Breakthrough Photography 72mm X2 UV Filter (Aluminum)The Breakthrough Photography 72mm X2 UV filter features critically sharp AGC glass made in Japan, MRC8 and state of the art nanotec nano coating layers helps to eliminate flaring, ghosting and low contrast. The modern coating chambers are airtight, producing a uniform coating visible to the human eye when holding the filter at a right angle to a direct light source. Critically Sharp Outdoor Protection Filter The X2 features state of the art 8 layer