Canon EF-S 55-250mm F4-5.6 is STM Lens for Canon SLR Cameras, 58mm 2X Professional Telephoto Lens, High Definition 58mm Wide Angle Lens Bundle with Accessories High magnification, compact and lightweight EF-S telephoto zoom lens with Image Stabilization for up to 3.5* equivalent stops of shake correction. *Based on CIPA (Camera & Imaging Products Association) standards. Testing performed using EOS 7D at focal length of 250mm (400mm in 35mm equivalence) One UD lens element reduces chromatic aberration throughout the zoom range, for excellent image quality with high resolution and contrast. New six-group zoom system provides a compact design while achieving a maximum magnification of 0.29x at the telephoto end. Minimum focusing distance: 2.79 ft./0.85 m (full zoom range). Kit Inlcudes Lens, Lens Cap E-58II, Lens Dust Cap E, Instruction Book,