N50 Short Port 25 with M67 thread for wet wide angle lenses
(widest focal length only, which is needed when using wet-wideangle lenses)
The N50 Port System for Compact Camera Housing is 3 small ports and some short ports with bayonet mounts.The selections are a Square port, that comes along with the housing, a small 3,5" mini dome, and this short port, which is needed when using wet wide lenses like the WWL-1.
(The N50 port system is used on systems like: NA-G7X, NA-LX100 and the newest RX-100 models)
