Sigma 500mm f4 SPORT DG OS HSM Lens for Nikon F

Introducing the new flagship lens of the Sigma Sports line. A portable, durable lens, the Sigma 500mm f4 SPORT DG OS HSM Lens features a dust and splash proof construction, Optical Stabiliser OS system, compatibility with Sigma's teleconverters, a Hyper Sonic Motor HSM, and top level optical performance. This lens sets a new standard for high performance telephoto lenses.