A keratin resin filter made by Kockin, France.P series, 89mm round type.The cockin polarized and polarized filter is a high -quality neutral filter that absorbs reflection up to two aperture, improving color contrast and depicting the blue sky.This filter has a chopped ring around it, and can be attached to the first groove of the filter holder and rotate freely.The rotation reduces and removes the reflections of water and glass excluding metal surface and mirrors, the surface and stones applied with paint and lacquer.Please use this circular polarized type for auto -focus single -lens reflex cameras.- asbestos non -containing ROHS Directive non -support J-Moss non -support Environmental Self -assertion mark None Other environments and safety standards Radio Law Reference Because it does not emit radio waves Telecommunications Business Law Because it does not connect to a public line Electrical Equipment Safety Law Remarks Because no electricity Radio Law non -target Telecommunications Business Law non -target Electrical Appliance Safety Law non -target Legal Related Confirmation Date 20111120