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I reckon processing from a OSC camera is a bit easier. For one thing each colour channel is already aligned in each sub, and the seeing for each channel is identical for each sub.
Looking at the data for most cameras it would appear that Petr is right, for RGB you get the same depth of data in half the time on an OSC compared to a mono camera.
So you can get your RGB in 9 hours instead of 18.
That leaves the Luminance channel, which is twice as quick on a mono as on an OSC (I could be wrong here, does anyone actually collect Luma separately with an OSC camera?).
I think most people just make a psuedo luma channel from the RGB data when using an OSC camera? You could also use a mono camera just to collect the luma data if you have one.
Either way, you could either get the same/similar data in near half the timewith an OSC vs with a mono camera, or go nearly twice as deep with an OSC in the same amount of time.
Last edited by Poita; 24-01-2013 at 10:02 AM.
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