Magni-Focuser with Auxiliary LensGrobet
Magni-Focuser with Auxiliary Lens High quality magnifier has single lens design without annoying center post. Interchangeable lens plates snap in and out for quick change of magnification. With optical quality acrylic lenses and adjustable headband with self-locking dial. Lightweight, washable, and fits over regular or safety glasses. Working distances are 3" and 8". 4-3/4X and 2-1/2X power.