Polaroid Optics 3 Piece Filter Set (UV, CPL, FLD) For The Sony Alpha DSLR A100, A200, A230, A290, A300, A330, SLT-A33, A350, A380, A390, A450, A500, A560, SLT-A55, A550, A700, A850, A900 & Minolta Maxxum Digital SLR Cameras Which Have Any Of These (18-70mm, 18-55mm, 75-300mm, 55-200mm, 35mm f/1.8, 85mm f/2.8, 50mm, 100mm) Sony 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