Hoya YYE5155 55mm Mist Diffuser Black No.1 - Pro Mist FilterAchieve Dreamy, Cinematic Effects with Hoya Mist Filter The HOYA 55mm Mist Diffuser Black No. 1 filter is designed to diffuse light sources, creating a soft, glowing effect around highlights while reducing overall contrast. Ideal for adding a cinematic, film like quality to your photos and videos. Specifications: Filter Size: 55mm Filter Type: Mist Diffuser Black No. 1 (Similar to 1 4 rated filters) Construction: Fine black nano powder distributed