67mm Protection Filter - Pure LightThis ProMaster 67mm Pure Light filter protects your valuable lens against the elements such as sand, dirt, oil, water, and even fingerprints without sacrificing clarity or interfering with the natural light transmitted to your camera. Thanks to a special combination of hydrophobic coatings and finely polished Schott TM B270 optical glass, Pure Light Protection filters have an extremely high light transmission rating, very low light reflectivity, and