I have a Nikon SB-900 and I love it. I am looking to expand my off camera capabilities and would love to buy another flash. The one important factor I'm looking for is the compatibility between my ...
I have a Canon 7D and 580EX II Speedlite, and am trying to make the jump into flash photography, particularly portrait work. I understand that the 7D's wireless trigger works by line-of-sight. Will ...