Sigma 35mm f/1.2 DG DN Art Lens for Leica L LensThis Sigma 35mm f 1. 2 DG DN Art Lens is the first wide angle AF lens with f 1. 2 maximum aperture for the full frame Leica L Mount system. It enables a creation of artwork with astounding resolution and large bokeh effects, such as portraits that make use of a shallow depth of field. It brings the development concept of the Art line pursuit of ultimate image quality to the next level. While utilizing optical correction function inside the camera,