NiSi HUC C-PL PRO Nano 55mm 環形偏光鏡

Used this on a bright day at the lake and the difference in sky saturation was immediate, with no color cast. The slim ring doesn’t cause any vignetting on my wide lens, which is exactly what I needed.

Finally cut the harsh reflections on my waterfall shots, and the nano coating actually repels water droplets nicely. It threads on smoothly and doesn't add noticeable color cast to the image.

I was worried about glare ruining my landscape shots, but this filter cuts reflections with almost no color shift. The nano coating really does make cleaning smudges off the glass effortless.