I'm using a Canon Rebel XT with the Canon Vertical Grip and a 430EX Speedlite. I have it all monted on a Stroboframe VH 2000 Stroboflip Bracket. It's a bit difficult to use the Vertical Grips shutter release while it's on the bracket but not impossible. In-fact it is comfortable to use the vertical controls but your hand is not positioned the same as you may be use to, and you do need to hold the lens. The great thing is that I can use this bracket with one hand, no need to support the flash for balance. This isn't a pretty set-up but it looks so functional that photographers are always asking 'what camer is that?'. If one was to use the Stroboframe, I would suggest getting an Omni-Bounce as well.
Speedlite Bracket SB-E1
in Canon EOS Mount
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