The Nisi 77mm Filter Adapter Ring is specially designed for using the S5/S6 system for Nikon 14-24mm F Mount version and Tamron 15-30mm on lenses which have 77mm filter thread....
The NiSi 77mm Filter Adapter Ring for NiSi Q and S5/S6 Holder for Canon TS-E 17mm is specially designed for using the NiSi Q 150mm holder or S5/S6 for Canon...