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Amazon.com : Canon EF 100mm f/2.8L IS USM Macro Lens for,Amazon.com : Canon EF 100mm f/2.8L Macro is USM Lens,100mm/F2.8 L Macro IS USM Prime (EF Mount),Canon EF 100mm f/2.8 L IS USM Macro (Used) - Pro Photo,Canon EF 100mm f/2.8 Macro Review by Ken Rockwell