QG 1685 Style DA4 Optivisor

781444-01 - Ni - Multifunction I/O Device, USB-6356, 1.25 MSPS

Donegan OptiVISOR DA-5 2.5 X Magnification at 8

GENUINE Headband Magnifier, Donegan Optivisor DA-4 (2x magnification at 10)

Optical polished glass lens Universal fit (head size adjuster) Comfortable and soft head band Can be warn over spectacles Leaves both hands free,

Optivisor DA-4 2X Head Band Handsfree Magnifier Visor

Donegan Optical Opti-Visor 3.5X Magnification 4-Inch Range

Donegan DA-2 OptiVISOR Headband Magnifier, 1.5X Magnification Glass Lens Plate, 20 Focal Length : Health & Household

Donegan Optivisor DA-10 Headband Magnifier Binocular 3.5X Optical Glass Lens - Denmark

OptiVISOR AL Magnifier Set Complete with: LX5, AL-13

Donegan OptiVISOR DA-5 2.5 X Magnification at 8

Donegan DA-5 OptiVisor Headband Magnifier, 2.5X Magnification, 8 Focal Length : : Office Products

Donegan OptiVISOR® Precision Binocular Headband Magnifier DA-4. Used by anyone whose profession or craft requires close accurate work. Can be worn

Donegan OptiVISOR® Binocular Headband Magnifier DA-4, 2X, 10 WITH GLASS LENSES

Donegan Optical Company DA-4 OptiVisor Headband Magnifier w/2X

Donegan OptiVISOR DA-5 2.5 X Magnification at 8