Product picture - FotodioX Wonderpana 145 System Core Ultra Wide Angle Lens Filter Adapter Kit for Sigma 8-16mm f 4.5-5.6 DC HSM Ultra Wide Zoom Lens FotodioX, Wonderpana, 145, System, Core, Ultra, Wide, Angle, Lens, Filter, Adapter, Kit, Sigma, 8-16mm, f, 4.5-5.6, DC, HSM, Ultra, Wide, Zoom, Lens Click the image to close this page