Allows highly effective and gentle cleaning of all optical surfaces, specially designed for eyepieces and smartphone cameras. Particularly long service life as dry cleaning means that no liquid can dry out or run out. Immediately ready for use as the screw closure ensures automatic activation of the velvety surface, with no need to activate the fibers separately. Original lens pen removes dust, grease spots, and other smudges. Does not dry out. Includes a lens brush for dry pre-cleaning. Special coating for high-quality lenses. Small and handy pen with a clip for attachment and an ergonomic design. Features a flat velvety surface. Diameter: 5 mm, especially for eyepieces and smartphone cameras.