NiSi Swift System Adaptor Ring Filter holder adapter ring

The NiSi Adaptor Ring for Swift System Filters is designed for use with the NiSi Swift System. It allows a filter designed for the NiSi Swift System (same filter thread size) to be used directly on the lens without the NiSi True Color 1-5 Stops VND. The Swift System filters attach to the adaptor ring simply by pressing them onto the front of the adaptor. The ring is made of aluminum for durability.NiSi Swift System Adaptor Ring. Product type: Filter holder adapter ring, Filter diameter: 8.2 cm, Lens diameter: 8.2 cm. Quantity per pack: 1 pc(s)