The Haida NanoPro Len Protection Filter is a clear filter designed for general protection for your lens. Multi-coated to prevent internal ghosting and reflections. This optically clear filter has less than surface 0.4% reflectivity and does not affect the overall image quality while helping reduce scratches, moisture, and other elements from damaging your lens. To prevent internal ghosting and reflections, each glass surface includes 10 layers of antireflection coatings which offer protection for the filter itself. An anti-static coating has been applied to the surface of the filter, too, to provide easy removal of dust and dirt, which furthermore offers resistance against water and oil to aid in cleaning and removal of water drops and fingerprints. The thin filter ring design is ideally suited for use with wide-angle lenses and features multiple light-blocking ridges, a satin finish, and a black ink coating to help further reduce the likelihood of surface reflections that can cause lens flare and ghosting Does not require adjustments to exposure while in use. Creates no additional coloration or contrast. Multi-coated (10 Layer) to prevent internal ghosting and reflections. Nano coating provides an additional layer that results in an improved beading effect when in contact with water or oil for greater cleaning efficiency. Approximately 99.6% average visible light transmission. Ultra Slim aluminum alloy filter ring is only 3.1mm. Ideal for wide angle lenses, helps prevent vignetting while remaining durable and lightweight. Front frame is threaded for use with multiple filters / hoods / caps Plastic case for storage and transport.