Daylight Ultra Slim Optional Swing Arm Magnifier    Item #: 672 020 014 

For the ultimate in magnification, 1½" diameter, 12-diopter provides 4x magnification of the magnified view of the lens you are using. For instance, if you are using Lens 2 in conjunction with the Swing Arm Lens, you will get a final magnification of an amazing 12x size. As the name implies, you may swing it away when you don't want it to interfere with your normal view. For use with the Daylight® Ultra Slim Fluorescent Magnifier Lamp.