2/3" to 1/2" conversion table.
2/3” 4 to 58mm will be ½” 5.48 to 80mm
2/3” 4.7 to 51mm will be ½” 6.4 to 71mm
2/3” 5.5 to 50mm will be ½” 7.5 to 68mm
2/3” 7.5 to 127mm will be ½” 10 to 175mm
2/3” 17 to 561mm will be ½” 23.3 to 768mm
2/3” 10 to 400mm will be ½” 13.7 to 548mm
