |
-
1952
- 1952-01-11 GB GB963/52A patent/GB749675A/en not_active Expired
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