The LP-1 is the LensPen Original lens cleaning pen. It is safe for all lenses and it won't scratch or damage lenses. It outperforms all other cleaning devises. It has a unique self-replenishing tip and a natural goat hair retractable brush. The LP-1 does not have any sprays, chemicals, liquid or reside so cleaning compound will not spill or dry up. Its compact size fits in your pocket. Its convenient, portable, and environmentally friendly. A single lens pen can be used on over 500 cleanings. You can use the lens pen on camera lenses, binoculars, telescopes, and riflescopes.