Patent ID: 7768722

Claim:
A lens barrel comprising: an imaging optical system; and an image blur correction unit moving a shift lens forming the imaging optical system in a plane perpendicular to an optical axis of the imaging optical system, wherein the image blur correction unit includes a second movable body holding the shift lens and provided to be movable in two directions perpendicular to each other on a plane perpendicular to the optical axis, a fixed lens holding frame holding a fixed lens forming the imaging optical system is placed in front of the second movable body, and a movement control structure is provided in a region ranging from the second movable body to the fixed lens holding frame to allow movement of the second movable body in the two directions and control a range of movement of the second movable body, wherein a positioning pin is provided in one of the second movable body and the fixed lens holding frame, a positioning recess having a size sufficient to allow movement of the positioning pin inserted into the positioning recess in the two directions is provided in the other of the second movable body and the fixed lens holding frame, and the movement control structure is formed by the positioning pin and the positioning recess.