Lens pen has a felt cleaning tip on one side and a retractable brush on the other. | Compact size, pen-style design easily fits in any camera bag. | Soft brush can remove general dust on the front of a camera or smartphone lens,also it can retract into pen body to stay clean. | Removes fingerprints, dust, and other debris that may compromise your image. | Works with all types of cameras (digital and film);Cleaning Lenses, Binoculars, Scopes, Night Vision Goggles, or Any Other Sport Optical Devices.