This is a Kenko Black Mist Filter No. 05, 67mm diameter. I purchased it new on Amazon and used it for about six months. To my untrained eye, it appears to be in beautiful condition when held up to the light. [Brand and Model] Kenko's BLACK MIST No. 05 is a soft focus filter that creates a soft, cinematic atmosphere. It's especially ideal for portraits and landscape photography. [Filter Features] It has a 67mm filter diameter and is easy to attach. It gives a soft impression while suppressing light diffusion, adding a special effect to your photos. [Usage Scenarios] This filter is a must-have item for professional and amateur photographers who want beautiful, movie-like images. It's especially recommended for use in scenes where soft light is desired. - Brand: Kenko - Model Name: BLACK MIST No. 05 - Filter Diameter: 67mm - Filter Type: Soft Focus Filter Thank you for looking.