OLYMPUS G.ZUIKO AUTO-S 50mm f/1.4 lens, 49mm filter thread, with lens cap. - Brand: OLYMPUS - Model Name: G.ZUIKO AUTO-S 50mm f/1.4 - Lens Diameter: 50mm - Filter Diameter: 49mm - Accessories: Lens cap, filter Thank you for viewing. The aperture blades and focus ring are functioning correctly. The lens surfaces that can be disassembled have been lightly cleaned and are considered to be at a practical level. As this is an old lens that has been in circulation for over 40 years, there may be some minor mold, slight haze, and dust particles. Please check the details in the photos. No returns accepted. #152