Achieve even better photo results with the K&F Concept Filter. The product eliminates the X-effect and prevents stray light. It is well suited for photographing water or dynamic subjects, and its robust construction ensures that it will not be damaged. ND8-ND128 filter: You can adjust the filter from ND8 to ND128 to control the amount of light that enters the lens. It is perfect for photographing rivers, waterfalls or moving objects and allows you to capture the blur effect. Sophisticated design: The filter is made of high-quality AGC glass and is characterised by high light transmission. It also consists of 28 nano-coatings that protect against water, scratches and glare. The non-slip design makes it easy to install and remove, and the clever design avoids the X-effect that occurs when the filter stages cross over each other.