Patent ID: 7443445
Filing Date: 2008-10-28
Classification: G02B,H04N

Abstract:
1. A lens unit, comprising: a mounting cradle; a cylindrical portion in an optical axis direction fixed to said mounting cradle; a lens frame held to said cylindrical portion to be capable of moving to the optical axis direction; a lens fixed to said lens frame; an adjusting shaft provided to an outside of said cylindrical portion in parallel with the optical axis direction; a position standard member that is provided to said adjusting shaft and whose position with respect to said mounting cradle is fixed; a cam member that is fixed to said lens frame and is engaged with said adjusting shaft; and a switching member provided between the position standard member and the cam member so as to be capable of rotationally moving about said adjusting shaft, wherein a position of said lens frame in the optical axis direction is switched by the rotational movement of said switching member.