Eisa assigned this M.ZUIKO DIGITAL ED 9-18mm as European Best Micro System Lens 2010-2011

Olympus M.ZUIKO DIGITAL ED 9-18mm 1:4.0-5.6 Micro Four Thirds ultra wideangle zoomlens.

Great lens for both land and underwaterphotography.

This lens won't fit in the standard lensport of the Olympus PEN underwater housings. You will need the ZEN WA-100 dome port, especialy designed for the Olympus PEN housing.
 
With the optional PPZR-EP02 zoomgear you can even operate the zoom within the housing.

• Extreme fast high-speed contrast AF
• Optimised for movie shooting with low focusing noise
• Ultra compact with a length of only 49mm
• Multi-coating on all lens elements
• Circular aperture diaphragm