As the title says. I read a while back that my 7D has something to do with triggering flashes built in. I never shoot with flash, and haven't really had much experience with it, but it's something Id like to learn, so what would I need besides the 430exII to have off camera wireless flash? If anything at all? Im completely new to this area of photography so my apologies. Tried to edit the title, since the 430ex is a speedlite and Im having a bad day already... But I cant. So disregard the title!