SIGARAM Lens Cleaning Paper for Lenses, Camera, Camcorders, Telescopes, Eyepieces, Binoculars, Microscopes, Filters and Optics - 50 Sheets per Pack Lenses and other optical surfaces made from glass, quartz or plastic can be easily scratched if you do not clean them with a very soft surface. High quality Sigaram lens cleaning tissue provides the solution. The tissue is chemically pure and free from silicones and other additives. Most importantly, it can be relied on to safely remove surface moisture and grease.