Made USA 2.5x Magnification, Optical Glass, Rectangular Magnifier - Headband Mount, 8 Inch Focal Distance Part #DA-5

Donegan Optical OptiVISOR Magnifying Headband Visor with 2-1/2X at 8" Lens Plate SKU - 298305

Donegan Optical OptiVisor Binocular Magnifier Headband 8in Focal Length 2.5x Power

Donegan DA-5 OptiVisor Headband Magnifier, 2.5x Magnification, 8" Focal Length

Made in USA 2.5x Magnification, Optical Glass, Rectangular Magnifier - Headband Mount, 8 Inch Focal Distance | Part #DA-5