• This filter is designed to protect your lens. Protects lens from dirt, dust and scratches Perfect for everyday filters, as it is completely colorless and does not affect color reproduction • Super multilayer coat reduces flare and ghosting • Smiling coating applied to the outer perimeter of the filter lens is applied to the maximum extent of unwanted light such as internal reflections. Works great with any digital camera or film camera • Uses a special acrylic resin that is more flexible and stronger than the materials used in conventional cases • Brand: Sigma