Mountable on Canon, Nikon, and SIGMA cameras, and compatible with SIGMA’s MC-11 Sony E-mount converter, the SIGMA 14-24mm F2.8 DG HSM | Art lens delivers a high level of sharpness with near zero distortion, along with high-speed and high-accuracy AF, that matches up perfectly with today’s high-resolution cameras. The lens contains 3 FLD ("F" Low Dispersion) glass elements, 3 SLD (Special Low Dispersion) glass elements, and 3 aspherical lens elements, including an φ80mm high precision molded glass aspherical element. It has special sealing at numerous points for dust and splash proof protection. Thoroughly modern, the Nikon mount features a brand new electromagnetic diaphragm; the Canon mount is compatible with the Canon Lens Aberration Correction function.