FR837319A - Posemètre photo-électrique à zones multiples de mesure et de réglage, et dispositif de réglage de l'obturateur des appareils photographiques
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Posemètre photo-électrique à zones multiples de mesure et de réglage, et dispositif de réglage de l'obturateur des appareils photographiques
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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
G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
G03B7/04—Control effected by hand adjustment of a member that senses indication of a pointer of a built- in light-sensitive device, e.g. by restoring point to a fixed associated reference mark
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FR837319D1937-10-231937-10-23Posemètre photo-électrique à zones multiples de mesure et de réglage, et dispositif de réglage de l'obturateur des appareils photographiques
ExpiredFR837319A
(fr)
Dispositif pour le dosage automatique de la lumière, applicable aux appareils photographiques et cinématographiques, permettant de photographier à toute lumière avec la même durée d'exposition