Use: Landscape, Portrait, Available Light The first of the series is the standard lens 30mm F1.4 DC DN | Contemporary and the second the wide-angle lens 16mm F1.4 DC DN | Contemporary. The third member is now this smallest medium telephoto lens in its class: the 56mm F1.4 DC DN | Contemporary. Like the other lenses in the Contemporary product line, this lens is compact, lightweight and yet has exceptional image quality. Thanks to SIGMA's breakthrough technologies, this lens offers just the level of bokeh and superb light output expected of F1.4 mid-range telephoto lenses. This lens completes the high-intensity series, which now consists of portable wide-angle, standard and telephoto lenses.