Sigma 105mm F2.8 EX DG AF Macro Lens-Sigma 105mm F/2.8 Macro EX DG Lenses. Sigma 105mm f2.8 Macro Lens is compitable with Nikon, Sony, Canon, Sigma and Pentax, Sigma 105 mm f/2.8 exclusively design for Digital SLR cameras. Sigma 105mm Macro Lens is capable to control ghost and flare effects, Sigma 105mm f2.8 macro lens is equipped with two Special Low Dispersion lens elements in the front lens groups. www.microglobe.co.uk