Sigma 24-70mm f/2.8 DG OS HSM Art Lens - Canon EF

EF-Mount Lens/Full-Frame Format

Aperture Range: f/2.8 to f/22

Three SLD Elements

Four Aspherical Elements

Super Multi-Layer Coating

Hyper Sonic Motor AF System

OS Image Stabilization

Rounded 9-Blade Diaphragm