Take your mirrorless to the next level benefit from the finest performance that the Sigma's first F1.2 large aperture prime delivers. Bringing the "pursuit of ultimate image quality" to the next level with an F1.2 Art line lens for mirrorless cameras. First wide-angle Af lens with F1.2 maximum aperture for the full-frame Sony E-mount and L-Mount system. This lens 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, aberrations that are difficult to post-process are thoroughly corrected thanks to the optical design and it thereby enhances resolution.