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D700 + Sigma 100-300mm F4 autofocus problem.

wreknball

US
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wreknball Registered since 24th Jan 2009
Sun 25-Jan-09 12:07 AM

I am having issues with autofocus with my D700 body and the Sigma 100-300mm F4 lens. Whatever I try, it will not autofocus to save my life. My two other Nikkor lenses autofocus just fine.

I can manually focus the Sigma and control f-stop, etc. and the D700 seems to be reading the information from it. It was working flawlessly with my D300 (which has since been sold), but it's been a while since I used it. I've been searching a few forums to see if anyone else has had the problem, but so far have come up dry.

Thanks!!

G