Items included: Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon F, Lens Case, Lens Hood, Lens Cap, Rear Lens Cap, 3-Piece Filter Kit, Full Cleaning Kit, Lens Cap Keeper, Backpack, Lens Pouch, 64 GB Memory Card, Card Reader, Card Wallet. Wide-to-normal zoom for DX-format Nikon F-mount cameras, offering a 27-52.5mm equivalent focal length range.. Bright constant f/1.8 maximum aperture excels in low-light conditions and enhances depth of field control.. Optical design features five SLD elements and four aspherical elements to reduce chromatic. Advanced HSM (Hyper Sonic Motor) and internal focusing system enable fast, quiet autofocus with full-time manual focus control.