Amazon.com: Medical Binocular Dental Loupe 4x/5x/6x High Magnification Surgical for Dental Surgery Plastic Surgery Ent Magnifier (Color : 5X) : Industrial & Scientific
AUGUSTA Watchmakers Loupe Eyeglass Loupe 4x for spectacle wearers
72070 - Metal Precision Folding Magnifier - 4X+6X=10X Magnification - 30 mm Lens - Biconvex - Magnifiers, Microscopes and Graticules - Ladd Research