Thank you for viewing. This is a Canon CIRCULAR PL-C 52mm circular polarizing filter. It is effective in reducing reflections on glass and water surfaces, and in making the blue sky and green colors appear more vivid. Condition: There is no visible mold or clouding on the filter surface. There are slight scratches on the frame, but there are no problems with use. Genuine Canon, made in Japan. You can use it with confidence. Notes: ・Please refrain from purchasing if you are nervous about used items. ・The case and original box are not included; only the filter itself is for sale.