| 摘要 |
A lens barrel is configured to adjust a position of an adjusted lens in the direction of an optical axis with respect to another lens. The lens barrel includes a lens frame configured to retain the adjustment lens and a base frame configured to adjustably retain the lens frame. The lens frame includes a first adjustment stepped surface including a plurality of adjustment surfaces that are adjacently disposed in the direction of rotation of the lens frame and are provided with different heights, and a second adjustment stepped surface. The second adjustment stepped surface is disposed at a position exhibiting a 180 degree rotational phase from the position of the first adjustment stepped surface. The base frame includes a support surface configured to abut with the first adjustment stepped surface and the second adjustment stepped surface. |
