| 摘要 |
PROBLEM TO BE SOLVED: To accurately move a photographing lens to a target spot in a specified time by restraining the influence of an environmental condition. SOLUTION: This device is equipped with a lens driving means 12 driving and focusing the photographing lens 4, a defocusing amount detecting means 5 detecting the defocusing amount of the lens 4, a moving locus setting means 7 setting the optimum moving locus of the lens 4 to the target spot based on the defocusing amount detected by the detecting means 5, and a control means 7 controlling a lens driving means 12 to move the lens 4 along the moving locus set by the setting means 7. |
