Aven 26113 Auxiliary Lens, 2.5x Magnification
This auxiliary lens attaches to the front of your Optivisor headband magnifier. Mounts on one side of the lens plate to give an additional 2-1/2X magnification. When you don't need it, just pivot it out of the way.
-Optical glass prismatic lenses ground and polished to precision optical standards
-Adjustable pivots allow the visor to be tilted out of the way when not needed and at your fingertips when you need magnification
-Adjusts to fit all head sizes
-High impact visor provides a tough, durable, always-new appearance
-Padded orthopedic felt adds to comfort