The OM SYSTEM LC-52D Lens Cap is designed specifically for the M.Zuiko 9-18mm f/4-5.6 II lens, helping protect the front lens element from dust, scratches, fingerprints, and everyday wear during storage or transport. Its spring-loaded center-pinch design allows for quick and convenient attachment or removal, even when a lens hood is attached, making it an essential accessory for maintaining the performance and condition of your lens. | Om System | | LC-52D Center-Pinch Lens Cap for M.Zuiko 9-18mm f/4-5.6 II Lens Protection | Black | Best Buy