Size: 6cm x 4cm (when lens is stored) Lens diameter: φ50mm This is a convenient mini-sized magnifying glass, so it's easy to carry around and won't get in the way! It folds up and can be stored when not in use! So it won't get scratched!!! For reading small fonts in newspapers and magazines, viewing jewelry, and looking at parts... When you're out and about, for reading menus and labels... Of course! It's also great for the office and travel★ Perfect for gifts!!!! 562