| 摘要 |
PROBLEM TO BE SOLVED: To provide a camera by which the photographing of bright portrayal is attained in the photographing at a dark place. SOLUTION: The aperture regulation of a diaphragm is released in the case that the luminance of field is equal to or lower than a specified value, so that the diaphragm is set by an aperture incorporating a first maximum aperture and between the first maximum aperture and a second maximum aperture stopped down than the first maximum aperture in accordance with the luminance of field measured by a photometric part. COPYRIGHT: (C)2003,JPO
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