Thank you very much for viewing. Olympus single-focus lens OM-SYSTEM F.ZUIKO AUTO-S 50mm f1.8 Mount type: OM mount The exterior shows some signs of use, but it is relatively clean. The focus ring is smooth. The aperture ring has a good click feel. There is no oil on the aperture blades. The lens has been cleaned, but there may be some slight dust. The lens is clear with no mold or haze. Included accessories: Lens cap (mount side) Lens filter If you have any questions, I will answer them to the best of my ability. Thank you.