Delivering versatile full-frame optics in a palm-sized design, the 20-60mm f/2.8-4 DG Contemporary Lens from Sigma is a wide-to-normal zoom that offers a dynamic field of view. Weighing just 13.2 oz, the 20-60mm pairs a bright f/2.8 maximum aperture at the wide end with impressive macro capabilities, rendering sweeping landscapes, low-light interiors, and rich close-ups with equal ease.