AUTOMATIC FLASH CONTROL DEVICE

摘要

An automatic diaphragm aperture control device and an automatic flash control device are combined to effect termination of flash firing by adjusting a threshold level in accordance with a light measuring circuit including a first light receiving element. A second light receiving element in the diaphragm aperture control device adjusts the diaphragm aperture in accordance with the intensity of light and also adjusts the threshold for terminating flash firing in accordance with the light intensity measured by the second light receiving element.