Sigma 18-250mm f3.5-6.3 DC MACRO OS HSM Lens with UV, CPL, FLD, ND4 and +10 Macro Filters for Nikon D7200, D7100, D7000, D5500, D5300, D5200, D5100, D3300, D3200 and D3100 Digital SLR Cameras 18-250mm focal length, only compatible with APS-C DSLRs (see title) 28.8-400mm equivalent focal length on APS-C cameras HSM (Hyper-Sonic Motor) ensures a quiet and high-speed auto focus Micromotor-type AF motor with full-time manual focusing, Image stabilization, Up to 4 stops Authorized Dealer - 4 Year Sigma USA Warranty