A keratin resin filter made by Kockin, France.P series (83mm square).Skylight filter with the effect of cutting ultraviolet rays.Film and digital imaging sensors are also sensitive to "ultraviolet rays" that are invisible to human eyes.The Skylight, UV, and Skylight 1B filter is the cut in ultraviolet rays and realizes a look close to the appearance.- 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