Vivitar 40.5mm 3-Piece Multi Coated Filter Kit UV+CPL+FLD Multi-coated optical glass for enhanced optical resolution. Protects your camera's lens from scratches, dust, dirt, moisture, and fingerprints. The F-DL fluorescent light correction filter gives true-to-life color rendition. Polarizers let you achieve vibrant color saturation, reduce or eliminate glare and reflections from non-metallic objects.