Canon 60mm f/2.8 EF-S Macro USM EF-S lens - exclusively for Canon EOS 20D, Digital Rebel XT, per March 2005 True flat-field macro lens that can focus to full life-size magnification Fill the frame with a subject the size of a penny Working distance of nearly 4 inches from front of lens to subject at 1x Canon's shortest focal length macro lens ever with fully internal focusing