| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical device that can suppress the tooth skipping or biting of a rack part when there is external impact force without enlarging a lens tube.SOLUTION: An optical device includes a fixed barrel, an optical element holding frame for holding an optical element, a rack part displaceable in optical axis direction with the optical element holding frame, a rotatable lead screw meshing with the rack part, a motor that rotationally drives the lead screw, and holding means that holds the motor and is attached to the fixed barrel through an elastic member. |
