The K&F Concept variable ND Filter ND8-128 Nano X Magnetic with a diameter of 55 mm is a high-quality lens filter specifically designed for photographers and videographers. This neutral density filter allows for precise control of exposure by reducing the amount of light that hits the sensor. With a variable ND range from ND8 to ND128, it offers versatile applications, from shooting in bright daylight to creative long exposures. The filter features a magnetic attachment that enables easy and quick mounting and dismounting. Additionally, the green-coated surface protects the filter from scratches and enhances light transmission. The 28-layer multi-coating minimizes reflections and ensures high image quality. The filter is also water-resistant, making it ideal for use in various weather conditions. With this filter, users can expand their creative possibilities while optimizing image quality.