Amazon.com : Canon EF 50mm f/1.4 USM Standard and Medium
Amazon.com : Canon EF 50mm f/1.4 USM Standard and Medium,Amazon.com : Canon EF 50mm f/1.4 USM Standard and Medium,Canon EF-S 50mm f/1.4 Macro USM Lens for Canon Digital SLR,41ZErBQOqnL._AC_UF894,,PSA: Canon issues service notice for EF 50mm F1.4 focus,