Zen Flat Port FP-100-EP for Olympus PEN housings

WA-100-EP Pen Dome for Olympus 9-18, 14-42 in PT-EPxx Housings
This port is designed to accommodate the Olympus M.ZUIKO DIGITAL ED 9–18mm f/4–f/5.6 lens and M.ZUIKO DIGITAL ED 14–42mm f/3.5–f/5.6L on Olympus PT-EPxx housings.

You must use the Zen Underwater port adaptor PA-EP08-EP to use this on the Olympus PT-EP08/11 housings.

FP-100-EP Flat Port for Panasonic 45mm Macro Lens

At last! Zen Underwater offers a true macro option for your Olympus E-PLx camera in the corresponding PT-EPxx housing. 

The Panasonic 45mm f/2.8 ASPH Mega OIS lens yields 1:1 reproduction on the E-PLx cameras and the Zen Underwater FP-100-EP port is the perfect home for this macro lens.

You can also add the Zen ER-EP-25 Extension Ring to accommodate the outstanding Olympus MSC ED M.Zuiko 60mm f/2.8.