INCLUDED - Sigma 28-70mm f/2.8 DG DN Contemporary Lens, lens hood, 4-year warranty, Corel Mac Essentials Suite, 67mm filter kit, cleaning kit, lens pen, lens pouch & lens cap tether. SUPERB IMAGE QUALITY - Achieve exceptional clarity with 2 FLD and 2 SLD lens elements, minimizing aberrations for sharp, detailed images across the 28-70mm zoom range. CONSTANT F2.8 APERTURE - Capture stunning low-light shots and beautiful bokeh with the bright f/2.8 aperture, providing consistent performance throughout the zoom range. FAST AUTOFOCUS - The optimized autofocus system ensures quick, precise, and silent focusing, ideal for both photo and video, so you never miss a crucial moment.