This Vivitar Series 1 3-Piece Filter Set contains a variety of multi-coated glass filters that will optimize your photography experience, and protect your lenses from scratches and dust. Vivitar multi-coated lens filters are translucent glass placed in front of a camera lens to alter or adjust the light entering the camera and to protect the camera lens. Lens filters improve photographs by giving photographers control over light and allowing them to emphasize the features of a scene that they co | Ultraviolet UV Filters are multi-purpose filters that absorb ultraviolet rays that often make outdoor photographs hazy and indistinct, and should be constantly fitted to a lens to provide improved clarity and color balance, as well as to provide protection to your lens. | Circular Polarizing (CPL) Filters allow you to remove unwanted reflections from non-metallic surfaces such as water and glass, as well as improve color saturation, clarity and contrast. This threaded filter is often used to increase the contrast and saturation in blue skies and white clouds, for example. Polarizing filters do not affect the overall color balance of a shot, and they will provide protection for your lens while shooting. | Neutral Density filter reduces intensity of all wavelengths or colors of light equally, giving no changes in hue or color rendition. ND filters are particularly useful reducing depth of field in very bright light. ND8 allows 1/8 of available light into the lens (3 f-stops).