To solve the problem that, in a conventional exposure condition switching device, in a case where an operation amount necessary for switching of exposure conditions increases, the size of the entire device becomes considerably large.
An exposure condition switching device 3 includes: a filter unit 55 to be an optical unit for switching of exposure conditions; housings (11, 12) for supporting the filter unit 55 so as to be movable; and driving means (56, 57) of moving a filter unit 55 to switch exposure conditions while being attached to the housings (11, 12). The housings (11, 12) form an arc-shaped orbit having an arc center P1 to an outside space, and have movement guidance means (25, 26, 42, 43) for guiding the movement of the filter unit 55 along the orbit.
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KORI NAOMICHI
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Toru Yui
Hitoshi Kiyono
Fukuoka Masahiro
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