Grega Fenko wrote:
> Hi Rick!
>
> Didn't myself, but I know a guy that uses it regularly on EOS 5.
> I've only seen what his work on 10x15cm pictures and that it wignetes bad at
> 17mm when used with 540EZ strait on, as 540EZ only goes to 18mm.
> Others I'm sure will know more.
>
> Good light
>
> Grega
> http://fenko.8m.com
Are you sure he has a Sigma 17-35? Because I have not experienced any
vignetting with mine. A flash does not cause vignetting, only the edges
of the lens or lens hood. What that may be is light fall off.
Skip
--
Shadowcatcher Imagery
http://www.shadowcatcherimagery.com
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