Patent ID: 8730376
Filing Date: 2014-05-20
Classification: G02B,G03B,H04N

Abstract:
1. A lens barrel comprising: a first lens unit including a first lens element and a first lens support frame supporting the first lens element; a second lens unit including a second lens element arranged to vary a focal length by moving relative to the first lens element in an optical axis direction, and a second lens support frame supporting the second lens element; a focus lens unit including a focus lens arranged to vary a focal state of the optical image by moving relative to the second lens element in the optical axis direction, and a focus lens support frame supporting the focus lens; a zoom mechanism arranged to relatively move the first lens unit and the second lens unit in the optical axis direction, including a zoom control arranged to be operated by the user, and arranged to mechanically transmit the operating force inputted to the zoom control to at least the second lens unit; a focus actuator being fixed to the second lens unit and configured to electrically drive the focus lens unit relative to the second lens unit in the optical axis direction, and a fix frame arranged to block a light; when the second lens unit moves to a position nearest to an image plane, the fix frame is disposed on an outside of the second lens element in a radial direction, the focus actuator is disposed on an outside of the fix frame in the radial direction, and the fix frame is disposed in a space between the focus actuator and the second lens element in the radial direction.