3 Piece HD Digital Filter Kit Ultraviolet (UV) Filter / Circular Polarizer (CPL) Filter / Fluorescent (FL-D) Filter Digital Multi Coated High Quality HD Optics Includes Protective Carry Case For all Digital Cameras & Video Cameras Ultraviolet (UV) Filter: Absorbs the UV rays from the sun and gives a sharper contrast and vivid picture. Serves as a permanent lens protector against scratches, dust, moisture and fingerprints. Circular (CPL) Filter: Filters out polarized light, dramatically reducing reflections from non-metallic, surfaces such as water, glass, etc. Enables colors to appear clearer with increased contrast. Fluorescent (FL-D) Filter: Reduces the greenish cast created when shooting under fluorescent lighting. It restores natural light colors to the objects youre shooting