Key Features Full Frame | f/4.5-6.3 to f/22-32 Standard to Ultra-Telephoto Zoom HLA Linear Focusing Motor Dual Action Zoom System OS Image Stabilization SLD and FLD Glass Elements Brass Bayonet Mount and Arca-Type Foot Rounded 9-Blade Diaphragm Sigma 60-600mm f/4.5-6.3...