The B+W T-Pro 007 Clear Protection Filters are now slimmer and lighter than ever before featuring an innovative titanium finish, a robust brass mount and MRC Nano coating. The filters are dirt-repellent and scratch-resistant. This high-transmission clear filter offers outstanding protection to your lens, preventing damage such as scuffs. Manufactured with the meticulous German craftsmanship, these filters are exceptional for wide-angle lenses. ATTENTION: The 7+1 MRC coating ensures high transmission and maximum anti-reflection. The additional nano outer layer ensures easy cleaning thanks to the extreme lotus effect and reduces scratches, fogging and dirt adhesion. MRC Nano Coating to Repel Dirt and Water