BestDealUSA Black Adapter Ring 55mm for Cokin P Series Filter Holder 55mm Lenses
#Slide the filter holder on the ring adapter until it snap in place.#Slide the filter into one of the filter holder slots which is depended by your filter's size.The adapter ring is an essential piece of the Cokin P series filter set. First, mount the metal adapter ring onto the front of your lens. You will then be able to attach a filter holder and color filters to your camera (sold separately)1X 55MM P-RING