Reviews
Notably better than the K-series filters
I have a 58mm K&F Concept K-series filter, and don't get me wrong, it's very nice and a very good value, but the glass here is better and it has a more premium look and fill. Machining is excellent, the threads are super smooth, it feels solid in the hand and you can just tell the glass is good by looking at it. It's hard to describe, but the images look more pleasing than the K-series, granted they're on two different lenses. It has a really nice soft, dreamy effect that I love for portraits, the variable ND works as it should, and the CPL does it's job without distorting or coloring my images. It's an excellent filter and pairs nicely with the Sigma lens it's on; I'd definitely recommend this filter both to amateurs and professionals alike.
12/10/2025
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