Importance

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Abstract

An automatic exposure control device for use with a camera having a continuous shooting mode includes, but is not limited to, a photometric unit measuring subject brightness, an exposure control unit controlling the automatic exposure control device according to the operation of the photometric unit, a range finding unit detecting subject distance, a focus control unit focusing a lens of the camera according to the operation of the range finding unit, a mirror raising unit raising a mirror of the camera and a timer timing the time from a start of a shutter release operation of the camera until the completion of a mirror raising operation by the mirror raising unit. The automatic exposure control device controls the range finding and photometry times for photographing a photographic frame during the time from an initial shutter release operation to a next shutter release operation during continuous shooting by adding an amount of time to the total time after the shutter release operation that must elapse before photometry and range finding operations can be carried out. The added amount of time equals the difference between a minimum mirror raising time at which range finding and photometry are possible and a measured mirror raising time.

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First Claim