The Olympus PPO-EP01 Lens Port for PT-EP08 Underwater Housing/OM-D E-M5 Digital Camera is compatible with the PT-EP08 underwater case for the E-M5. It accommodates the M. ZUIKO DIGITAL ED 9-18mm f/4-5.6, ED 14-42mm f/3.5-5.6 / II / IIR, 45mm f/1.8, ED 75mm f/1.8, ED 60mm f/2.8 Macro and ED 12-50mm f/3.5-6.3 EZ lenses (sold separately). When you use the optional Macro Lens Adapter PMLA-EP01 (not included), you can use the Underwater Macro Conversion Lens PTMC-01, which has a 67mm filter thread diameter. The port has a depth rating of 147.6' (45 m). Bayonet-mounted, it has a flat glass front element which is multi-coated to reduce reflection for better image quality. The port body is constructed of durable polycarbonate.