Lindsey Optics - 6.6" x 6.6" Brilliant IR ND 0.6 Filter with Anti-Reflection Coating
6.6" x 6.6' x 0.135" (168mm x 168mm x 3.43mm) ND 0.6 Neutral Density Filter 2 Stop Light Reduction - 25% Transmission Broadband Multi-Layer Anti-Reflection coating (MC Coating) Fits professional Cine Matte Boxes