The LL-20 LumiLoupe™ is a 10x stand Magnifier with fixed focus, dual lenses, and a measuring reticle that allows you do measurements in both MM and Inches. This magnifier is ideal for those who want to inspect a flat surface or part and want to do simple measurements. The reticle snaps and in out, so it can be used as a standard stand magnifier with no reticle obstruction. We Recommended for the part time Hobbyist. By Carson Optical.