| 摘要 |
An optical apparatus includes a first lens for zooming, a second lens which is arranged in rear of the first lens on an optical axis to correct a shift of a focal plane caused by a motion of the first lens, a vibration wave motor arranged to serve as a drive source for the second lens, and a decision circuit which decides a driving direction and a driving speed of the vibration wave motor by using at least information on the positions of the first and second lenses.
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