Most Nauticam housings offer interchangeable ports that allow for the use of a variety of lenses, however different lenses may require different ports and extensions rings to maintain or correct for underwater optics. Some lenses allow for access to zoom and manual focus functions when inside the housing via a gear set that works in conjunction with a supported housing or extension ring. Consult the appropriate chart for your housing system. If a lens is not listed, it does not necessarily mean it will not work, it means that we have not tested it. For questions regarding lens compatibility please contact us.