INCLUDED - Sigma 28-105mm f/2.8 DG DN Art Lens, front & rear caps, hood, 4-year warranty, soft case, 82mm filter kit, lens pen, optics care kit, & lens cap tether. SUPERB IMAGE QUALITY - Achieve exceptional clarity and detail across the entire zoom range with advanced optics, including FLD, SLD, and aspherical elements for stunning results. VERSATILE FOCAL LENGTH - The 28-105mm range offers flexibility for various shooting scenarios, from wide-angle landscapes to telephoto portraits, making it an ideal all-in-one lens. CONSTANT F/2.8 APERTURE - Capture beautiful bokeh and excel in low-light conditions with the bright f/2.8 aperture, providing consistent performance throughout the zoom range.