Lindsey Optics - Brilliant² Rota-Pol Circular Polarizer 4x5.65" 138mm
Circular Polarizer Fits 4” x 5.65” cine matte boxes Broadband Multi-Layer Oil and Water Resistant Anti-Reflection coating (MC Coating) Rotation of the polarizer can also be done with a motor mounted on the 1/4 20 thread in the handle 38% Transmission, 1.5 Stop Light Loss