Bundle Includes: Sigma 28mm f/1.4 DG HSM Art Nikon F Bundle, Backpack, Filter Kit, Lens Cap Keeper, Cleaning Solution Cleaning Cloth, Tabletop Tripod, Air Blower, Cleaning Brush. Exceptional Optical Performance with Advanced Glass Elements Engineered for professional-grade clarity, the Sigma 28mm f/1.4 Art lens incorporates two FLD (F Low Dispersion) and three SLD (Special Low Dispersion) elements to reduce chromatic aberration and color fringing. Combined with three precision-molded aspherical elements, this advanced optical design ensures edge-to-edge sharpness, minimal distortion, and superior color fidelityperfect for high-resolution Nikon FX-format DSLRs.. Ultra-Bright f/1.4 Aperture for Low-Light Mastery Capture stunning detail in any lighting condition with the ultra-wide f/1.4 maximum aperture. Whether shooting indoors, at dusk, or under ambient street lighting, this lens delivers superior brightness and excellent subject separation. Its shallow depth of field capability is