| 摘要 |
PROBLEM TO BE SOLVED: To reduce a failure of interval photographing by acquiring an image by a plurality of focal lengths in the interval photographing. SOLUTION: A multi-focus photographing mode for capturing a plurality of photographed at different focal lengths at each interval is added to an interval photographing function of a camera device. When photographing is performed by using, for example, the number of image sheets and the maximum and minimum focal lengths, a focusing position is fixed to the center of the screen of the camera device. The focal length is changed stepwise in a range of a maximum to minimum focal length with the focal length obtained by autofocusing as a reference for each interval, and a plurality of the image photographing are performed. Consequently, the plurality of images photographed at the different focal lengths are captured at each interval. Thus, the probability of failure photographing caused by an unwilling focus can be decreased. COPYRIGHT: (C)2006,JPO&NCIPI
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