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| Sigma/Tamron/Tokina 3rd party lenses/flashes and accessories from Sigma, Tamron and Tokina. |
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11th February 2008
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Member
Join Date: May 2005
Posts: 58
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Sigma APO 50-500mm F4-6.3 EX DG HSM aka Bigma
I only know of the DG vs non DG versions. I have been hearing rumors of new and old versions of the DG version of the lens. Apparently the new version has better EX coating that doesn't peel off easily and features RF. Any truth in this and if so how to tell them apart?
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