While that gig ended up falling through, I couldn't resist the opportunity to try out the mic anyway. The 5D Mark 2 is a capable video recorder, but I preferred my 7D simply because it seemed to be conceived and built with the possibility of video in mind (e.g. it has a dedicated video/photo switch and a dedicated video record button).
Local musician Grace Van't Hof was gracious enough to allow me to sit in on one of her rehearsals. I used my 24-70mm L lens and the Videomic to make the following recording - her rousing rendition of a bluegrass version of "House of the Rising Sun":
Overall, I think this video looks great (recorded at f/7.1 and ISO 640) and the sound is of an acceptable quality, albeit not quite professional. You might see in the video that I also used a Zoom H4n to record sound separately. The sound quality was indeed superior on the Zoom, but I was too lazy to sync them, so the sound on this video represents only what was recorded directly onto the 7D.
A few other thoughts:
- I used a camera tripod for this video, but I'd recommend a video tripod. It is difficult to perform the movements required for such a video using only a camera tripod.
- Speaking of movements, zooming in and out by turning the focal length ring on the Canon 7D was extremely challenging. Not only is it awkward to have my hand positioned there, but my L lens also didn't have much "give." I'm considering getting a Redrock Micro rig (which allows neat things like follow focus), but that is prohibitively expensive at this stage for me.
- The sound controls on the Canon 7D are pretty lacking/nonexistent. More irritatingly, the Canon 7D employs automatic gain control (and a crappy one at that) which is impossible to turn off. Nonetheless, hacks have emerged to resolve this.