Sizes : 77mm Glass Material : Fused Quartz STOP REDUCTION : 1.6 Overview A circular polarizer filter is a landscape photographers most sought-after camera accessory as it helps bring contrast and vivid, natural saturation to a photograph. Normally, a CP is used for landscape compositions featuring water, snow, ice, blue skies, and foliage as it can help darken the sky, remove reflections, and reduce unwanted glare from the scene. #CPFilter #LensFilter