Sigma 77mm WR Circular Polarising Filter

Sigma 77mm WR Circular Polarising Filterremoves the reflection of water surface and glass windows, and increases the contrast in landscape photography. Sigma 77mm WR Circular Polarising Filter Sigma 77mm WR Circular Polarising Filterremoves the reflection of water surface and glass windows, and increases the contrast in landscape photography. You can avoid vignetting or the decrease in peripheral light quantities especially when the thinner wide-type filters are used with SIGMA lenses. By incorporating Sigmas Super Multi-Layer Coating, the filter reduces flare and ghosting. In addition, black-rimmed glass eliminates unnecessary internal reflections and provides high performance for both digital cameras and film cameras. With excellent Water and Oil repellent functions, the filter surface repels water drops and provides resistance to fingerprints. Even if they appear on the surface they can be easily removed. The WR filter has excellent antistatic perfo