Canon 50mm f 1.4 usm ef mount lens July 8, 2019 16 32 64 128 Canon 50mm f 1.4 usm ef mount lens 58 Canon 50mm 1.4 lens Canon 50mm 1.4 l Canon 50mm 1.4 ef Canon 50mm 1.4 rf Canon ef 50mm f1.2 usm