Product picture - FotodioX Wonderpana 66 System Kit with 6.6" Wide Rectangular Filter Holder Bracket for Sigma 12-24mm f 4.5-5.6 EX DG ASP HSM II Aspherical Ultra Wide Angle Zoom Lens FotodioX, Wonderpana, 66, System, Kit, with, 6.6, Wide, Rectangular, Filter, Holder, Bracket, Sigma, 12-24mm, f, 4.5-5.6, EX, DG, ASP, HSM, II, Aspherical, Ultra, Wide, Angle, Zoom, Lens Click the image to close this page