Sigma releases 70-200mm DG DN OS: internal zoom tele lens for mirrorless
The Sigma 70-200mm F2. 8 DG DN OS | Sports, which does not change in size as you zoom. Photo: Sigma Sigma has announced the 70-200mm F2. 8 DG DN OS lens for full-frame Sony E-mount and Leica, Sigma and Panasonic L-mount cameras that it's been promising for some weeks now. dpreview.com »