This ProMaster 52mm Basis filter protects your valuable lens without sacrificing clarity or sharpness.

     Your lens is an important investment and well worth protecting. A ProMaster Basis Protection filter does just that while transmitting a clear, sharp image to your camera’s digital sensor or film. Polished optical glass combines with a special multi-coating formula to achieve high light transmission and low light reflectivity. These features allow your lens to perform at its finest.