This is a Fresnel lens magnifier, which is very different from regular lenses. It has "ridges" in the plastic, which are often mistaken for being the material for a cheap lens. It is actually a clever way to fuse dozen of little lenses together in concentric circles, thereby allowing a much thinner sheet to have the same magnification as a thicker, solid, one piece lens. Fresnel lenses, invented by Augustin-Jean Fresnel, have a Wikkipedia entry! Click to read.
Lighted magnifier with folding legs (BATTERIES INCLUDED)
Fold out legs offer hands free solution.
3X may not sound strong, but it translates to about a +8 reading glass. That's STRONG!
Size 7.5" x 10.5" covers almost entire page. Can also be used for tablets and other devices.
Includes neck cord
3AAA batteries (not included)
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