Yongnuo YN568EX YN-568EX TTL High Speed 1/8000 Flash Speedlite for Canon 1,Support HSS, the High Speed Sync, up to 1/8000 second 2,Hot shoe TTL for Canon 3,Flash Modes: ETTL / i-TTL, M, Multi Mode 4,Modeling Light 5,Auto and Manual Zooming Head 24  105mm