Guardians of the Galaxy Vol. 2 was a great film filled with incredible Special FX and great camera work. A big part of the good camera work was from DP Henry Braham who chose to use a RED Weapon 8K Vista Vision as his camera of choice. The camera was a prototype at the time, which means it was a big risk to use it.
Read more about this and other techniques used for the movie in an interview with Henry Braham in filmmaker magazine.