OptiVISOR® Binocular Headband Magnifier

Donegan Optivisor Al Headband Magnification Set : Target

OptiVISOR Specs. Diopter strength represents a specific magnification power (X). For example, a 5-diopter provides 2.5X magnification (at a distance.

DONEGAN HEAD OPTIVISOR BINOCULAR HEADBAND MAGNIFIER DA-2 DA-3 DA-4 DA-5 LENSES

Headband Magnifier OptiVISOR® * Focal length is 4 inches * Magnification is 3½ times * Ground and polished to precision optical standards * Bevel

Optivisor® Binocular Headband Magnifier

GENUINE Headband Magnifier, Donegan Optivisor DA- 10 (3.5x magnification at 4)

Donegan Optivisor Al Headband Magnification Set : Target

DONEGAN DA-4 OPTIVISOR HEADBAND MAGNIFIER

Magnifier Headband Lens 2x Magnification DA4 Donegan Optivisor - HH507

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

DONEGAN DA-S1 OPTIVISOR® Binocular Magnifier Set 6 Lenses, OptiLoupe, VisorLight $399.99 - PicClick

Lensplate #7 Magnifies 2.75X at 6 - Optivisor LX Binocular Magnifier - Donegan Optical

Vintage Magnifiers for Jewelry Making

Jewelers Equipment Tools and Supplies

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

Blue glasses for Donegan OptiVISOR Binocular Headband Magnifier