The Irix Filter Edge 100 IR ND128 2.1 is a high-quality neutral density filter specifically designed for use with lenses. With a size of 100x100 mm and a density of 2.1, this filter reduces the amount of light by 7 stops, making it ideal for long exposures and creative photography. The filter type is an ND filter, which allows for extended exposure times without affecting the colour balance of the shot. This is particularly useful in bright environments where overexposure must be avoided. The Irix Filter Edge 100 IR ND128 is also equipped with a special coating that minimises reflections and enhances image quality. The use of a screw filter allows for easy handling and attachment to various lenses. This filter is a valuable addition for photographers looking to expand their creative possibilities and achieve impressive results.