| 摘要 |
A lens barrel or an optical apparatus comprises a lens unit arranged to be movable in an optical axis direction, a plurality of shafts which hold a stop arranged to block undesirable light and which extend in the optical axis direction, and a support member which supports the plurality of shafts while allowing the plurality of shafts to be moved in the optical axis direction, wherein the plurality of shafts are moved by being pushed by the lens unit, thereby moving the stop.
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