I watched the Blackfish doc on CNN a couple of weeks ago. Thought the 5D footage looked great.

""Blackfish" tops the indies chart this week and also ranks #4 among movies overall in the iTunes store and #1 among documentaries."

Top 10 Indies in the iTunes Store This Week: 'Frances Ha' Hits the List, 'Blackfish' Rules | Filmmakers, Film Industry, Film Festivals, Awards & Movie Reviews | Indiewire (http://www.indiewire.com/article/top-10-indies-in-the-itunes-store-this-week-frances-ha-hits-the-list-blackfish-rules)

IMDB Technical Specs: http://www.imdb.com/title/tt2545118/technical?ref_=tt_dt_spec