Canon 100mm F2.8 Macro USM AF Lens,Amazon.com : Canon EF 100mm f/2.8L Macro is USM Lens (3554B002) with Filter Kit, Cap Keeper, and Cleaning Set + More (Renewed) : Electronics,Amazon.com : Canon EF 100mm f/2.8L Macro is USM Lens (3554B002) with Filter Kit, Cap Keeper, and Cleaning Set + More (Renewed) : Electronics,Canon EF 100mm f/2.8 Macro Review,Canon EF 100mm f/2.8L IS USM Macro Review by Ken Rockwell