Items included: Sigma 14-24mm f/2.8 DG HSM Art Lens for Nikon F, Lens Cap, Rear Lens Cap, Full Cleaning Kit, Lens Cap Keeper, Backpack, Lens Pouch, 64 GB Memory Card, Card Reader, Card Wallet. Wide-angle zoom designed for DX-format Nikon F-mount cameras, providing a 15-30mm equivalent focal length range.. Constant f/2.8 maximum aperture is ideal for low-light conditions and offers greater control over depth of field.. Optical design includes three Special Low Dispersion (SLD) elements and three F Low Dispersion (FLD) elements to reduce chromatic aberrations and color fringing, with three aspherical elements to control distortion and spherical aberrations.. Super Multi-Layer Coating minimizes flare and ghosting, enhancing contrast and color accuracy, and a built-in lens hood helps protect the front element and prevent stray light from causing flare.