In Reply to: headband magnifiers posted by gkargreen on August 25, 2014 at 18:17:51:
Mine is the Donegan OptiVisor (USA) with the #4 lenses (2X, 10" focal length).
Edits: 08/26/14 08/26/14
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Follow Ups
- RE: headband magnifiers - Triode_Kingdom 18:27:33 08/25/14 (0)