Featuring aluminum construction and able to accept two 100mm wide, 2mm thick filters, the 100mm Filter Holder for Olympus 7-14mm f/2.8 Pro Lens from NiSi has a 2-part design comprised of a filter holder and an adapter ring that can be swapped out for other rings that fit your lens' requirements. Made to rotate 360 degrees for half or partial neutral density filters, the holder is compatible with 100 x 100mm and 100 x 150mm filters from NiSi and other brands including Lee, Singh-Ray, and Cokin, and it will not vignette, even at 14mm. The holder features a clip design for easy filter changing.