The PK-01 Black Mist Filter for DJI Osmo Pocket 3 from Ulanzi has a 1/4 grade diffusion level to lower contrast and create a soft glow effect. This black mist filter also serves to soften wrinkles and blemishes, as well as to control flare and reduce sharpness. This filter is made of optical glass and features a double coating that is scratch resistant and repels water and oil. The lightweight aluminum ring magnetically attaches to the DJI Osmo Pocket 3 lens.