Bypassing 12 minute limit by recording at 720p and forcing fps to 24

Started by mdpatrick, July 12, 2013, 08:51:39 PM

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mdpatrick

July 12, 2013, 08:51:39 PM
Has anyone tried this? The duration could be adjusted in postproduction, and audio wouldn't be an issue if it was recorded independently with something like a zoom h4n (h6) or tascam. I'm just curious if it might be a method to get past that 12 minute limit, and closer to the 29.5minute limit imposed by european regulation.

Shouts out to the admins... Magic Lantern is great! :)

ItsMeLenny

#1
July 13, 2013, 04:22:42 AM
I don't think it is a 12minute limit, it is a 4gb limit.
One could shoot at 640x480 and record for around half an hour.
Or I think one could drop the bitrate down and record for longer.

ilguercio

#2
July 13, 2013, 06:25:54 AM
It's 4GB or 29min59sec.
Yes, you can record for longer than 30 mins by recording at 30fps and use fps override to get 24fps. You should get 6 more minutes this way. Still, if you hit the 4GB limit recording will stop.
Canon EOS 6D, 60D, 50D.
Sigma 70-200 EX OS HSM, Sigma 70-200 Apo EX HSM, Samyang 14 2.8, Samyang 35 1.4, Samyang 85 1.4.
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Datadogie

#3
July 13, 2013, 06:31:38 PM
T3i and Kiss X4 (550d (T2i)) Tamron 18-200mm, Sigma 28-70mm f2.8 (need firmware upgrade) Olympus 50mm f1.8  Olympus 28mm f2.8 and Olympus 24mm f2.8
Fancier 370 tripod and LCD hinged loupe. DIY Slider and crane.

mdpatrick

#4
July 13, 2013, 09:57:49 PM
Quote from: Datadogie on July 13, 2013, 06:31:38 PM
For the t3i

http://photography-on-the.net/forum/showthread.php?t=1232870

That is AWESOME!!!!! 30 minutes is a *whole* lot more reasonable than 12 minutes.

Thanks for sharing. This should be plugged somewhere in the FAQ or otherwise. Going to put my SDXC 128 gig on order so I can do this with raw.

;D ;D ;D
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