http://en.wikipedia.org/wiki/Rotary_disc_shutter
I usually do my 60fps slowmos at 1/120 shutter, it gives you a more smooth motion after all, 360º shutter is ugly!
Yeah I get that... the question is..,. if the section ISN'T for a slow mo (just my regular 720p footage) should I have the shutter at 50 or 100? (This is PAL.)