SIGMA 35MM F1.2 DG DN ART E-MOUNTE Mount Lens Full Frame Format Aperture Range: f 1. 2 to f 16 Three Aspherical & Three SLD Elements Hyper Sonic Motor AF System ###split### Created for full frame Sony E mount mirrorless cameras, this Sigma 35mm f 1. 2 DG DN Art Lens features Sigma's first prime lens design with a f 1. 2 maximum aperture. Delivering excellent image quality while optimizing size, as well as weight, the lens' fast f 1. 2 aperture helps to achieve shallow depth of field