Patent ID: 8098446
Filing Date: 2012-01-17
Classification: G02B,G03B

Abstract:
1. A lens barrel comprising: a first barrel; a second barrel configured to be movable between a retracted position in which the second barrel is retracted inside of the first barrel and a shooting position in which the second barrel is displaced, relative to the first barrel, more toward an incident side than the retracted position, in a direction of an optical axis of the first barrel; an image blur correction unit guided by a cam, the image blur correction unit being movable in the optical axis as the second barrel is rotated and accommodating an image blur correction lens to correct image blur; a support part provided at an end of the first barrel on an exit side in the direction of the optical axis of the first barrel, having a base parallel with a plane intersecting the optical axis, the support part being arranged on an inner diameter side of the first barrel and being provided with a rectilinear key to restrict rotation of the image blur correction unit; a projecting part configured to project on the exit side in the direction of the optical axis of the first barrel from an end of the second barrel; and an accommodating part formed at the base configured to accommodate the projecting part when the second barrel lies at the retracted position and to not accommodate the projecting part when the second barrel lies at the shooting position, a portion of the cam being located at the projecting part, when the second barrel is in the shooting position, the image blur correction unit and the base of the support part are arranged at a position causing no interference with respect to one another.