vivitar fk2-52 filter kit 52mm includes uv filter cpl filter cap keeper and case
filters 52 mm uv skylight filter ultraviolet for protection against dust dirt scratches fingerprints and the sun s ultraviolet rays . polarizing filter . used to increase color saturation like darkening blue skies so that white clouds stand out . both filters contain the following characteristics . high-index low-dispersion optical glass fully multi-coated anti-reflection coating titanium anodized finish high speed auto-focus infrared compatible designed to maximize day and night shots by providing maximum light and image transmission fantastic for all types of photographic situations .