| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique for photographing such an image that an entire continuous area from a far distance to a close distance is focused only by using a novel spacial lens, without using a conventional spacial image processing technique. Ž<P>SOLUTION: A lens whose depth of field is curved is configured so that the shape of the depth of field (DOF) is extremely curved by the reverse correction and overcorrection of a field curvature. An optical device for photographing an all-focused image is configured so that the surface of an object coinciding with a curvature can be photographed as a focused image by using the lens with a depth of field extremely curved. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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