Ritz Gear&trade; 40.5mm Premium HD MC Super Slim Lens Filter Set (UV, CPL, ND9, Warming) With SCHOTT OPTICAL GLASS This Filter Set Includes The Following Filters: UV, CPL, ND9, Warming High Quality German SCHOTT Optical Glass (UV, CPL) High Quality Japan Optics Optical Glass (ND9, Warming) 12 Layer HD Multi Coating Super Slim Ring + Water Repellent