The OptiVisor is a hands-free precision magnifier that reduces eye strain when you work. No more squinting, headaches and errors as you work on fine details!
Optivisor Optical Glass Binocular Magnifier - 10 Diopter 3.5X
OptiVISORS & Accessories - BORIDE Engineered Abrasives
Optivisors and Optivisor Magnifier Lens Plates
Handsfree Magnifiers Archives - Donegan Optical Company, Inc.
The OptiVisor set DA-S1 is a complete headband magnifier set that includes one headband, six different lenses, an auxiliary lens and storage case. Made in the USA, the glass magnifying lenses are ground and polished to precision optical standards. The headband conforms to fit all head sizes - fabricated from a special blend of lightweight material. The OptiLoupe auxiliary lens adds magnification to the lens and is easily moved in and out of focal use when needed or not needed.
Optivisor DA-S1 Complete Headband Magnifier Set with Case | Esslinger
Optivisors and Optivisor Magnifier Lens Plates
Optivisor Headband Magnifiers
Donegan Optivisor Al Headband Magnification Set : Target
OptiVISOR® DA - Precision Glass Binocular Magnifiers and
OptiVISOR AL Magnifier Set Complete with: LX5, AL-13
OptiVISOR® DA - Precision Glass Binocular Magnifiers and Accessories
Optivisor DA-10 3.5X Head Band Handsfree Magnifier