The Sigma 24 millimeter 1.4 DG HSM Art is a state of the art wide-angle prime lens designed for Full Frame cameras but will work with APS-C sensors as well. Using over 50 years of lens making experience, particularly the knowledge gained from the 35 millimeter 1.4 Art and the 50 millimeter 1.4 Art, the 24 millimeter 1.4 Art is aimed at being the new standard for fast aperture wide angle prime lenses.