- For NiSi M75 75mm Filter Holder Kit
- For Lenses with 40.5mm Filter Threads
- Aluminum-Alloy Construction
The NiSi 40.5mm adapter for NiSi M75 75mm Filter System allows the 67mm filter holder adapter ring included with a NiSi M75 75mm Filter Holder Kit to be used on a lens with 40.5mm front filter threads. It features an aluminum-alloy construction for durability while remaining lightweight.