Diaphragm unit, lens apparatus, and image pickup apparatus

There is provided a diaphragm unit, including a plurality of diaphragm blades structured to at least rotate, the plurality of diaphragm blades being capable of changing an area of an aperture, each of the diaphragm blades including portions on a part of an inner periphery, a R (radius) of a shape of...

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Bibliographische Detailangaben
1. Verfasser:	MAKII TATSUO
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 PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	There is provided a diaphragm unit, including a plurality of diaphragm blades structured to at least rotate, the plurality of diaphragm blades being capable of changing an area of an aperture, each of the diaphragm blades including portions on a part of an inner periphery, a R (radius) of a shape of one portion being at the opposite side of a R (radius) of a shape of the other portion, the inner periphery being a periphery forming an outer periphery of the aperture.