How to Use a Jewelry Loupe
What Is a Jewelry Magnifying Loupe?
Jewelry professionals use a magnifier, also called a loupe (pronounced loop), to inspect gemstones and other jewelry. These magnifying loupes have special lenses that allow our eyes to focus on an object at a much closer distance than is normally possible, making the object appear to be larger and revealing tiny details we couldn’t see with our normal vision.
Magnifying Loupe Lens Variations
One: Loupes made with a single lens are generally of poor quality, distorting the object you’re magnifying and adding flashes of color that obscure the view.
Three: A triplet loupe is a jewelry magnifier that contains three lenses placed together in a way that corrects distortion and color problems.
Choosing a Magnification Power
Loupes are labeled with a number, followed by the symbol “X,” which means “times.” For example, a 2X loupe makes an object appear two times its actual size and a 5X loupe shows you a five-fold increase.
Best Loupe for Jewelry
A 10X triplet magnifying loupe is a good choice for viewing jewelry, and is the type of loupe used by professionals to grade diamonds and other gemstones. Anything visible through a more powerful loupe, while interesting, isn’t included on a grading report.
Look for a magnifying loupe with black framing around the lens, because black eliminates reflections that can alter the color of the object you are viewing.
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