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Alexa workflow for Final Cut

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Jonathan Holm
Alexa workflow for Final Cut
on Apr 19, 2011 at 1:46:58 am


I apologize if this feels like a reposted question in this forum. I've searched for answers and I'm still not 100% sure that my workflow will be ok.

In the next week, I will be receiving Apple Prores 4444 files that will be shot on an Alexa camera. The files are going to be delivered on a drive in the .mov format. From what I can tell, they can import and play in Final Cut with no problem.

Along with the .mov files, there will be the following:


LUT files

I've never dealt with ASC CDL or LUTs in Final Cut Pro.

From what I understand, the ASC CDL, which is the color decision list from the cinematographer, will NOT import into Final Cut Pro. Is that correct? We have an Avid here as well, which I am told can import ASC CDL's, but I'm not sure. Our big issue here is that we have to send the edits to our graphics people early because it is shot on green screen, and the shots need to be color timed beforehand because they are massive renders with heavy graphics.

They are recording arri log C to apple pro res 4:4:4:4.

On the drive, there will be:

cam_a .mov files

I am told that the LUTs are an ASC CDL type made with a Truelight system.

So, here are my questions:

1. Do we need to purchase a separate program to import the ASC CDL, like deVinci or Lustre?

2. Other than the ASC CDL, does my workflow sound correct (i.e. import .mov files into Final Cut, color correct, then send to after effects)?

Thanks in advance for any help you can give me, it is really, really appreciated.


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Michael Kammes
Re: Alexa workflow for Final Cut
on Apr 19, 2011 at 2:04:11 pm

FCP and Avid MC currently have no way of natively importing LUTs on ARRI material.

Thus, we need to use a plugin. Nick Shaw has one that works well, and may solve your problem:

His plugins use specific LUTs, and one may be close enough for your purpose.

Short of that, you would have to use an online system (a la Baselight. etc) which can accept the LUTS, then export the bakjed in LUT .mov, and edit with that.

Personally, I would use Nick Shaw's Plugin, edit with the LOGC "look" filter, then perform an online elsewhere and link to the ASC LUTs.

There is also an ARRI forum here as well.

Good Luck!


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Jonathan Holm
Re: Alexa workflow for Final Cut
on Apr 19, 2011 at 4:58:13 pm

Thank you very much! I'm going to post in that forum and see what kind of responses I can get.

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