Enhance Color & Contrast: CPL filters allow you to remove unwanted reflections from non-metallic surfaces such as water, glass et. enhancing colour saturation and contrast. This effect is often used to increase the contrast and saturation in blue skies and white clouds. Magnetic 1 Second Swap: Magnetic attraction helps install the filter in one second, reduces scratches and damage to the lens thread, and 5.3mm ultra-slim frame with no vignetting on a wide-angle and telephoto lens. Optical AGC Glass: Circular polarising filter made by Japanese AGC glass, high-quality glass ensuring the quality of the image and sharpness. 28 Multi-Layer Coatings: Both sides of the glass with nanometer coatings, abrasion-resistant, and hydrophobic coatings increase surface hardness and make cleaning easy. Kit Includes: 1* CPL filter + 1* magnetic basic ring + 1* filter cap. Note: this filter only fit the same size lens, please verified your lens size before ordering, this number is always preceded by a "Ø" (diameter) symbol. For example: Ø67 = 67mm lens thread size