K&F CONCEPT Filter K&F CONCEPT 43mm Circular Polarizer Filter, CPL Filter With 24 Anti-reflection Filter This effect is often used to increase the contrast and saturation in blue skies and white clouds. 36 Multi-Layer Coated]Both glass of the nanometer coatings, waterproof, and scratch resistant, ensures the filter with 45% transmittance and removes 99.2% polarizing light, with no effect on the image quality All-New Brass Frame Design: Classic brass frame with CNC non-slip design, sturdy and durable, smoothly install on lenses. Exceptional Optical Glass]The K&F CONCEPT lens filters are meticulously crafted from top-tier optical glass, featuring 18 layers of nanometer coatings. These coatings excel at reducing reflections, preserving the genuine colors and remarkable quality of your images Enhancing Color & Contrast: Polarizing filter (CPL) to remove the reflection from non-metallic surfaces, such as water and glass, enhancing colour saturation and contrast. K&F CONCEPT 43mm UV CPL ND4 Lens kit, UV Protector Circular Ultra-Slim Fame & No Vignetting: 0., 01mm precision machine technology, ultra-thin bezel perfectly avoids vignetting on telephoto and wide angle lenses.