Quick view Optivisor® Lens Plate Lens Plate Only. OptiVISOR® lenses are ground and polished to precision ophthalmic standards. DA-2 Focal Length 20" Magnification 1.5 Times, DA-3 Focal Length 14" Magnification 1.75 Times, DA-4... MSRP: Was: Now: $37.00 - $42.00 Choose Options Compare
