Having a problem? The filter has a different diameter and you still want to use it to achieve the effect you&acute;ve been waiting for so long? It is high quality， competitive price. New and never used. With this filters adapter ring， it is not a problem at all. It will be a great way to enhance your photographic experience.                                    Features            This adaper ring used for Cokin P series<br>High quality， competitive price<br>The adapter ring made of metal<br>New， never used<br>                                                            Specifications                        Color          Black        <br>          Suitable For          Cokin P series colour filter        <br>          External diameter          84mm        <br>          Internal diameter          49mm        <br>                                                              Package Includes            1 x 49mm Lens Filter Adapter Ring for Cokin P Series<br>                                                            Extra Info            How to use:Screw the ring adapter onto your lens.<br>Slide the filter holder on the ring adapter until it snap in place.<br>Slide the filter into one of the filter holder slots which is depended by your filter&acute;s size.<br>