Patent
1989-05-03
1990-03-27
Arnold, Bruce Y.
354112, 354114, 354117, G02B 2722, G03B 3508
Patent
active
049115308
ABSTRACT:
A photographic imaging system for use in a stereographic camera for producing stereographs of a scene being viewed comprising a first set of reflective surfaces for directing light emanating from a scene being viewed along a first optical path. A second set of reflective surfaces directs light emanating from a scene being viewed along a second optical path. An aperture is provided, the first and second optical paths passing through the aperture. A shutter is provided for controllably opening and closing the aperture so that the light flux passing along the first and second optical paths is substantially equal. A holder is provided for holding a single frame of film, the single frame of film having a first portion of film and a second portion of film. A first lens, disposed along the first optical path, forms a first image substantially on the first portion of film and a second lens, disposed along the second optical path, forms a second image substantially on the second portion of film. The first and second images are formed side-by-side on the film and the first and second optical paths cross between the first and second lenses and the holder.
REFERENCES:
patent: 2495288 (1950-01-01), Richards
patent: 2736250 (1956-02-01), Rapritz
patent: 3815970 (1974-06-01), Murphy
patent: 4844583 (1989-07-01), Lo
Arnold Bruce Y.
Ryan J. P.
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