Ambient light sensitive automatic flash control circuit
Apparatus for releasing flash device automatically
Automatic emission device suitable for use as light source, such
Camera exposure apparatus having flash tubes for correcting for
Camera having an automatically operated built-in strobe
Controller for controlling a built-in flash of a camera
Controller for controlling a camera having a built-in flash
Image pickup apparatus and flash unit and method of...
Light measuring apparatus and camera using the light measuring a
Photometric device and camera having the photometric device