| 摘要 |
PROBLEM TO BE SOLVED: To prevent a holder from abutting against a lens barrel by restricting the movement range of a coupling member to a range smaller than the movement range of the holder in the space part of a lens barrel. SOLUTION: The output shaft 45 of an actuator 40 is coupled with the coupling member 43 provided to the holder 41 which holds a zoom lens 30 while a slight gap is left along the optical axis. A 1st restriction member 51 and a 2nd restriction member 52 are adhered and fixed to the lens barrel 42 and a stationary member 49 at the movement end of the actuator 40. The 1st and 2nd restriction members 51 and 52 restrict the movement of the actuator 40 when the holder 41 approaches the limit position of the movement range, i.e., approaches the end part of the lens barrel 42 to prevent the holder 41 from abutting against the lens barrel 42. In this case, the restriction members 51 and 52 are provided with their abutting surfaces in a plane perpendicular to the forward/backward movement axis of the actuator 40, so when the coupling member 43 abuts, the coupling member 43 comes into uniform contact with the restriction members 51 and 52. |
