GB190802142A - Improvements in Stereoscopic Cameras. - Google Patents
Improvements in Stereoscopic Cameras.Info
- Publication number
- GB190802142A GB190802142A GB190802142DA GB190802142A GB 190802142 A GB190802142 A GB 190802142A GB 190802142D A GB190802142D A GB 190802142DA GB 190802142 A GB190802142 A GB 190802142A
- Authority
- GB
- United Kingdom
- Prior art keywords
- faces
- images
- tetrahedra
- laterally
- arrangement
- 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
Landscapes
- Stereoscopic And Panoramic Photography (AREA)
Abstract
2142. Richard, J. Jan. 30. Lenses ; stereoscopes. - Relates to the employment for stereoscopic cameras of tetrahedra presenting two mutually perpendicular faces and two other faces inclined at an angle of 45 degrees to the preceding unes for rectifying the images both laterally and vertically. The tetrahedra are mounted in cases a, Fig. 9, which slide in grooves b of the camera front. They are disposed so that one of the mutually perpendicular faces f, Fig. 6, lies adjacent to the objective c, while the inclined faces g, h, Fig. 7, reflect the images while simultaneously reversing them both vertically and laterally. The objectives then re-invert 'the images. This arrangement is specially applicable for getting positive and colour transparencies directly, and for use with apparatus such as is described in Specification No. 21,430, A.D. 1899. With this arrangement the camera must be held in a direction perpendicular to the direction of photography, the other perpendicular face e facing the object. To avoid this and to photograph directly, an additional mirror or a totally reflecting prism may be used opposite the entrance face e. This will result in a lateral inversion only, and the negative obtained must then be printed with the film surface away from the print paper.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190802142T | 1908-01-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190802142A true GB190802142A (en) | 1909-01-28 |
Family
ID=32635788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190802142D Expired GB190802142A (en) | 1908-01-30 | 1908-01-30 | Improvements in Stereoscopic Cameras. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190802142A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE939305C (en) * | 1942-02-08 | 1956-02-16 | Zeiss Ikon Ag | Stereo recording device |
-
1908
- 1908-01-30 GB GB190802142D patent/GB190802142A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE939305C (en) * | 1942-02-08 | 1956-02-16 | Zeiss Ikon Ag | Stereo recording device |
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