NISI BRAND 67MM ADAPTER RING FOR C5

Mount your C5 matte box on your 67mm lens with this Cinema 67mm Adapter Ring for C5 Matte Box from NiSi. Specifically designed for using the C5 Matte Box System on lenses that have a 67mm filter thread, this sturdy aluminum adapter ring ensures that the matte box mounts reliably and without any vignetting issues.