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
G03B1/00—Film strip handling
G03B1/60—Measuring or indicating length of the used or unused film; Counting number of exposures
G03B1/66—Counting number of exposures
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Details Of Cameras Including Film Mechanisms
(AREA)
Accessoire pour la prise de vues stéréoscopiques, destiné à être monté devant l'objectif à mise au point réglable d'un appareil de prise de vues planes.