Here is the video I did last saturday in Corps. The news is that I tried to film with my EOS 650D in addition of the onboard Keycam 808#16 V2 Lens D. I'm satisfied with the result. Therefore in order to ease the video shooting, I invested in a LCD viewfinder to allow better viewing while filming. I also need to work on the settings in video more to obtain a more consistent result.
An afternoon in Corps from Pierre Rondel on Vimeo.