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The Sigma 180mm f/2.8 EX DG OS HSM APO Macro was announced leading up to the 2012 Consumer Electronics Show, and has again shown Sigma's ability to target the holes in other manufacturers' lens lineups. A long macro lens with optical stabilization, the lens features an impressive optical formula – 19 elements in 14 groups, complete with three “FLD” elements. We've put this Sigma macro through its paces in our test lab – click here to read our full review of the Sigma 180mm f/2.8 EX DG OS HSM APO Macro!

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via Imaging Resource News Page http://www.imaging-resource.com/news/2012/11/07/lens-review-sigma-180mm-f-2.8-ex-dg-os-hsm-apo-macro

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