The AF-S NIKKOR 24-70mm ED is a highly practical and multi-talented lens that allows photographers to photograph anything from tight portraits to expansive landscapes with just one high-performance fast aperture lens. Designed for use with either of Nikon?s FX and DX format digital SLR cameras.
The Sigma 24-70mm f/2.8 EX DG Macro DF lens has now been optimized to capture superior quality images even with digital cameras. DG is a designation Sigma uses on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras.