EF 50mm f1.4 DG (EF MOUNT)

●       Aperture Range: f/1.4 to f/16

●       One Molded Glass Aspherical Element

●       Three Special Low Dispersion Elements

●       Super Multi-Layer Coating

●       Floating System & Large Diameter Design

●       Hyper Sonic AF Motor

●       Rounded Nine-Blade Diaphragm

●       Thermally Stable Composite Material

●       Brass Bayonet Mount

●       Compatible with Sigma USB Dock