Sigma 85mm f/1.4 DG HSM Art Lens for Canon EF

Key Features EF-Mount Lens/Full-Frame Format Aperture Range: f/1.4 to 16 Two Low Dispersion Elements One Aspherical Element Super Multi-Layer Coating Hyper Sonic AF Motor, Manual Override Rounded 9-Blade Diaphragm TSC Material, Brass Bayonet Mount Compatible with Sigma USB Dock