This product is for a brand new Cokin 62mm A Series Adaptor Ring, the filter is brand new with full COKIN manufacture's warranty. COKIN62mm A SERIES ADAPTOR RING To be used with Film camera using daylight color film, or Digital camera under "automatic" mode.The 62mm A Series Adaptor Ring. HOW DOES THE COKIN SYSTEM WORK? The COKIN CREATIVE SYSTEM consists of 3 main components :An Adaptor Ring + A Filter Holder + 1 or more filters.Screw the adaptor ring onto your lens......slide the filter-holder on theadaptor ring until it snaps in place......slide the filter(up to 3) into one of the filter-holder slots.**Note : The COKIN CREATIVE round filters (eg. polarizers,stars) slide/rotate into the nearest slot from the lens. This means you can simultaneously use other filters such as neutral density graduated filters and control the position of both independently.