Sigma 70-200mm F2.8 EX DG OS HSM

Sigma 70-200mm F2.8 style history * 70-200mm F2.8 EX APO – Original version, minimum concentrate distance 1.8m (1999) * 70-200mm F2.8 EX DG – Addition of ‘digitally optimized’ lens coatings to decrease flare (2005) * 70-200mm F2.8 EX DG Macro (HSM) – Minimum concentrate distance decreased to 1m (2006) * 70-200mm F2.8 EX DG Macro [...]  See More..