The Multicoated UV Protection Filters from Tiffen is a clear protective filter made to guard lenses from damage. It features 18 layers of multicoating to protect against breakage, scratches, humidity, and dust. The multicoating also has anti-reflective properties for optimal light transmittance to render crisp images without color shift. It is made of high-quality Schott B270 optical glass and features a slim aluminum filter ring to prevent vignetting when used on wide-angle lenses.