On Amazon you can buy these “60x” magnifying lenses for around $6. If the quotations didn’t tip you off, they are not 60x, we bought a couple different types and in general found them to be between 5x to 10x magnifying lenses with pretty intense spherical aberrations. However if that was all there was to […]
Need a UV lamp for curing purposes? Consider buying a commercial product for curing nail polish. Amazon has a whole category just for UV Nail Dryers ! Some cardboard and tinfoil does a good job of isolating UV rays, and a nice hinge can be made with Velcro.