Lindsey Optics - 4" x 5.650" Brilliant IR ND 2.1 Filter with Anti-Reflection Coating
4" x 5.65" x 0.135" ND 2.1 Neutral Density Filter (101.3mm x 143.5mm x 3.43mm) 7 Stop Light Reduction - 0.78%Transmission Broadband Multi-Layer Anti-Reflection coating (MC Coating) Fits professional Cine Matte Boxes Fits professional Cine Matte Boxes