30 X 21mm Triplet Jewelers Eye Loupe Magnifier Jewelry, Pocket Jewelry Loupe, Personalised
Folding Jewelry Magnifier Portable Pocket Magnifying Glass For Antique Diamond Appreciation 10x / 20x / 30x Magnification 21mm - AliExpress
21mm Lens
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30x Loupe
Vintage Circa 1950's Magnifying Glass Brass Frame With - Israel
How to Use a Jewelry Loupe
Eye Loupe
This 20x magnification lighted loupe features 21mm Triplet Optical Glass Lens with 6 bright white LED lights to illuminate the field of view & stones being viewed. Its natural white light helps to look at inclusions, perfect light for viewing diamonds and other gemstones. It also has achromatic optical glass magnifier for better viewing result, metal body, UV light (long wave) for some stones that fluoresce under UV.
20X Jewelers Loupes Magnifier Pocket Jewelry Loupe Glass Folding Magnifying Illuminated Magnifying Tool with 21mm UV and LED Light for Eye Rocks
20x Jewelers Loupe
Eye Magnifier
Loupe - Wikipedia