Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Canon EF USED - 16139947 It is controlled using the

It is controlled using the integrated SmartWheel that can connect to your camera to provide zoom

X-ray proof

High Reliability

The 45° fabric grid provides directional control to enable selective lighting

including image stabilization and autofocus Detachable tripod adapter provides support for longer Canon lenses Also included are the Camera Cover R-F-3 and EB Lens Dust Cap

Sigma 17-50mm f/2.8 EX DC OS HSM Lens for Canon EF USED - 16139947 It is controlled using theEF Mount Lens APS C Format 27. 2 80mm (35mm Equivalent) Aperture Range: f 2. 8 to f 22 Two FLD Elements Three Aspherical Elements Super Multi Layer Coating Hyper Sonic Motor AF System OS Image Stabilization Rounded 7 Blade Diaphragm