NISI Filters 150mm Filter Holder System for Sigma 20mm Lens
This lightweight Filter Holder made of aviation grade Aluminum is designed to fit your Sigma 20mm lens perfectly! Quick and easy to install so you can be ready to shoot in minutes. A black matte finish provides for an anti-reflective surface which makes this 150mm Holder ideal for shooting with long exposure filters.
The Nisi Filters 150mm Holder System can hold up to (3) 2mm, 150x150mm or 150x170mm filters.