Description. Coating: Digital Multi Coated Digital Multi Coated: These filters greatly reduce flare and ghosting caused by reflections. Black Almite Frame: A black matte aluminum satin finish almite frame for reducing reflections. Low Profile Frame: Ultra thin filter frames to help avoid vignetting on super wide angle lenses. Knurling Edge Frame: Equipped with a knurling edge for easy attachment and removal. UV Protected Case: Filter cases are UV protected to further lengthen the life of filter