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LAMPEN U METALLWARENFABRIKEN R
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LAMPEN U METALLWARENFABRIKEN R
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Publication date
Application filed by LAMPEN U METALLWARENFABRIKEN RfiledCriticalLAMPEN U METALLWARENFABRIKEN R
Application grantedgrantedCritical
Publication of FR840271ApublicationCriticalpatent/FR840271A/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
G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
G03B7/02—Control effected by setting a graduated member on the camera in accordance with indication or reading afforded by a light meter, which may be either separate from or built into camera body
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR840271D1938-07-051938-07-05Viseur pour appareils de prise de vues cinématographiques
ExpiredFR840271A
(fr)