| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photographing optical system which is compact in configuration, is excellent in optical performance, is less in aberration variation, and is suitable for an imaging apparatus of a digital still camera or a cellular phone or the like. Ž<P>SOLUTION: The photographing optical system comprises a lens group arranged closest to an image side, including an aspherical surface and ordinarily fixed, and a focusing group arranged just before the lens group arranged closest to the image side and movable for focusing. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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