I have two canon's 600EX-RT and two externals GoDox PB960. What is the proper powerup sequence? (flash->camera->PB960?)When using with Canon's ST-E3-RT every third frame the speedlites do not fire.
Well, I am not asking because I am a pro :). I am asking because it does not make sense that I misss a every 3rd frame and perhaps I am missing a setting or expecting too much. The external battery pack, it is to give you a 1/3s recycling time. It pr...
