发明申请
US20120213505A1 FOCAL PLANE SHUTTER AND OPTICAL APPARATUS 有权
FOCAL PLANE SHUTTER和OPTICAL APPARATUS

FOCAL PLANE SHUTTER AND OPTICAL APPARATUS
摘要:
A focal plane shutter includes: a board including an opening; a drive lever swingably supported by the board, biased from a start end to a terminal end of a swingable range by a drive spring, and driving blades opening and closing the opening; and a set member rotating in a first direction to position the drive lever at the start end, and then rotating in a second direction.
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