Sigma 35mm f1.4 DG HSM Art Lens for Nikon F

Key Features F-Mount Lens/FX Format Aperture Range: f/1.4 to f/16 One FLD Element, Four SLD Elements Two Aspherical Elements Floating Elements System Super Multi-Layer Coating Hyper Sonic AF Motor, Manual Override Rounded 9-Blade Diaphragm Compatible with Sigma USB Dock