The CS-20, C6 Compact Lens Cleaner from Carson Optical, contains our Dry Nano-Particle Cleaning Formula that wipes away smudges, grime and fingerprints with ease. The Soft Tip is safe and easy to use on all lenses.The C6 Compact Lens Cleaner includes a retractable brush to remove dust and debris. It also includes a built-in ring on cap which allows easy attachment to Keychains, Carabiners, and other Clips.The C6 Compact Lens Cleaner is perfect for cleaning any lens including Binoculars and Cameras.