Magnifier loupe works pretty well optically. But the provided metal tool bends easily when trying to open the battery cell compartment. I have not yet been able to install cells (not included) to try the LED illumination.
This Magnifying Glass is the ideal tool for jeweler, watchmaker, coin and stamp connoisseur Adjustable LED Light for better illumination. Magnification: 40 X Lens Diameter: 25mm Illumination: LED light Uses: 3 x LR927 batteries(included) Color : Black Size: 55x 33 x 25 mm approx Includes: Jeweler loupe x 1 plastic box x 1