| 摘要 |
PROBLEM TO BE SOLVED: To provide a lens barrel with a built-in ND filter having an increased diameter.SOLUTION: A rotational optical element (polarizing filter) 43 is stored in a storage wall section 100d of a base member 100 when in a withdrawn position. An ND filter 110, when in a withdrawn position, is stored in a shutter unit 81 inside the storage wall section 100d of the base member 100 in such a way that the ND filter 110 overlaps with the rotational optical element (polarizing filter) 43 when viewed from a direction parallel to an optical axis O of an image capturing optical system. |
