Canon Speedlite 600EX-RT Flash,Canon Support for Speedlite 600EX-RT | Canon U.S.A., Inc.,Canon Support for Speedlite 600EX II-RT | Canon U.S.A., Inc.,Canon Announces New Top-of-the-line Speedlite 600EX II-RT,Borrowing a canon 600EX speedlight but can't find anything about it. Only the 600EX-RT. I have a godox transmitter and receiver I'm trying to figure out how to use with it. Any,