20mm Neutral Density Filter Compatible with C/SM1 Mount 0.01%-10% Transmittance Optical 1pcs (1% C-Mount Thread)

High quality 20mm neutral density filter designed to reduce visible light without compromising image quality, perfect for photography and optical applications. Adjustable transmittance range from 0.01% to 10%, allowing precise control over light entering the optics for improved imaging results. It features advanced anti-reflective coatings that minimize backward reflection, improving image clarity and contrast. Includes a durable aluminum alloy mounting bracket with anodized surface treatment, ensuring longevity and wear resistance. Compatible with C-Mount and SM1 threaded systems, makes it a versatile choice for various optical configurations and enhances your photo tool kit.