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No problems recording 2h RAW at all (presumed overheating isn't an issue).

It's just your specs making it impossible to match.

Thanks.
In the meantime I found a Magic Lantern fps calculator (Excel), and worked out that I really need h264 to obtain reasonable file sizes on one hand and resolution on the other.

No. Uncompressed RAW data rate without compression will be around 27 MByte/s. Compression ratios of 27:3.75 will not be seen in RL.

Ok, 27MB not Mb. Thanks.
So no chance at all to record ~2h even with Magic Lantern mod, even h264, mgpeg2, AVCHD, you name it?

Hi,
I'm evaluating a(nother) camera purchase based on the need of ~2h unattended recording each time.
I'm already an advanced photo-amateur.
I've read conflicting informations regarding continuous recording times... ranging from a few seconds (that's with audio, if I understood well) to a not better specified "continuous".

My question: is it possible to attain ~2h uninterrupted (without gaps due to spanning, glitches, whatnot) 29.97fps 720p 8/10bit RAW recording, no audio is fine by me, and a bitrate around 30Mbps (3.75MBps or 13.5GB/h) on the Canon 100D?

Thanks in advance.