Optical apparatus

An optical apparatus includes an image-forming optical system with a changeable focal length, an image pickup device configured to capture an image formed by the image-forming optical system and to output an image signal, and at least one processor or circuit programmed to function as a display cont...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Fukai, Yosuke, Toriumi, Hiroshi
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ALARM SYSTEMS APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY ORDER TELEGRAPHS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SIGNALLING SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:	An optical apparatus includes an image-forming optical system with a changeable focal length, an image pickup device configured to capture an image formed by the image-forming optical system and to output an image signal, and at least one processor or circuit programmed to function as a display control unit configured to control a display unit configured to display an image based on the image signal and a notification control unit configured to control a notification unit provided separately from the display unit and configured to notify a user of information regarding the focal length of the image-forming optical system. The notification control unit causes a notification method of information regarding the focal length by the notification unit to be changed based on the focal length.