NiSi PRO 2.83-3.228mm aluminum ring allows the use of 12mm threaded filters on lenses with 2835mm filter threads. It features a lightweight aluminum alloy construction that has a corrosion-resistant black...
This NiSi 82mm Adapter Ring is designed to enable the use of a NiSi 150mm Filter Holder for Canon TS-E 17mm Lens on a lens with 82mm front filter threads....