Sigma APO Macro 180mm F2.8 EX DG OS HSM
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Review of Sigma 180mm f/2.8 EX DG OS HSM APO Macro
By: SLR Gear
As usual, Sigma has identified a hole in other manufacturers' lens lineups and produced an excellent product to fill the gap. There is a lot to like in the Sigma 180mm /2.8 OS Macro: optically, it's one of Sigma's finest, certainly standing head to head with any other lens in the category.