Product highlights:
- 40.5-49mm step-up ring
- For NiSi P49 49mm filter holder kit
- Fits lenses with 40.5mm filter threads
- Aluminum-alloy construction
NiSi 40.5mm Adaptor for P49 Filter Holder
The NiSi 40.5mm adapter 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.
Ratings and reviews
NiSi 40.5mm Adaptor for P49 Filter Holder 

NiSi 40.5mm Adaptor for P49 Filter Holder
SKU: NIP-P49-AD-40.5