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Jos Schneider Optische Werke GmbH
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Jos Schneider Optische Werke GmbH
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Filing date
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Application filed by Jos Schneider Optische Werke GmbHfiledCriticalJos Schneider Optische Werke GmbH
Application grantedgrantedCritical
Publication of FR1160226ApublicationCriticalpatent/FR1160226A/en
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
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/02—Bodies
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR1160226D1955-11-121956-11-12
Device automatically providing an indication of the depth of field on photographic lenses
ExpiredFR1160226A
(en)