Foto&Tech Lens Pen Cleaning System for Canon Nikon Sony Panasonic Fujifilm Olympus Pentax Sigma DSLR/SLR/EVIL/Film Camera Excellent tool for the photographers, small pen-style design easily fits in any camera bag, and your pocket. Allows highly effective and gentle cleaning optical surfaces, as well as binoculars, telescopes. Particularly long service life as dry cleaning means that no liquid can dry out or run out Removes dust, fingerprints, grease spots and other smudges With a lens brush for dry precleaning, a conveniently shaped pen with a clip for attachment, and carbon black best suitable material for cleaning optical surfaces.