Vivitar 3-Piece Multi-Coated Glass Filter Kit (49mm UV/FLD/CPL) UV Filter: Protects your lens from scratches and fingerprints, and diminishes ghosting effect from reflected light. Removes and absorbs ultraviolet rays, giving sharper contrast to your video and digital images. CPL Filter: Removes unwanted reflections from non-metallic surfaces such as water or glass. Increases color and contrast by reducing reflections from non-metallic surfaces by cutting through haze. Improves clarity of distant objects. Intensifies the color in skies and foliage. FDL Filter: Allows camera use under fluorescent lighting. Gives natural light colors when under poor conditions. Filter Case: Easily stores the included UV, CPL, and FDL filters when not in use. Keeps your filters well preserved, maximizing longevity.