Polaroid Optics 4 Piece Filter Set (UV, CPL, FLD, WARMING) For The Canon Digital EOS Rebel T3, T3i, T1i, T2i, XSI, XS, XTI, XT, 60D, 50D, 40D, 30D, 20D, 10D, 5D, 1D, 5D Mark 2, 7D Digital SLR Cameras Which Has This(28-135mm, 15-85mm, 18-200) Canon Lens 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. Warming Filter: When it comes to turning a drab dusk into a stunning sunset or subtle skin tones into striking ones this is all the filter you will ever need. No wonder it's a hot choice with pros Includes Nylon Filter Case