The professional digital graduated color filter from the house of DHD has been made from hardened and tempered optical branded real glass. This brand has been embedded in an aluminum Precision frame look. The aluminium frame has both an internal thread as well as an external thread, which allows the inclusion of an Lens Lid or another filter. With this graduated color filter will give you an atmospheric image. You can use your No Limit To Your Creativity. Why not give us a try, youll be amazed of the by the DHD Digital Colour Filter. The graduated color filter comes of course with the storage case as always be protected transport.