Polaroid Optics 72mm 4-Piece Filter Kit Set [UV,CPL, Warming,& FLD] includes Nylon Carry Case &ndash; Compatible w/ All Popular Camera Lens Models ULTRAVIOLET PROTECTIVE FILTER [UV]  Prevents Loss of Sharpness & Contrast by Filtering Out UV Rays & Haze; Allows for High Light Transmittance While Protecting Lens against Scratches, Scuffs & Smudges CIRCULAR POLARIZER FILTER [CPL]  Uses Polaroid Technology for On Location Control of Color Saturation; Make Blue Skies Bluer, Green Grass Greener & Eliminate Reflections from Glass & Water WARMING FILTER  Enhances Images by Absorbing the Blue Cast from Electronic Flash or Shade to Add Natural-Looking Warmth to Skin Tones; Ideal for Use in Wintry Settings FLUORESCENT FILTER [FLD]  Effectively Eliminates Fluorescent or Greenish Tinge From Your Photographs for Superior Optical Clarity; Take Natural, True-to-Life Shots Even in Poor Indoor or Outdoor Conditions PRO-GRADE MC FILTERS; Polaroid Optic Filters use Pro grade Multi-Coated Glass Which Gives You Unparalleled Quality. Included is a Water-Resistant Nylon Carry Pouch to Protect the Filters.- COMPATIBLE WITH ALL 72MM LENSES  To Ensure Perfect Fit, Verify Lens Thread Size Based on 72 Marking on Lens Barrel or Underneath Lens Cap