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 67mm lenses.