Nightforce Professional Optical Cleaning Kit Your Nighforce optic is a precision instrument and the owner's manual contains specific instructions on how to keep the lenses clean and damage free. Improperly cleaning a scope can permanently damage lenses and lens coatings. Plus, a properly cleaned scope will give you maximum optical performance and clarity. Nightforce Professional Optical Cleaning Kit keeps your optic clean at home and in the field. This 12-piece cleaning kit contains the tools you need to follow the lens cleaning procedure. The kit includes several sizes of Fob cleaning cloths, cleaning and anti-fog sprays, lens swabs, dust blower, and lens brush. The kit fits in a compact zippered carrying case so it stays organized in your hunting pack, range bag, or at your bench.