Gain Express Mini Folding Jewelers Eye Loupe Jewelry Magnifier for Gems Jewelry Rocks Stamps Coins Watches Hobbies Antiques Gems, Coins, Stamps (10 x + UV Light,6 LED Lights) 10X MAGNIFICATION , 2-IN-1 with 6 LED Light and UV light and 21mm triplet lens to enable achromatically and alphabetically corrected. Natural white light helps to look at inclusions, perfect light for viewing diamonds and other gemstones. One switch for LED and UV, functions as either LED loupe or UV loupe. Made with the finest quality optics and with top quality metal cases Achromatic & aplanatic optical glass magnifier Ideal for inspecting diamonds, gemstones, watches, and many more applications ideal for inspecting diamonds, gemstones, watches, and many more applications Aplanatic - Corrected for spherical aberrations, for larger field of view from side to side Achromatic - Corrected for color distortions, for true color viewing <span class="a-text-bold">Jewelers and gemologists -</span>  magnify gemstones and other jewelry that they wish to inspect <span class="a-text-bold">Watchmaking - </span> Assist watchmakers in assembling mechanical watches. <span class="a-text-bold">Numismatists and coin collectors - </span> Tool in both numismatics, the study of currency, and the related practice of coin collection. <span class="a-text-bold">Philatelists and stamp collectors - </span> Improve their ability to evaluate the quality of their stamps.