NASA and IMAX collaboration...
http://nofilmschool.com/2015/01/nasa-imax-match-made-heaven-bts-footage
In order to capture all of that awe-inspiring footage at the highest possible image quality, however, NASA's astronauts had to be trained to load and operate the enormous IMAX cameras, which is no easy task for a seasoned filmmaker, let alone a group of astronauts suspended miles above the earth. The following video provides a unique behind the scenes look at one of these IMAX training sessions. Special thanks to Kevin Hejna, one of our readers, for sending this to me.
Camera Training...
https://www.youtube.com/watch?v=tPDfv5jRzJg
NASA documentary containing IMAX footage...