Sigma 50-200mm F4-5.6 DC OS HSM

Announced Mar 3, 2009 •
Telephoto zoom lens | Canon EF, Nikon F (DX), Pentax KAF3, Sony/Minolta Alpha, Sigma SA Bayonet
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Review of Sigma 50-200mm f/4-5.6 DC OS HSM
By: SLR Gear

While the obvious alternative is the non-OS Sigma 55-200mm ƒ/4-5.6, we haven't tested it so we can't speak to whether or not Sigma has improved on the original package. Used wide open it's above average, stopped it down to ƒ/5.6 or ƒ/8 and it provides good performance. With internal focusing and optical stabilization, there's a lot to like about the new lens, especially considering the low...

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