Fotodiox Pro. Filter Adapter Kit (145mm) with Pro 1 ND4 + ND8 Kit for AF-S NIKKOR 14-24mm f/2.8G ED Nikon Lens. (Filter Adapter + Lens Cap + 2x ND Filters) Premium Grade Anodized Aluminum Hood Double Threaded ND4 and ND8 Filters, Made of Premium Grade Optical Glass Integrated Filter Adapter, Tight Fit like Part of the Lens. Beautifully Crafed Lens Cap (Included) Other Available Filter includes MC UV, CPL Filters