Polaroid Optics 4 Piece Filter Set (UV, CPL, FLD, WARMING) For The Olympus OM-D E-M5, E-M1, E-M10, E-P5, PEN-E-PL3, PEN-E-PL5, E-PM1, E-PM2, PEN E-P3, PEN E-P2, PEN E-PL1, E-PL2, GX1 Digital SLR Cameras Which Have Any Of These ( 40-150mm, 14-150mm, 75-300mm) Micro Olympus Lenses 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 Polaroids patented 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