Introducing the Zeta filter series which is the highest quality line of Kenko filters. This high-end filter uses a newly developed ZR Coat" which minimizes the flare and ghosting caused by the filter, making it ideal for todays high performance high resolution lenses. Uses ZR coating for ultra low reflection on the filter glass surface. Ideal for the latest high performance high resolution lenses. Thin frame design for ultra wide angle lenses. Comes in a stylish compact case.