FreeArc rotates filter at any angle: mount 1 round & 1 square filter, or 2 square filters simultaneously
All metal build – single component collar system for secure mounting; Ultra wide angle construction to eliminate vignetting
Ability to mount a variety of 145mm & 6.6" wide graduated filters: UV, CPL, MC-CPL, ND4/8/16/32; 0.6 & 0.9 Hard & Soft Edge, Reverse & Color Grads
Doubles as a hood to help protect your lens from damage, scratches, fingerprints and the elements
Limited 2-Year Manufacturer Warranty