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. Bright f/2.8 Aperture: Provides excellent low-light performance and depth of field control throughout the zoom range.. Advanced Optical Design: Features three Special Low Dispersion (SLD) elements and three F Low Dispersion (FLD) elements, along with three aspherical elements, to minimize chromatic and spherical aberrations, ensuring high sharpness and clarity.. Super Multi-Layer Coating: Reduces lens flare and ghosting, delivering contrast-rich and color-accurate imagery in various lighting conditions.. Hyper Sonic Motor AF: Offers fast, quiet autofocus with an optimized algorithm, full-time manual focus control, and a built-in lens hood to protect the front element and prevent flare.