Optivisor Optical Glass Lens Plates Only Soldering & Torches Designed by Michael Good with

Designed by Michael Good with Bill & Jordan Fretz

pair with the Fretz double-ended stake holder T-101 (112

0% shrinkage for accurate

A three-stage filtration system—dust pre-filter

both edges safe Available Lengths 4" (100mm)

Optivisor Optical Glass Lens Plates Only Soldering & Torches Designed by Michael Good withDonegan Optivisor optical glass lens plates are available separately and can be switched in moments. Simply press out the black keepers with a coin or similar tool, swap the lens, and press the keepers back in. Earlier models used small nuts and bolts for lens retention. Donegan is the only head mounted magnifier available with optical glass prismatic lenses. These lenses cost more but deliver superior clarity and longevity compared to the lesser lens