This sleek, versatile and top of the line lamp offers features never available before. The new design includes the widest field of distortion-free magnification of any magnifier available. Equipped with either a 3.5 or 5 diopter lens, an optional 4 diopter lens snaps on to offer a total magnification of between 7.5 to 9 diopter. Table mount included with price of lamp.