This folding pocket magnifier from Bausch & Lomb includes two optical quality glass lenses, which magnify 4x or 5x singly, or 9x magnification when paired.
- lenses fold easily into protective case for easy storage
- excellent for hobbies and crafts, such as model building, coin and stamp collecting, and sewing
- has a focal distance of 2.5" to 1.1"
- 23.0 mm lens diameter