On Oct 24, 12:02*pm, JoeJoe wrote:
Sourcing powerful magnifying glass

Most of mine come from Quicktest. Good honest reports of their
products: they sell good stuff, they sell (some) cheap stuff, they
tell you honestly which is which.
http://quicktest.co.uk/

I love my Zeiss headband magnifier. More expensive than an Optivisor,
but there's a big difference in the image quality you get.