| 摘要 |
PURPOSE:To prevent the erroneous correction of a moving body executed because the detecting accuracy of moving speed is not high from being executed prolonging time lag in a camera provided with a range-finding means which corrects the moving body. CONSTITUTION:Range-finding executed twice by the range-finding means 1 by delaying a prescribed time. When the range-finding values thereof are nearer than a prescribed distance or when the moving speed of an object along the optical axis direction of a lens is a prescribed value or under, it is decided by a decision means 2 that the output of a speed arithmetic means 4 is reliable and the position of the object at the starting time of exposure is obtained by a driving quantity arithmetic means 3. Besides, the lens is driven to the position by a driving means 5. |
