FotodioX WonderPana FreeArc XL Core Unit Kit for Canon 11-24mm Lens with 186mm Slim, Solid Neutral Density 1.2 and 7.9 x 10.2" Hard-Edge Graduated Neutral Density 0.9 Filters

This WonderPana FreeArc XL Core Unit Kit from FotodioX includes a WonderPana FreeArc XL Core Unit designed to specifically fit the Canon EF 11-24mm f/4L USM lens, as well as a WonderPana 8.0" Holder Bracket. Those items can be combined to allow for the convenient use of two 2.0mm-thick filters measuring 7.9" wide, or one 2.0mm thick filter measuring 7.9" wide along with one FotodioX 186mm round filter behind it. A compatible 186mm solid neutral-density 1.2 filter and a 7.9 x 10.2" hard-edge graduated ND 0.9 filter are also provided, plus a 186mm inner-pinch lens cap for 186mm FotodioX round filters.