Patent ID: 9134589
Filing Date: 2015-09-15
Classification: G02B,G03B

Abstract:
1. A lens barrel which receives light from a subject and forms an image by a lens system, the lens barrel comprising: a fixed frame; a cam frame disposed on an inner peripheral side of the fixed frame and having at least one cam groove; a movable frame including a cam pin which engages with the cam groove of the cam frame, and movable in a direction of an optical axis of the lens system; and a drive part engaging with the cam frame at an end portion of the cam frame, and rotatably driving the cam frame, the drive part and the cam frame being arranged in the direction of the optical axis, wherein a peripheral end of the drive part furthest from the optical axis is located at a radius L from the optical axis, and the cam frame is disposed within the radius L from the optical axis, and a position of the cam frame overlaps with a position of the drive part when projected in the direction of the optical axis.