Sigma 12-24mm f/4 DG HSM Art Lens for Canon EF EF-Mount Lens/Full-Frame Format, Aperture Range: f/4 to f/22, Five FLD Elements, One SLD Element, Three Aspherical Elements, Super Multi-Layer Coating, Hyper Sonic Motor AF System, Rounded 9-Blade...
Sigma 12-24mm f/4 DG HSM Art Lens for Canon EF EF-Mount Lens/Full-Frame Format, Aperture Range: f/4 to f/22, Five FLD Elements, One SLD Element, Three Aspherical Elements, Super Multi-Layer Coating, Hyper Sonic Motor AF System, Rounded 9-Blade...