Features: This set includes UV filter, CPL filter and ND8 filter. UV Protective Filter: Prevents loss of sharpness and contrast by filtering out UV rays and Haze; Protects Lens from scratches, scuffs and smudges. CPL Circular Polarizer Filter:Increases color and contrast by removing unwanted reflections from non-metallic surfaces such as water or glass; Reduce glare and reflections significantly from non-metallic surfaces. ND8 Filter: Apply slow shutter speed under strong sunlight exposure, large aperture is available to create depth of field easily; The number indicates the fraction by which light is reduced; ND8 cuts the light entering the lens by 1/8. Equipped with a knurling edge for easy attachment and removal. This filter is compatible with 72mm lenses. Specifications: Material: Optical resin（ND8) + Optical glass(UV * CPL) Diameter: 72mm, fits for the same size of screw lens Package size: 11.5 * 12.5 * 2cm / 4.5 * 4.9 * 0.8in Package weight: 103g / 3.64oz Package List: 1 * UV Filter 1 * CPL Filter 1 * ND8 Filter 1 * Bag