SIGMA Corporation of America, announce the official release of the highly-anticipated SIGMA 70-200mm F2.8 DG DN OS | Sports lens. A reliable and lightweight large-aperture telephoto zoom lens designed exclusively for full-frame mirrorless cameras, the 70-200mm F2.8 DG DN OS | Sports is available for Sony E-mount and Leica L-Mount. Combining high-speed AF, remarkably … [Read more...]