Quote Originally Posted by Mark Elberson


On a side note theExpoimaging Ray Flash Adapter for Canon 580EX states that "The Ray Flash results in minimal light loss from your flash's standard output". Can anyone verify this (Keith B)? Also, has anyone used this as a macro ring-light?



The Ray Flash claims to loose just 1 stop and I would agree that this is pretty true give or take. When attached to a 580EXII it is still a lot of power. I can blow out a room at f/8 200 ISO David Lachapelle style with it. The only issue with the Ray Flash is a lens shorter than 3.5" is going to be too short and you will get ghosting and flare from it.