Hi all,
I am the one who first posted about the flash light problem when the flash is mounted on a bracket.
Sorry if I did not post enough equipment details the first time. Camera is a 1Ds (full frame 35mm aspect ratio), flash 550EX, lens 24 - 70 L, and Canon sync cord 2.
One poster mentioned if the flash was zooming with the lens. I had not thought of that, so I made sure and checked that out. Yes, the flash does zoom with the lens when mounted on the bracket.
Another poster stated that he used a bracket that rotated his camera but not the flash, and had no lighting problems like mine. All I can say is, consider yourself lucky. Are you using a wide angle lens? I have not taken test photos in small increments to see *exactly* when the problem gets it's worse. I do know that at 70mm, the problem is very slight to almost non existent, but at 24mm the problem is EXTREME. Just picture placing a horizontal rectangle of light against a vertical rectangle of darkness. The center of the scene is lit, and the top and bottom are dark, or at least much dimmer than the center.
I have to agree with those who state I am just using the wrong type of flash for the situation. I checked the Quantum Qflash unit, but I really don't want to invest a $1000 to cure this problem. I will just continue to use a bounce deflector on my 550.
Oh well....
Steve
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