Covering a useful variety of ultra-wide focal lengths, the Nikon F-mount Sigma 12-24mm f/4 DG HSM is an Art-series zoom, characterized by its advanced design to greatly reduce distortion for a high degree of sharpness. Included:Sigma 12-24mm f/4 DG HSM Art Lens for Nikon FManufacturer Accessories:Sigma Cover Lens Cap for 12-24mm f/4 DG HSM Art Lens Sigma Rear Cap LCR II for Nikon F Mount Lenses Lens CaseBundle Accessories:Pro Series 70″ MonopodSandisk Extreme Pro 64GB SD Card DSLR Sling BackpackWrist / Hand Grip Strap Highspeed SD Card ReaderLens Cap KeeperHigh Quality Lens Cleaning PenHigh Quality Dust BlowerStarter Cleaning Kit