NiSi Main Adapter For V7 holder (Spare Part)
It features 82mm rear threading for screwing it onto any lens with an 82mm filter thread.
On the front, the adapter has a bayonet mount for attaching a V7 CPL (sold separately)
This adapter can also be paired with the NiSi V7 Alpha to allow a CPL to be mounted with the V7 Alpha Holder