The CS-40, C6 Jumbo Lens Cleaner from Carson Optical, contains our Dry Nano-Particle Cleaning Formula that wipes away smudges, grime and fingerprints with ease. The Jumbo Soft Tip is safe and easy to use on larger lenses.The C6 Jumbo Lens Cleaner also includes a retractable brush to remove dust and debris. The C6 Jumbo Lens Cleaner is perfect for cleaning Telescopes and Spotting Scopes.