【Contrast & Saturation Enhancement】 NEEWER CPL Filter significantly improves contrast and saturation to help you get amazing photos with vibrant colors and fine details. An included lens cap protects the filter and lens from damage 【HD Optical Glass】 The premium HD optical glass with multiple polarizing films minimizes reflection on watrer, glass, and other nonmetalic surfaces, ideal for photographing blue skies and clouds with enhanced saturation and accurate color reproduction. Note: Please position your camera 45° at the subject to achieve 99.9% of reflection elimination 【Multiple Nanomter Coatings】 Multiple nanometer coatings on both sides of the filter are water repellent, oleophobic, scratch resistant, and anti fingerprint, making the filter perfect for outdoor shooting and easy to clean 【Ultra Slim Frame & Smooth Rotation】 The ultra slim yet sturdy aluminum alloy frame avoids vignetting on wide angle lenses with CNC precision machined straight knurls for smooth installation 【Package Contents】 Includes 1 x 55mm CPL Filter, 1 x Cleaning Cloth, 1 x Filter Case, 1 x Lens Cap, 1 x Lanyard. Note: This filter is compatible with lenses with a 55mm filter size. The filter size is marked on the front or side of your lens, next to a "ø"(diameter) symbol. Please confirm before purchasing