Optional attachment adds 2.5 power, for close inspection work. The Optiloupe easily attaches to an Optivisor lens plate as shown in image. Optivisor
OptiVISOR® DA - Precision Glass Binocular Magnifiers and Accessories
Optical glass binocular magnifier. Supplied with #10 lens plate, which magnifies 3.5X at a focal length of 4 inches. Optional OptiLOUPE® adds 2.5X
OptiVISOR - 0.75 lbs.
QG 1685 Style DA4 Optivisor
Magnification – A to Z Jewelry Tools & Supplies
Lensplate #7 Magnifies 2.75X at 6 - Optivisor LX Binocular Magnifier - Donegan Optical
Optivisor Optiloupe
Deluxe Binocular Headband Magnifier with LED Light Includes Five Interchangeable Lens, Hands-Free Magnifiers: Bernell Corporation
OptiVisor Headband Magnifier - Jantz Supply
Great for hands free magnification when working on watches and jewelry Lenses are high quality optical glass; high impact plastic visor; leather lined
Optivisor, #2, 1-1/2x | ELP-502.00
OptiVisor LX-4 Binocular Magnifier - 2X at 10 inches —
Magnification Visor with LED light - Jantz Supply
Complete OptiVisor Set - Delasco
Optivisor w/Light Kit 2.5x at 8in
Lightweight lenses and tough materials are designed to last a lifetime. Optical prismatic lenses from precision ground and highly polished molds. Adjustable side pivots allow the visor to tilt at your fingertips. Dial adjustment headband conforms to comfortably fit all head sizes. Made In US The OptiVISOR LX is perfect for anyone whose profession or craft requires close accurate work with both hands free. This set includes LX5 (2.5x at 8'), AL-13 (16x at 14'), and AL-14 (2x at 10').
Donegan Optivisor Al Headband Magnification Set