Schneider 4.5 Lin-pol Filter
Schneider Linear True-Polariser Unmounted 4.5" Round Drop-in Filter (p/n 68-019903). This is by far the most effective polariser for motion picture and television cameras. Having an extinction ratio of ER 374, the Schneider True-Pol is 12- times more effective than other polarising filters. True-Pol Polarising filters enable you to achieve a level of optical performance previously unavailable to cinematographers. The Schneider Optics True-Pol is ideal for cameras such as the RED camera and other 4K cameras.