Please judge the product based on the photos. The exterior is in good condition, and I don't see any dust or other particles inside the lens. This is a lens for M-mount film cameras that I purchased last year in preparation for a Golden Week trip. I've used it a few times a month since I bought it. There are no noticeable scratches on the exterior of the lens, and it's in generally good condition. I couldn't find any mold, haze, or scratches in the optics, but this is a visual inspection by an amateur, so please refrain from purchasing if you are concerned about the details. I am selling it now because I am replacing my equipment.