A PL filter dedicated to classical cameras.It supports cameras that do not intervene half mirrors in the metering system and do not incorporate a camera or exposure meter in the prism club.If you use it for a modern camera, you will not be able to use it because there will be an error in the metering and the distance.We recommend a "circular (circular polarization)" type for modern cameras.Compatible with large -diameter filter size that is common in professional lenses.- asbestos non -containing ROHS Directive Response 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 2011115