Aperture device and optical instrument

The aperture device according to an embodiment of the present invention is equipped with: a base plate having an aperture; blades that open/close the aperture; and first and second receiving plates between which the blades are sandwiched. The first receiving plate has pressing parts that press porti...

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Bibliographic Details
Main Authors GOKITA KATSUHISA, SHIODA KAZUYA, KUDO KENICHI
Format Patent
LanguageChinese
English
Published 24.09.2014
Subjects
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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Summary:The aperture device according to an embodiment of the present invention is equipped with: a base plate having an aperture; blades that open/close the aperture; and first and second receiving plates between which the blades are sandwiched. The first receiving plate has pressing parts that press portions of the blades toward the second receiving plate.
Bibliography:Application Number: CN201380006047