5 Pack Professional Cleaning Set [Lens Pen] for DSLR Cameras (Canon, Nikon, Pentax, Sony) Small, pen-style design easily fits in any camera bag Soft brush retracts into pen body to stay clean Removes fingerprints, dust, and other debris that may compromise your image Remove cap and polish by circular motion with the unique flexible cleaning tip If some dirt still, breathe gently on the surface and polish again A simple lens-cleaning system Easy to Carry.