NiSi
Sigma 12-24mm f/4.5-5.6 II Adapter
For Nisi 150mm Filter Holder for Nikon 14-24mm f/2.8 G lens
The NiSi Sigma 12-24mm f/4.5-5.6 II Adapter is designed to allow the NiSi 150mm Filter Holder for Nikon 14-24mm f/2.8 G lens to be used with the Sigma 12-24mm f/4.5-5.6 II lens. The adapter is made from aviation-grade aluminium for durability and features a matte black frosted finish to reduce reflections.