Natural Color Enhancement: NEEWER CPL Filter significantly improve contrast and saturation, giving your photos vivid color. The imported polarizing film eliminates 99.9% of reflections from non metallic surfaces, perfect for photographing blue skies, clouds, water, snow, plants, landscapes and other objects with rich colors and fine details. HD Visual Experiences Low Light Reflectance: Superior HD optical glass ensures a high definition visual experience. Featuring 30 layers of polarizing film on both sides of the filter, and minimum light reflectance of less than 0.1%, the multi resistant coated CPL filter blocks out ultraviolet rays ranging from 300nm to 380nm to reduce flare and ghosting while ensuring accurate color rendition. 30 Layer Multi Resistant Coating: The multi resistant coatings give five outstanding properties: water repellent, oleophobic, anti static, scratch resistant, and easy to clean with just one wipe. Built to withstand extreme wind, salt water, dust and other abrasive conditions and elements. Ultra Slim Frame Smooth Rotation: The 5.9mm ultra slim frame is engineered with magnalium alloy to deliver extraordinary durability for years of use, and the 3.8mm front bezel effectively avoids vignettes on wide angle lenses. Black anodized threads with advanced precision treatment enable effortless installation, and straight knurls ensure smooth rotation for achieving the best effects.