Brilliant² Rota-Pol Circular Polarizers fit directly into 4x5.65” or 6.6x6.6" matte boxes and allow simple and effective rotation of the included Brilliant-Pol Circular Polarizer. The Brilliant² 4x5.65" Rota-Pol fits directly in 4x5.65" matte boxes and the included 138mm Brilliant-Pol provides a large 5.25" clear aperture. The Brilliant² 6.6x6.6" Rota-Pol fits directly in 6.6x6.6" matte boxes and the included 161mm provides a large 6.25" clear aperture.
Now you can have a rotating polarizer in your matte box. It's quick to insert and easy to adjust either by hand or with a motor.