For added magnification, this hard-coated scratch-resistant acrylic lens can be clipped onto your eyeglass frame. Swings out of line of vision when not in use. The listed working distances for each magnifying power is: 1.75X - 14", 2.25X - 8", 2.75X - 6" and 3.5X - 4". Case included.
By Zamboni,Thales | Nov 19, 2017