Florescent filter allows for using your camera under florescent lighting giving you natural light colors when shooting under florecent conditions UV Protective Filter removes or absorbs ultra violet rays, giving sharper contrast to your film or video. Protects your lens from scratches or fingerprints. The 3pc Filter Kit are manufactured from high quality solid optics. Each individual filter is heat treated and coated to avoid any rare movement or distortion. CPL circular polarizer filter increases color sturations, darker blue skies, so white clouds stand out and eleminate reflections from non metallic surfaces like glass or water.