Testing new head cam.
http://www.youtube.com/watch?v=Rv78rsXjzAk
This is capable of recording about 3 hours with it's current battery and 8 GB mem cards. And no need for re-starts, this saves is in 30 min parts. Video quality isn't as good as in the previous one, but this will do. Weight is 30 g with holder clip (but without head band).