| 摘要 |
A lens barrel includes a first frame configured to hold a first optical element, be movable in an optical-axis direction, and hold a position of the optical element in the optical-axis direction in a nonenergized state; a second frame configured to hold a second optical element, be movable in the optical-axis direction, and not hold a position of the optical element in the optical-axis direction in the nonenergized state; and a shock-absorbing portion provided at least one of the first and second frames. In the nonenergized state, the first frame is positioned within a range of the second frame.
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