Chrisfrancia
"So what would give me the cleanest image at lets say 1600 iso to start"
H264 All-I compression is what you will want, with a flat picture style, that will max. out at ISO 1600. Process in post with log/colour correction.
RAW video depending on your camera will likely have hot pixels starting at ISO 800. You can process in post, but the longer
the clip runs the more they appear. Shadow noise in low light may be a problem so ISO 400 is a safe max.
Even with RAW I use a flat picture style, just to capture more DR in the footage. Cinestyle is OK if you use their LUT. There are others.
There is an entire ETTR approach but you really need to verify how many stops (1/3rd stop is commonly stated). I prefer to use zebras at 1% with a flat pic style.
As for resolution, I have a lot of posts on the specifics. Check on my backposts.
720p 24fps is continuous raw. 1600 @ 2.35 24fps, is probably the most useful for up. res. as it runs for about 60s with a 50MB/s+ write card speed.
As for the person who enquired about 10 or 12 bit raw video.
ML gets 14 bit raw, by not reprocessing the sensor data. It would be more difficult/slower to get lower raw bits.
I would suggest anyone who wants 12bit raw up to 4k at 16:9, aps-c sensor, global shutter, look at the BMD ursa mini, starting $3k.
The 5DMk2 can get you 14bit raw, FF sensor, at 1920@2.35 24 fps, for about $1k. You can also push the ISO higher for low light.
