Bausch & Lomb Pocket Magnifiers are available in a wide range of powers from 2X to 20X with several styles offering two or three lenses providing varying focal lengths and magnification powers. By combining lenses, three different powers are available with the two-lens model and seven different powers with the three-lens model. Providing durability and long life, swing-away cases not only provides a protective cover for the lenses, but serves as a handle as well...