| 摘要 |
An image pickup apparatus is arranged to receive from a lens unit a predetermined signal for indicating whether or not a focus lens is movable by a mount of movement corresponding to first information within a predetermined time, if the received predetermined signal indicates that the focus lens is movable by the amount of movement corresponding to the first information within the predetermined time, make first information on the basis of a focus signal generated from an image signal corresponding to charges accumulated during a first period, and if the received predetermined signal indicates that the focus lens is not movable by the amount of movement corresponding to the first information within the predetermined time, make the first information on the basis of a focus signal generated from the image signal corresponding to the charges accumulated during a second period after the first period. |
