M333-3, Magnification1¾X, Working Distance 14 inches
M333-4, Magnification 2X, Working Distance 10 inches
M333-5, Magnification 2½X, Working Distance 8 inches
M333-7, Magnification 2¾X, Working Distance 6 inches
M333-10, Magnification 3½X, Working Distance 4 inches