** Special order **

This item is noncancelable and nonreturnable.
Expected availability: 2-4 weeks

- Aluminum-alloy construction

- Holder for filters 150mm-wide,2mm-thick

- Slots for 2 square/rectangular filters

- Built-in circular polarizer

- Thumbwheel for orienting polarizer

- Interchangeable lens adapter

- Includes Sigma 14mm f1.8 lens adapter

- Screws onto a lens, lock for a horizon

** NiSi also released 77/82mm adapter rings for S5 Sigma 14 f/1.8 and sold individually **