1 Piece 20mm Neutral Density Filter - C-Mount/SM1 Compatible Optical Filter, Anti-Reflection Coating (5% Transmittance SM1 Thread)

20mm neutral density filter for attenuating visible light with a transmittance range of 0.01% to 10% for precise light control. Equipped with a heavy-duty mounting bracket that is compatible with C-mount and SM1 threads, ensuring easy installation and secure attachment to your optical systems. The filter features advanced anti-reflection coatings that minimize back reflection, improving the performance of your optical equipment. Made of durable aluminium alloy with anodic treatment that provides durable performance and wear resistance. Each package contains 1 filter making it an essential addition for photographers and videographers looking for optimal light management solutions.