You'll marvel at the exceptional quality and performance of the Sigma 28-70mm F2.8 Dg Dn Contemporary Lens, designed exclusively for mirrorless cameras and fully compatible with full-frame models. This lens is a game-changer in the world of large-aperture mirrorless zoom lenses, offering a perfect blend of superior optical performance, constant F2.8 aperture, and a compact, lightweight body that's perfect for everyday use.The design of this lens is inspired by Sigma's esteemed Art line, promising the same uncompromising optical performance. It's the smallest and lightest lens in its class, making it an ideal choice for photographers seeking professional quality results without the bulk. The Sigma 28-70mm F2.8 Dg Dn Contemporary Lens is equipped with an advanced optical design that includes three aspherical, two Fld, and two Sld elements.