| 摘要 |
PROBLEM TO BE SOLVED: To enhance the operability of a filter operation part operating a filter attached to an insertion type filter holder and to improve the touch of operation at the time of performing the operation in a state where a polarizing filter or the like is attached in a lens barrel having the filter operation part. SOLUTION: The insertion type filter holder 20 attachably/detachably attached in the lens barrel is equipped with a filter holding ring 21 holding a filter frame 23 in which a filter plate 22 is fit, and the ring 21 is made rotatable, and a filter operation ring 11 rotating the ring 21 through a coupling gear 12 is rotatably provided on the outer periphery part of the lens barrel.
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