SE MH7015 Folding Pocket 4x Magnifier This magnifier has a glass lens with a diameter of 2". This item has a magnification of 4x and diopter of 14. You can use it to examine details and small objects. The durable plastic swing-away case not only provides a protective cover for the lens, but serves as a handle as well. This magnifier is conveniently compact sized. It is great for inspecting coins, fine print, jewelry, stamps, and more.