Sigma 150-500mm f/5-6.3 APO DG OS HSM Lens for Nikon F Mount Bundle Nikon F Mount/FX Format; Aperture Range: f/5 to 22 Three Special Low Dispersion Elements; Super Multi-Layer Lens Coating Hyper Sonic Autofocus; Motor Optical Image Stabilization Rear Focus System; Filter Diameter: 86mm Detachable, Rotatable Tripod Collar; Rounded 9-Blade Diaphragm