Sigma 70-200mm f/2.8 DG OS HSM Sports Lens for Canon EF Specifications: - EF-Mount Lens/Full-Frame Format - Aperture Range: f/2.8 to f/22 - Nine FLD Elements, One SLD Element - Super Multi-Layer Coating - Hyper Sonic AF Motor - Intelligent OS Image Stabilization Removable Arca-Type Tripod Foot Dust- and Moisture-Sealed Construction Rounded 11-Blade Diaphragm Compatible with Sigma Teleconverters What's in the box Sigma 70-200mm f/2.8 DG OS HSM Sports Lens for Canon EF LCF-82 III 82mm Lens Cap Rear Cap LCR II for Canon EF Mount Lenses LH914-01 Lens Hood TS-121 Tripod Mount Lens Case