The Magnabrite light gathering magnifier is a superby crafted, solid acrylic 4x magnifier with a unique characteristic: it actually intensifies the light that passes through it, making the magnified subject clearer and nearly four time brighter. No bulbs or batteries, just innovative optical engineering. It also has an infinite eyepoint. This means your eye can be any distance from the magnifier, at nearly any angle, without affecting focus or clarity. Best of all, several people can view it at the same time! Features: • Pre-forcudsed 4x magnification • Optical grade cast acrylic • Non-scratch base • Minimizes eye fatigue • Several people can view at once • Protective pouch included