| 摘要 |
An optical apparatus includes a calculator that calculates a position of a focus lens for focusing on a subject, a setter that sets a permissible movable range of the focus lens, and a controller that sets, when the position of the focus lens calculated by the calculator is within the permissible movable range, the position to a target position to which the focus lens is moved. The setter redefines the permissible movable range based on position information showing one of the target position and a position of the focus lens after a movement of the focus lens toward the target position. The optical apparatus suppresses a focusing operation for a subject for which an operator does not intend to perform focusing.
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