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
