Test flash device for flash discharger

摘要

A test flash device in a photographic flash discharger which includes a photometric circuit including an integrator and exposed to light emitted from a flash discharger tube and reflected by an object to be photographed. A light emission stopping circuit is provided to stop light emission in response to a signal from the photometric circuit. A display circuit is provided to present a change in display when light emission stops. A test flash circuit is provided which regulates the time of light emission during test flashing to a predetermined short time.