Sigma 56mm f/1.4 DC DN Contemporary Lens for Micro Four ThirdsOffering an opportunity to experience the fun of shooting wide open, the third addition to the Contemporary series is this smallest mid tele lens in its class, 56mm F1. 4 DC DN Contemporary Lens. While retaining the compact, lightweight, and outstanding image quality concepts of the Contemporary line, thanks to Sigmas leading edge technology, this lens provides the amount of bokeh and admirable brightness expected from f 1. 4 lenses even in the mid