Headband magnifier Optivisor. Precision headband magnifier with ground and polished binocular optical lenses. Ideal for all work where both hands are needed. A lined leather strap with felt cover ensures pleasant wearing comfort.
DA10 3.5x Mag Donegan Optivisor Optical Binocular Headband Magnifier BNIB - HH49
Donegan Optical Company DA-2 OptiVISOR Headband Magnifier w/1.5X Magnification
DONEGAN OPTIVISOR HEADBAND MAGNIFIER GLASS LENS DA-2 DA-3 DA-4 DA-5 DA-7 DA-10
AUGUSTA Headband Magnifier Illuminated Magnifier+2 LED Lamps + 4 Interchangeable
Donegan OptiVISOR Head Magnifier Glasses with 4 Lens - 2X Magnification Headband
Donegan Optivisor Lens Plate ONLY - DA10 4'' Focal Length 3.5 X Magnification
