I have the following two new cameras:
Canon 5D-MKIII & Sony A7-MKII
I'm looking to see if I can avoid buying 2 different flash systems, will any of the new Yongnuo flashes (or other flash systems) work with 'both' Canon 5D-III and Sony A7-II?
If, yes, which of the Yongnuo flash will this be?
Regardless of the answer above, (either yes or no), what combination of the Yongnuo flash (or other) flash system do I need to make TTL work on both (or any) of the above cameras?