Multi Coated UV Protective Filter: Prevents loss of sharpness and contrast by filtering out UV rays and Haze. CPL Circular Polarizer Filter: Uses Polaroids patented Polarizing techonolgy to give you total "on location" control of color saturation FLD Fluorescent Filter: Eliminates that annoying greenish "tinge" which fluorescent lights add to photos. Includes Nylon Filter Case Make skies bluer, grass greener-even eliminate surface reflections from glass and water - all with picture perfect results Protects Lens from scratches, scuffs and smudges