Patent ID: 6798986
Filing Date: 2004-09-28
Classification: H05B

Abstract:
A slave light-emission controlling device for controlling a slave light emission of an auxiliary light-emitting part in response to a light emission of a master flash device, comprising:a light receiving part for receiving light of said master flash device; and a flash light amount ratio controlling part for controlling a pre-flash light amount ratio and a main flash light amount ratio based on pre-flash and main flash lights of said master flash device received by said light receiving part so that the flash light amount ratios are caused to be approximately equal to each other, said pre-flash light amount ratio being a ratio in amount of light between the pre-flash light of said master flash device and a pre-flash light of said auxiliary light-emitting part, and said main flash light amount ratio being a ratio in amount of light between the main flash light of said master flash device and a main flash light of said auxiliary light-emitting part.