EF 50mm f/1.2L USM,Canon EF 50mm f/1.2L USM Ultra-Fast Standard AutoFocus Lens, USA,Canon EF 50 mm F1.2L USM lens: Digital Photography Review,Amazon.com : Canon 50mm F1.8 II EF Lens : Camera Lenses : Electronics,Amazon.com : Canon EF 50mm f/1.2L USM : Camera Lenses : Electronics