Ultra- slim Rim Profile: To avoid vignetting on wide- angle lenses, while maintaining rotation capabilities to adjust polarization levels. Extra tough lightweight aluminum- magnesium alloy frame ensuring great durability and jamming prevention. also adaptable for a 37mm wire digital camera | Clip- on Design: Multi- Coated Lens Filter is universal clip- on design, easy to secure lens firmly on your device. Portable and detachable, you can take pictures with your devices at any time during. A step-- step clip- on design, easy to steady lens and firm on your device for instant use | Funtion: 37 Layer Super Slim Filter lens are used to reduce the amount of light that reaches the sensor of the phone camera, thereby reducing the shutter to provide motion blur and or reducing depth of field in very bright conditions | Wide Angle Lens: Widen your field of view, perfect for shooting larger scenes of photos, such as architecture, landscape and other theme photograph. Double side 37 multi- layer coatings hydrophobic, anti- oil, anti-, anti- soil, scratch- resistant | Widely: Circular Polarizers Filter Portable and detachable, you can take pictures with your devices at any time, with this lens at ease. Perfect for shooting water flow, traffic flow, ocean, clouds, human stream and other moving photography