DA-10 OptiVISOR 10 Dioptre

OptiVISOR 10 Dioptre or 3.5 power. Works best at 10cm,[4]

The DA-10 Optivisor is a 10 diopter binocular headband magnifier. It provides 3.5 power of magnification (or 8.75 power with the optional Optiloupe

DA-10

A2UD Head-mounted Welding Repair Tools Magnifier Head Band Optivisor Eye Loupe 4 Lens - AliExpress

DONEGAN OPTICAL-OptiVISOR LX Binocular Headband with Optical Grade Lensplate #7-Magnifies 2-3/4x Power at 6 Inch. Perfect for anyone whose profession or craft requires close accurate work with both hands free! The adjustable side pivots allow the visor to tilt at your fingertips and a dial adjustment headband that conforms to comfortably fit all head sizes. The LX has a genuine leather padded comfort band with orthopedic felt for extra comfort.

Headband Magnifier Optivisor

Donegan DA-10 OptiVisor Headband Magnifier, 3.5x - by GEMWORLD online store

Optivisor options - Jewelry Discussion - Ganoksin Orchid Jewelry Forum Community for Jewelers and Metalsmiths

Visor Light for Optivisor Magnifier- 10-in. Cord

Heartwood » Blog Archive » Seeing better for woodworking – choosing headband magnifiers

Headband Magnifiers : Magnifying Aids, Magnifiers, Magnifying Glasses, and Independent Living Aids to help people with Macular Degeneration

OptiVISOR - Donegan Optical Company, Inc.