The Tiffen 52mm UV Haze 1 Filter safeguards your lens and absorb UV light. Film and video are more sensitive to UV light than our eyes are. This often shows up as a bluish cast in images, especially shots from high altitudes and long distances, particularly over water. Ultra Violet filters are available in a variety of UV absorption levels.Tiffen filters are made using ColorCore technology, a process that involves laminating the filter substrate between 2 pieces of optical glass, grinding flat to a tolerance of 1/10,000th of an inch, then mounting to precision metal ringsFeatures: Reduces excessive blue by absorbing almost three quarters of UV light.Best general purpose UV controlEliminates UV problems from most situations where increased haze tends to wash out color and image clarityProtects your camera or camcorder lens against dust, moisture, fingerprints, scratches and damageCan be kept on your camera at all timesAvailable for Wide Angle lenses