Sigma 35mm f/1.4 DG HSM Art Lens for Canon EF

Key Features
EF-Mount Lens/Full-Frame 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