A rugged underwater housing for the groundbreaking OM-D EM-1 camera, the PT-EP11 utilises interchangeable bayonet-mount lens ports (PURCHASED SEPARATELY) that are compatible with selected M.Zuiko Digital and Zuiko Digital lenses. The optional port PPO-EP01 enables the use of eight different M.Zuiko Digital lenses: 9-18mm, 12-50mm, 14-42mm, 14-42mm II, 14-42mm II R, 45mm, 75mm and the 60mm Macro. The optional port PPO-E02 and port adaptor PAD-EP08* enables the use of the M.Zuiko Digital ED 12-40mm lens.