| 摘要 |
Unless a release button is pressed halfway to input a command to prepare for capturing a still image, a focus lens is moved at predetermined intervals to focus roughly on a subject. When the release button is pressed halfway, the present position of the focus lens is detected. If the position of the focus lens is closer to a lens terminal on a short shooting distance side, the focus lens is moved from the lens terminal on the short shooting distance side toward a lens terminal on a long shooting distance side. If the position of the focus lens is closer to the lens terminal on the long shooting distance side, the focus lens is moved from the lens terminal on the long shooting distance side toward the opposite lens terminal. When an in-focus position is detected while the focus lens is being moved, the focus lens is immediately set at the in-focus position.
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