new Sigma 120-400 OS ?

Started May 16, 2010 | Discussions thread
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Samsolar
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new Sigma 120-400 OS ?
May 16, 2010

Sigma is releasing a new 120-400 len with OS for Sony and Pentax, why would optical stabilizer be needed? would it be better and can you use it with inbody stablizer like Sony and Pentax

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