NiSi 55mm HUC PRO Nano IR NDフィルター ND8（0.9）3段

The glass is impressively crisp with zero color cast that I can see, which makes the 3-stop reduction feel almost invisible on the image. It screws on smoothly and my long exposures came out tack sharp without any weird IR pollution.

I’ve been using this ND8 for shooting rivers and waterfalls, and the lack of color cast is impressive—it keeps the tones natural even with long exposures up to 30 seconds. The slim ring doesn’t cause any vignetting on my wide lens, which was a concern before buying.

I shot some long exposures at the beach and the color cast was practically nonexistent, which saved me so much editing time later. The glass feels solid and the nano coating repelled water droplets nicely between waves. For a 3-stop ND, it keeps images incredibly crisp without softening details.