Firmly adhering dirt on highly sensitive optical surfaces cannot be removed by a cloth alone. B W Lens Cleaner II was developed for this purpose. It is a liquid, non-alcoholic cleaning solution with strongly cleaning active ingredients that do not leave any irritating residues on the glass. B W Lens-Cleaner II is supplied in a compact 50 ml plastic bottle as a pump spray without propellant gas. B W Lens-Cleaner II is easy to use, non-flammable and environmentally friendly. Indispensable for every photographer.