Compatible with Cokin P series, control light and colour directly on your raw images at the time of . Keep the quality of your images without excessive post production work. Create effects saving time on your computer. Same filter for all your lenses by just replacing the adaptor ring. Otate, , decentre in all directions for more precision and creativity. The Cokin system consists of 3 main components: An Adaptor Ring + A Filter Holder + 1 or more . 1. Screw the adaptor ring onto your lens. 2. the filter-holder on the adaptor ring until it in place. 3. the filter (up to 3) into one of the filter-holder slots. material: plastic Package includes (camera lens not included): G.ND2 filter x1 G.ND4 filter x1 G.ND8 filter x1 ND2 filter x1 ND4 filter x1 ND8 filter x1 6 slots filter case x 1 49mm Ring Adapter x1 52mm Ring Adapter x1 55mm Ring Adapter x1 58mm Ring Adapter x1 62mm Ring Adapter x1 67mm Ring Adapter x1 72mm Ring Adapter x1 77mm Ring Adapter x1 82mm Ring Adapter x1 3 Slots Filter Holder x1