Loupe
SMALL CYLINDRICAL OR CONICAL MAGNIFYING DEVICE WITHOUT HANDLE
Jeweler's loupe; Dental loupes; Jeweller's loupe; Jeweller's eyeglass; Jeweler's eyeglass; Jeweler's eye; 10X loupe
A loupe ( ) is a simple, small magnification device used to see small details more closely. They generally have higher magnification than a magnifying glass, and are designed to be held or worn close to the eye.