| 摘要 |
PROBLEM TO BE SOLVED: To provide a diaphragm device and an optical apparatus where displacement of a blade is suppressed.SOLUTION: A diaphragm device comprises: a substrate comprising an opening; a blade for opening and closing the opening; and first and second receptacle plates holding the blade between the receptacle plates. The first receptacle plate comprises a pressing part for partially pressing the blade toward the second receptacle plate. |
