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D200 & Sigma 120-300mm f/2.8

5683RAM

DUNCANNON, US
34 posts

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5683RAM Silver Member Nikonian since 28th Aug 2007
Sat 19-Dec-09 11:37 AM

I purchased a Sigma 120-300mm, f/2.8 lens in June of 2008. The auto-focus motor has been replaced six times since then (18 months). Generally it lasts less than ten minutes of focusing, but it does work when I receive it back for a little while.

Under warranty, Sigma has replaced the lens once and the auto-focus motor the other times. This has been done with no questions asked, but no explanation given.

I have two Nikon D200 bodies that I have used this lens on, both giving the same results. My other Nikon & Sigma lenses work great on both bodies.

When I sent the lens back yesterday, I included one of these bodies, as requested by Sigma’s general Manager, Mark Amirhamzeh.

What experiences have other photographers had with this lens or lens/D200 combination? Does anyone have any explanation or suggestion?

Thank you, Dick

G