New announcement: Nauticam housing for the GH4.
Nauticam announced the new GH4 housing and full press release can be read here: nauticamusa.com/news/2014/7/9/housing-for-gh4
And this is an example video taken with the GH4:
Cat Island May 2014 – GH4 Demo Reel from Christopher Parsons on Vimeo.