It's kind of disheartening to see all those parts bouncing around, and this goes on every time we press that trigger -- this slowmo clip was shot at 2,000 frames per second, (best watched in full-view):

Single-Serving Photo - Canon 5D Shutter in Slow Motion (http://singleservingphoto.com/2009/07/22/canon-5d-shutter-in-slow-motion/)

And, by the way, related to this -- the life expectancy of the 5D shutter:
http://www.olegkikin.com/shutterlife/canon_eos5d.htm

-- peer