NiSi 55mm to 62mm Step-Up Adapter Ring for Swift System Filters

The 55mm to 62mm Step-Up Adapter Ring for Swift System Filters from NiSi is made for use with the NiSi Swift System. It allows 62mm filters designed for the NiSi Swift System to be mounted on lenses with 55mm threads. These Swift Mount System filters attach to the adapter ring simply by pressing them onto the front of the adapter. This ring is made of aluminum for durability.