The five-inch lens provides a wonderful way to view small parts or to help read impression marks. If you keep your eyes 3” from the lens, you forget it’s there and you’re free to manipulate your tools or work material. The 22 watt circular fluorescent tube is a great soft light, perfect for working with small objects or reading fine print. This shadow free light is balanced for clarity and lack of eye strain. The #3 Diopter lens provides 1.75x magnification. You will be amazed how clearly you will read tumblers, see marks on a key and look into keyways. Fully adjustable lamp tilts, moves up and down, and rotates in its mount that clamps to most table tops.