Light source for exposure

摘要

PCT No. PCT/JP82/00462 Sec. 371 Date Aug. 9, 1983 Sec. 102(e) Date Aug. 9, 1983 PCT Filed Dec. 9, 1982 PCT Pub. No. WO83/02171 PCT Pub. Date Jun. 23, 1983.An exposure light source device wherein a control circuit 1 controls a light source for emitting pulse lights, with respect to the member of light emissions and the amount of light emitted at each time. The light source device is particularly useful for color additive type photographic color enlarger. When the device is used in such an enlarger, the number of light emission and each emitted light amount is determined such that the exposure time is approximately the same regardless of the total amount of exposure.