High-quality optical glass ensures excellent image quality. Digital multi-coating greatly reduces the appearance of lens flare and ghosting caused by reflections. Features a black matte aluminium satin finish almite frame which reduces reflections. Equipped with black rimmed glass to reduce the chance of light reflecting off the edge. Ultra thin filter frame helps avoid vignetting on super wide angle lenses but still holds a lens cap. Straight knurling edge for non-slip, easy attachment and removal. UV protected case to further lengthen the life of the filter.