Kenko Nyumon series feature the Kenko coated polished optical glass that resists environmental conditions like impact and inadvertent touching of the lens from damaging your delicate lens surface. Mounted in a SLIM ring for maximum protection from unwanted vignetting on wide angle lenses.

Kenko Puro series feature a Kenko exclusive formulation of a special anti-stain mutli-coating that resists environmental conditions like water, dust, and oils from damaging your filter surface. The anti-stain multi-coating also allow for easy cleaning of your filter over the Kenko entry level Nyumon filter series. Mounted in a SLIM ring for maximum protection from unwanted vignetting on wide angle lenses.