Patent ID: 6363221
Filing Date: 2002-03-26
Classification: G03B

Abstract:
A camera system capable of controlling a flash unit, which is arranged to perform a main emission pointed at a subject and perform an exposure operation, comprising:(a) a circuit which performs a preliminary emission pointed at a subject; (b) light measuring circuit which performs measurement of a light reflected from the subject during the preliminary emission; (c) computing circuit which computes an amount of emission of a main emission on the basis of a result of the measurement of the reflected light; (d) flash-unit control circuit which controls the amount of emission of the main emission on the basis of a computation result provided by said computing circuit; and (e) a diaphragm setting circuit for forcedly setting a diaphragm of a photographing lens to a fully open aperture value before the preliminary emission, wherein said preliminary emission is performed while the aperture is maintained in a fully opened state.