Patent ID: 6970305

Claim:
A lens barrel, comprising: a main optical system; a blur correction optical system included in the main optical system, that corrects image blur by moving along directions intersecting an optical axis of the main optical system; a lens holding frame that holds the blur correction optical system and is allowed to move along the directions intersecting the optical axis of the main optical system; a blur correction drive unit that drives the blur correction optical system and the lens holding frame; and a lock mechanism that restricts movement of the blur correction optical system and the lens holding frame, leaving a play, when blur correction is not executed; wherein: the lock mechanism comprises a frame engaging portion provided at the lens holding frame and a movable engaging portion that is capable of engaging with the frame engaging portion; an optical axis of the blur correction optical system matches the optical axis of the main optical system when the movable engaging portion and the frame engaging portion are in contact with each other, after the movable engaging portion moves to a position to engage with the frame engaging portion and the blur correction optical system and the lens holding frame move in a predetermined direction by the play.