Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon F OverviewThe Nikon F-mount Sigma 18-35mm f/1.8 DC HSM Art Lens is a wide-angle to normal-length zoom that features a fast, bright constant f/1.8 maximum aperture. It is specifically designed for use with APS-C-sized sensors and provides a 35mm-equivalent focal length range of 27-52.5mm.What's In The BoxSigma 18-35mm f/1.8 DC HSM Art Lens for Nikon FPetal-Type Lens HoodFront Lens CapRear Lens CapPouchExtra Bundle Items:Lens Pen Cleaner (Has Felt Tip and Brush Tip - Must Have!)Dust BlowerLens Cleaning SolutionLens Cap KeeperSoft Lens Pouch2 Year Extended Warranty Included (Replaces Manufacturer Warranty)