INCLUDED - Sigma 28-105mm f/2.8 DG DN Art Lens, front & rear caps, hood, 82mm filter kit, soft case, lens pen, cleaning kit, lens cap tether & Sigma 4-year warranty. SUPERB IMAGE QUALITY - Experience exceptional clarity and detail across the entire zoom range, thanks to advanced optics and aspherical elements that minimize aberrations. VERSATILE FOCAL LENGTH - The 28-105mm range offers flexibility for various shooting scenarios, from wide-angle landscapes to portrait photography, ensuring you capture every moment. CONSTANT F/2.8 APERTURE - Achieve stunning bokeh and excellent low-light performance with the bright f/2.8 aperture, providing consistent exposure and shallow depth of field control.