Sigma Zoom Lens Set

Sigma 12-24mm f/4

Sigma 24-70mm f/2.8

Sigma 70-200mm f/2.8

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 Diaphragm