G - Physics – 02 – B
Patent
G - Physics
02
B
88/20
G02B 27/02 (2006.01)
Patent
CA 1075054
ABSTRACT OF THE DISCLOSURE An instrument for the individual viewing of pictures disposed successively on a transparent film strip, with a housing in which a binocular viewing window and a lens system enlarging the viewing angle and located in the ray path between viewing window and object are provided, and with holding and guiding means holding the film strip in a viewing plane, wherein the beam paths or optical axes associated with the two viewing windows are brought together approximately in the center of a common picture aperture lying in the viewing plane, and wherein the film strip guiding and holding means has a back support which supports the film strip during the positive and/or frictional engagement of an externally operable mechanical trans- port device with the film.
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