SIGMA 50-500MM F/4.5-6.3 APO DG OS HSM LENS FOR NIKON
For Digital SLRs w/ Nikon MountFull Frame or APS Size Sensor CamerasStandard to Super Telephoto ZoomOS (Optical Stabilizer) Minimizes BlurHyper Sonic Motor (HSM)Compatible w/Sigma APO Teleconverters