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Publication of FR835909ApublicationCriticalpatent/FR835909A/fr
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
G03B15/00—Special procedures for taking photographs; Apparatus therefor
G03B15/02—Illuminating scene
G03B15/03—Combinations of cameras with lighting apparatus; Flash units
G03B15/04—Combinations of cameras with non-electronic flash apparatus; Non-electronic flash units
G03B15/0442—Constructional details of the flash apparatus; Arrangement of lamps, reflectors, or the like
Landscapes
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FR835909D1937-04-171938-03-30Lentilles d'optique pour lumières-éclairs photographiques
ExpiredFR835909A
(fr)