Determining aperture for multi-camera shoots

rc444

Well-known member
I'll never have the privilege of shooting multi-camera unless I shoot a wedding video (most unlikely) or a US sitcom (highly unlikely).

However, we were involved in a 2 camera short drama shoot at film school yesterday and the question arose of how does one determine aperture if you're shooting with more than one camera.

It was a period piece (1910) and we were shooting indoors. The colour balance on both cameras was the same - we opted for daylight instead of tungsten even though we were indoors because the orange tone gave the film a warm "period" look.

My classmate and I got into a bit of an argument. My argument was that different apertures should be used because camera A is shooting in a darker area of the room than camera B - the f-stops should be separate for both cameras, within reason of course. You should still aim for the same look between both monitors, but this doesn't necessarily have to be the same stop. Her argument was the the same stop should be used for both cameras regardless so that they cut together well in the edit room. Who's right here?

I am sure that in Hollywood multi-cam shoots they use different cameras with different filters with different stocks - which mean a different calculation for each camera - but assuming you were using two of the same cameras with the same settings, how do you set the exposure?
 
I'm no multicam expert by any means but we shoot quite a few multicam interviews and I set apertures to get the same exposure on all three cameras. They're usually pretty close but not exact and I wouldnt have any issues about cranking one down if I had to. If you are shooting on 1/3" cameras the difference in DOF will be negligible and everything should cut just fine. Its all just a number. If they look like they'll cut on the monitors then they'll probably cut fine in the edit room.
 
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