It's in excellent condition because I rarely used it. Thank you for your consideration. "WOR" = "Water & Oil Repellency" A new map camera original water and oil repellent protect filter is now available! Considering interference with lens design, the diameter markings use colorless ink printed on the filter frame. The glass uses "DHG Super Series" made by Marumi Optical Co., Ltd., which has high water and oil repellent performance. This is a map camera original protect filter that combines a simple design and high performance! Manufacturer: Marumi Optical Co., Ltd. / Country of Origin: Japan