EpsenB, I think you are over reacting at bit regarding the issue of the new Olympus 7-14mm F/2.8 zoom. Nauticam has a 85mm to 120mm extension with a zoom control allowing you to use the 180mm optical glass dome port (120mm on the housing side) with the current mirrorless Mini housing line. After the adapter is mounted the lens is installed from the front of the housing and then an additional port extension and the port are installed over the lens. This works well for lenses like the Olympus 12-40 zoom and the Zeiss 12mm on Sony NEX and A-APS-C series housings. The zoom gear would be operated from the extension and not the housing zoom dial. I am sure that ZEN Underwater will also have a port solution for this lens going forward. The issue will be to determine the amount of extension needed for this lens. Olympus 12-40 and Panasonic 12-35mm use 20mm of extra extension, Panasonic 7-14mm no extension, I would expect Olympus 7-14mm be be in the 20 to 25mm range if this system does in fact work. The 85 to 120 extension would actually work with any of the ports with the 120mm port mount so you could in theory go to a 230mm port if you wanted with the correct amount of extension. The extension part number is 36052 on the Nauticam port chart.
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