Rosco lens cleaner has been the choice of professional cameramen and cinematographers for over 50 years its unique formulation is especially designed for cleaning glass lenses mirrors dichroic filters and other fine quality glass optics it is easy to use and fast drying it quickly removes dirt residue smudges and fingerprints free of ammonia detergents and glycerin it leaves no streaks or residue rosco lens cleaner is packaged in a pocketsize 60ml drip bottle or in a larger 475ml bu