1 Inch Diameter, 8X Power Lens, Hand-Held Printers Magnifier With LED Illumination & Focus Wheel This 5 Inch long magnifier is equipped with a 1 inch diameter lens The lens has a high powered 8X lens and a focus wheel and LED light The adjustable focus is a feature you don't find on many magnifiers Excellent as a printer's magnifier, or for professional photography Includes 10mm Ruler Built in-around the lens for complete accuracy