For some time now, brands like K&F have been making quality filters accessible to a growing number of users. Previously, filters of this caliber required an investment of two to three times more. Now, you can get them at a price that, while not cheap, is much more reasonable without sacrificing quality.

The first thing you notice upon receiving it is the build quality, with a metal frame and glass that doesn't feel fragile. The filter has a good weight, neither too heavy to unbalance the lens nor so light that it feels cheap. The 36 layers of nano coating aren't just a marketing term; when working in challenging conditions such as backlighting or nighttime scenes with many light sources, the low reflectivity (specified at 0.15%) is immediately noticeable, eliminating those annoying ghosting effects that ruin so many shots.

I've conducted several tests comparing this filter with similar effects in post-production, and the difference is substantial. The effect it achieves on the skin is soft and natural, blurring imperfections without looking artificial—something that's very difficult to replicate in post-production. And consider the number of hours you save.

The 1/8 effect is subtle but definitely noticeable, ideal for those seeking that cinematic touch without overdoing it. Intense highlights acquire a soft halo that adds character to the image, and skin tones appear more even without losing texture. In video, it's especially useful for creating that film look that's so sought after these days. However, it's important to keep in mind that it's not the right filter for every situation; in landscape or architectural photography where the goal is to capture maximum detail, this filter can reduce sharpness, albeit very subtly.

The thread fits lenses perfectly, without getting stuck or loose, which facilitates quick changes between shots. The price may seem high compared to other options on the market, but after trying cheaper filters that generated unwanted color casts or uneven effects, it's a worthwhile investment for the consistency and quality of the results.