HVM-4 1.5xl Binocular Headband Magnifier with 1.5x lens with a 20″ Focal Length and and extra 5x eye loupe for added magnification on one eye. This Headband Magnifier is for the professional and hobbyists has a fully adjustable to fit any size quickly and easily and is ideal for Watchmakers, jewelers, tool & die makers, engravers, stamp and coin collectors, needlepoint, physicians, dentists, pharmacies and hospitals.