- EF-Mount Lens/Full-Frame Format
- Aperture Range: f/2.8 to f/22
- Two FLD Elements Two SLD Elements
- Low Dispersion and Aspherical Elements
- Super Multi-Layer Coating
- 1:1 Magnification 10.2" Min. Focus
- Coreless DC AF Motor Manual Override
- Weather-Sealed Brass Bayonet Mount
- Rounded 9-Blade Diaphragm
- Compatible with Sigma USB Dock