| 摘要 |
PROBLEM TO BE SOLVED: To provide a hood capable of easily eliminating accumulated substance such as snow accumulated on its inner periphery side, an interchangeable lens, and optical equipment. SOLUTION: The hood 1 used for an optical member having an optical system is equipped with: a light shielding wall part 2 provided around the optical axis O of the optical system and intercepting unnecessary light for the optical system; an aperture part 2f penetrating through the light shielding wall part 2; and a movable part 3 rotatably attached to the light shielding wall part 2 and capable of rotating between a light shielding position where the aperture part 2f is closed and an opening position where the aperture part 2f is opened. COPYRIGHT: (C)2008,JPO&INPIT
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