Compatible Cameras : SA-STTL (SIGMA), EO-ETTL (CANON),MA-ADI (MINOLTA), NA-iTTL (NIKON), PA-PTTL (PENTAX) Features : - Equipped with New TTL Auto Flash Exposure - Autozoom function for changing the illumination angle in accordance with the lens' angle of view. - Bounce-flash function with movable flash head - Auto Power-Off function prevents wasted power. - AF auxiliary light is very convenient for photography in a dark place. - Manual Switching of the amount of light - TTL Wireless Flash Function