- For NiSi P49 49mm Filter Holder Kit
- For Lenses with 40.5mm Filter Threads
- Step up 40.5-49mm
- Aluminum-Alloy Construction
The NiSi 40.5mm adapter for NiSi P49 49mm Filter System allows the NiSi P49 49mm Filter Holder Kit to be used on a lens with a 40.5mm standard front filter thread. It features an aluminum-alloy construction for durability while remaining lightweight.