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Katrikura

12 or 10-bit RAW Magic Lantern!!!!

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Hello:
         Again the boys lantern MGIC surprise us. A1ex, just determined as record the raw video in 12 bit or 10 bit, although it is a finding emerging, it is only a matter of time to debug the application and develop a specific module raw 10 or 12 bit.

As you know, the problem of actaul RAW 14 bit, is what is fantastic, but you need very fast and stable cards (1066x) to record on average 4gb x minute and sometimes, depending on the quality of the card becomes unstable recording . With the current discovery means we can record RAW, but with greater stability and less space or at a higher frame rate.

Today is a great day for the Magic Lantern filmakers community.

regards

Katrikura

Sorry for the bad English

 

http://www.magiclantern.fm/forum/index.php?topic=5601.300

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7 minutes ago, Jimmy said:

i'm thinking more about if they hack the 5D IV

Raw video comes from liveview, that's why it's only 1080p video on the 5D MKIII and not a full 4k sensor dump. I imagine it will be the same deal with the MKIV.

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1 hour ago, squig said:

Raw video comes from liveview, that's why it's only 1080p video on the 5D MKIII and not a full 4k sensor dump. I imagine it will be the same deal with the MKIV.

Not true for the 3x crop as the data available is larger than 1080p in most cases ;)

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4 minutes ago, Justin Bacle said:

Not true for the 3x crop as the data available is larger than 1080p in most cases ;)

Yeah but it's still not 4k, and it's a crop.

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Just now, squig said:

Yeah but it's still not 4k, and it's a crop.

Sure, but hey, you can't get everything right ? :D I would be insanely happy with 2000x1080 12bit Raw continuous recording on the mighty 250€ Canon 50D !

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1 hour ago, jagnje said:

hahah :) maybe we`ll be buying back the 550d cameras :)

They were good cameras when they were new, I still use one as a B or a C camera with great results :) Even with 10b raw, I don't think the bandwith is high enough though :s

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For folks who just can't bring themselves to delete the RAW files, this will save some storage space. And if it also helps the actual recording datarate, the older DIGIC 4 cameras will get a performance boost: keeps the 50D and 5DII relevant for people who already own those cameras.

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That's great news that the Magic Lantern guys have figured out 8 or 10 bit recording. It would be great to see if this has the potential for the 5d III to shoot higher frame rates at 1080p raw! Is it possible to calculate possible frame rates?

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4 minutes ago, ThomHaig said:

That's great news that the Magic Lantern guys have figured out 8 or 10 bit recording. It would be great to see if this has the potential for the 5d III to shoot higher frame rates at 1080p raw! Is it possible to calculate possible frame rates?

Horisontal x vertical x fps x bit depth / 8 (=1 byte) = Bps  == 1920x1080 x 24 x 14 / 8 = 8709120 = 83 MB/s. The limit for the 5D3 card interface is around 95MB / s, which means backwards, the highest possibile framerate is 38 fps at 10 bit, 1920x1080, but we are far from that right now. 

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