Canon EF-S 55-250mm f/4.0-5.6 IS Telephoto Zoom Lens for Canon Digital SLR Cameras EF-S 55-250mm f/4-5.6 IS zoom lens with 35mm equivalent of 88-400mm Image Stabilization allows in-focus shots with longer exposure times (up to four shutter speeds slower) UD (Ultra-low Dispersion) glass lens element corrects chromatic aberration for excellent image quality throughout the zoom [...]