The Haida 72mm NanoPro Black Mist 1/8 Variable ND Filter provides a light reduction range of 1.5 to 5 stops, coupled with a 1/8 black mist coating. This filter merges the functions of a variable ND and a black mist filter, helping to soften highlights and decrease contrast. Crafted from K9 optical glass, it features a nano coating that makes it both waterproof and scratch-resistant, while the aluminum filter ring ensures durability.