The CP-45, MeasureLoupe™ 11.5x Power 1″ LED and UV Lighted Loupe Magnifier with Reticle Scale and Storage Case from the Carson Pro Series, is an 11.5x LED/UV lighted loupe. The built-in reticle is a great tool for measuring and inspecting. Great for engineers to use for quality control and inspecting items such as the pitch of a screw or threads per inch of a saw. Inspect circuit boards for soldering defects. Assist in counting threads of fabric or viewing sewing stitches. Ideal for viewing coins, stamps, camera negatives, specimens, etc. Use the UV light to find the hidden images on currency.