Capture more crisp and clear images by using the Olympus POSR-EP08 Underwater Anti-Reflection Ring by preventing the unwanted reflections. It is specially designed for mounting on lenses with 46mm thread diameters and is compatible with M.Zuiko 17mm f/1.8 and 12mm f/2.0. lenses. Designed for compatible lens port on underwater camera housing, this ring helps in blocking the writings on the lens from affecting the captured images. The reflections from the writings on the lens including the information about aperture and focal length are eliminated by this ring to provide the best results in your photos and videos.