About the Sigma Zoom Wide Angle-Telephoto 28-80mm f/3.5-5.6 II Mini Zoom Macro Aspherical Autofocus Lens for Minolta/Sony AF Silver
This lens is equipped with a tele-macro mechanism that enables close-up photography at a magnification of 1:2 As a standard zoom, lens, it covers a wide range of focal lengths from 28mm wide angle to 80mm medium telephoto. Lightweight and compact standard zoom lens provides excellent image quality This compact, lightweight (255g/9.0oz), yet robust lens provides excellent image quality and multiple functions: zoom framing and macro photography. Depth curve The lens also features a simple depth curve that serves as a guideline for judging the subject’s depth of field at a specific focal length aperture and distance. Macro feature This lens is equipped with a tele-macro mechanism with a reproduction ratio of 1:2 at 80mm focal length but also allows a minimum focusing distance of 50cm / 19.7 inches over the entire zoom range. Aspherical lens It incorporates an aspherical lens element in the rear lens groups to minimize distortion, spherical aberration and astigmatism. Aspherical lens contribute not only provide high optical performance but also allows the compact size of the lens.