Canon Ef 17-55mm F2.8 Is Usm Lens

Canon EF-S 17-55 f/2.8 IS USM Lens 17-55mm wide-angle zoom lens with f/2.8 maximum aperture EF-S-Mount Lens/APS-C Format 27.2-88mm (35mm Equivalent) Aperture Range: f/2.8 to f/22 Two UD and Three Aspherical Elements Super Spectra Coating Ring-Type Ultrasonic Motor AF System Optical Image Stabilizer Rounded 7-Blade Diaphragm Image Stabilizer lens groups 1-year warranty