Headband Magnifier, Magnifying Visor with 4 Prismatic

Headband Magnifiers, for Magnification, OptiVISOR DA-3/DA-4, by Donegan Optical Company, Inc. - Dawson Precision, Inc.

OptiSIGHT Visor® - Delasco

2.75X OptiVISOR Binocular Headband Visor Magnifiers - DA 7

Headband Magnifier, Magnifying Visor with 4 Prismatic Glass Lenses -1.5X 2X 2.5X 3.5X Magnification : Industrial & Scientific

Headband Magnifier, Magnifying Visor with 4 Prismatic Glass Lenses -1.5X 2X 2.5X 3.5X Magnification : Industrial & Scientific

Optivisor Magnifier Hands Free Headband for Jewelers and Watchmakers

Aven 26226 OptiVue Headband Magnifier - 4 Lenses (1.6x, 2.0x, 2.5x, 3.5x)

Jewelers Head Headband Magnifier LED Illuminated Visor Magnifying Glasses Loupe

Headband Magnifier Visor with 2.5x and 8 Inch Focal Length