<p><em>Crafted for fine lenses, HGX Prime IRND filters are individually ground, polished, and coated. They repel dirt and suppress infrared light to achieve the best possible image.</em></p> <p>Protective &mdash; Repellamax II anti-static barrier resists dust, dirt, oil, water, and fingerprints.</p> <p>Best image &mdash; Finely tuned visible light transmission with truly neutral color to create the image you expect to see.&nbsp;</p> <p>Strong &amp; durable &mdash; Ultra-hardened glass with scratch-resistant coating.&nbsp;</p> <p>This 37mm IRND8X (.9) filter reduces the amount of visible light entering your lens by&nbsp;3 stops. It maintains a neutral color and suppresses infrared light for sharp, clean imagery in still photography and videography.&nbsp;</p>