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The K&F Concept lens filter combines a CPL, Black Diffusion 1/4, and Variable ND 2–32. The CPL reduces unwanted reflections from non-metallic surfaces such as water and glass, while enhancing natural color saturation and contrast. The Black Diffusion 1/4 diffuses harsh highlights, reduces contrast, and helps render skin tones more naturally.
The Variable ND function allows continuous light reduction and exposure control without switching between fixed-density filters. The glass features a 28-layer coating and high light transmission to minimize color shifts and reflections. Its surface is easy to clean and resistant to fingerprints, smudges, and water marks.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.