| 摘要 |
An image pickup apparatus which can reduce the time required for automatic focus scanning. The size of the face is determined based on information on a subject's face, which is detected from image data acquired by shooting by an image pickup device. The subject distance is estimated based on the determined size of the face. The depth of field is calculated. A range over which the focus lens is driven varies according to the estimated subject distance and the calculated depth of field.
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