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 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 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