Lens auto operation Aperture blade opening and closing operation The above have been confirmed. I believe there is no mold on the lens. ※ Please note that this is a used item, and I do not possess the specialized knowledge of a camera store, so there may be oversights. Please assume that anything not mentioned has not been confirmed. We do not offer support or warranty for any changes in condition or malfunctions after receipt. Please purchase only if you can accept this. As this is a used item, returns are not accepted.