SA Mount Lens/Full-Frame Format Aperture Range: f/1.4 to f/16 Two FLD Elements and Five SLD Elements Two Aspherical Elements Super Multi-Layer Coating Hyper Sonic AF Motor, Manual Override Rounded 9-Blade Diaphragm TSC Material, Brass Bayonet Mount Built-In Petal-Shaped Lens Hood Compatible with Sigma USB Dock.

Key Features

• SA Mount Lens/Full-Frame Format
• Aperture Range: f/1.4 to f/16
• Two FLD Elements and Five SLD Elements
• Two Aspherical Elements
• Super Multi-Layer Coating
• Hyper Sonic AF Motor, Manual Override
• Rounded 9-Blade Diaphragm
• TSC Material, Brass Bayonet Mount
• Built-In Petal-Shaped Lens Hood
• Compatible with Sigma USB Dock