... ,directly Features:Support flash power in camera menuSupport flash control in camera menuSupport EVSupport FE lockSupport flash group setting ... Channel:72. PerformanceFlash Mode:E-TTL,TTL,MSync Mode:1st Curtain,2nd Curtain,High Speed SyncGroup Control:3 different groups(7 ... the flash directly from camera menuSupport camera external flash control flashgunFor Canon 580EX,430 EX,320EX,270EXMetz AF-48, ...