OptiVisor Glass Binocular Magnifier, 2x

Focal Length: 10” This binocular magnifier is worn comfortably on the head and can be raised out of the way for normal vision. Glass lenses are ground and polished to precision optical standards. ABS high impact visor is chemical-, grease-, and flame-resistant. A complete OptiVisor consists of adjustable headband, visor, adjustable pivot assembly, headband dial adjustment, and one lens plate. Auxiliary lens available for added magnification.