| 摘要 |
PROBLEM TO BE SOLVED: To prevent a filter effect obtained before and after driving an optical system in an optical axis direction from being changed when an optical filter is accidentally rotated at the time of driving the optical system in the optical axis direction. SOLUTION: In the optical equipment provided with mechanisms 1, 2, 3, 4 and 28 for driving the optical system (photographing optical system, photometry optical system or finder optical system) in the optical axis direction and an optical filter 35 arranged in the optical system, the optical filter is supported by a straight advance member (shutter holding member 28) moving in the optical axis direction in a non-rotating state around an optical axis out of members constituting the mechanism.
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