High Definition 3.5X Telehoto Lens For The Canon T1i, XS, XSI, XT, XTI, 50D, 40D, 30D, 20D, 10D, 5D, 1DS MARK 2 & 3, 1D MARK 2 & 3 Digital SLR Cameras Which Have Any Of These (18-55mm, 75-300mm, 50mm 1.4 , 55-200) Canon Lenses Mounts on any lens with 58mm filter thread - no adapter needed Unique Lens Barrel Design - Solid Professional Build Multi Coated Optics Lens System 3 Elements in 3 Groups 72mm Front Thread for Filter Mounting One year Warranty!