Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC OS HSM Wide Angle Zoom Lens for Canon EOS Digital Rebel XT, XTi, XS, XSi, T3i, T3, T2i, T2, T1i, 5D, 7D, 10D, 20D, 30D, 40D, 50D & 60D Digital SLR Cameras 18mm super-wide-angle Exclusively for Digital SLR Cameras Optical Image Stabilization Fast HSM Internal Autofocus Ideal For Portraits and Snaps