Sigma 18-250mm f3.5-6.3 DC MACRO OS HSM for Nikon Digital SLR Cameras (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished it shows limited or no wear Includes all original accessories plus a 90-day warranty 18-250mm focal length, only compatible with APS-C DSLRs, 27-375mm equivalent focal length on APS-C cameras, 28.8-400mm equivalent focal length on Nikon cameras Micromotor-type AF motor with full-time manual focusing Image stabilization, Up to 4 stops, 62mm filter size