Perfect for all optical products like cameras, binoculars, spotting scopes, monoculars, macrocopes and night vision devices.All clear with MINOX: the original Lenspen set from MINOX is the ultimate cleaning accessory for all small scale optical glass lenses and guarantees super clear vision at all times. Designed in the shape of a pen, the Lenspen is extremely easy to use and highly effective. At one end a retractable dry brush is used first in preparation for the innovative, round pad of special felt material at the other end, enabling gentle removal of dust and other dirt particles from the lens surfaces. The felt material is impregnated with a mild cleaning agent. Stored in the practical nylon bag of the MINOX MicroClear Kit, the pen comes with a high quality micro-fiber cloth.