Prevent the writings from showing in your photos and videos by using the Olympus POSR-EP09 Underwater Anti-Reflection Ring V6340470W000. This ring is specially designed to mount on the compatible lens port of the underwater camera housing. It is compatible to be attached to the M.Zuiko 25mm f1.8 lens. The special property of the lens helps in avoiding the writings on the lens such as aperture and focal length information from reflecting on the glass of the port. This helps in bringing the best results in your photos and videos.