The protector filter is designed to protect the lens from dust or dirt.\n\nThe Super EBC (Electron Beam Coating) of these would control harmful borrowed light effectively.\nSuper EBC is effectively limiting harmful reflections by achieving a surface reflectivity of 0.3% or less.\n\nCompatibility\nFinePix X100\n\nNOTE\nAttach the adapter ring AR-X100 / LH-X100 exclusively designed for X100, then attach the filter.