JPH041893B

In a water-proof photographic camera with an automatic focusing device, a taking lens will be moved to a best-in-focus position by the automatic focusing device when it is detected that the camera is in air enrivonment, and to a fixed focusing position corresponding to a value of camera-to-object di...

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Bibliographische Detailangaben
1. Verfasser:	INAGAKI TETSUHIKO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	In a water-proof photographic camera with an automatic focusing device, a taking lens will be moved to a best-in-focus position by the automatic focusing device when it is detected that the camera is in air enrivonment, and to a fixed focusing position corresponding to a value of camera-to-object distance that is expected to be most frequently used in underwater photography or a value of distance in accordance with an available amount of light emitted from an electric flash device when it is detected that the camera is in a water environment.