PLR Optics 72MM High Resolution 3-piece Filter Set (UV, Fluorescent, Polarizer) + Lens Adapter Tube For The Nikon Coolpix P510, P520 Digital Camera This Filter Kit Includes 3 Filters : 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: Uses Polarizing techonolgy to give you total "on location" control of color saturation, make skies bluer, grass greener-even eliminate surface reflections from glass and water - all with picture perfect results FLD Fluorescent Filter: Eliminates that annoying greenish "tinge" which fluorescent lights add to photos. Includes Nylon Filter Case