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Color Settings for Sony A7sIII HLG2 Rec.2020

PostPosted: Thu May 27, 2021 1:52 pm
by RobiMetti
Hi guys,
can you please suggest me the correct color settings in davinci to edit these Sony A7sIII HLG2 Rec.2020 in Davinci ?

Just to make sure that my exported files are seen by HDR televisions like the original generated in camera.

So far I tried these settings but my scopes shows an SDR 100 nits signal, and my HDR monitor as well.

Immagine 2021-05-27 155108.png
Immagine 2021-05-27 155108.png (561.63 KiB) Viewed 1926 times


Immagine 2021-05-27 155040.png
Immagine 2021-05-27 155040.png (72.06 KiB) Viewed 1926 times


Thanks

Re: Color Settings for Sony A7sIII HLG2 Rec.2020

PostPosted: Thu May 27, 2021 2:55 pm
by Jim Simon
Try this:

HLG HDR.png
HLG HDR.png (45.59 KiB) Viewed 1925 times


HDR Export.png
HDR Export.png (43.98 KiB) Viewed 1925 times

Re: Color Settings for Sony A7sIII HLG2 Rec.2020

PostPosted: Thu May 27, 2021 5:47 pm
by RobiMetti
Jim Simon wrote:Try this:


it looks even more flat now

Immagine 2021-05-27 193854.jpg
Immagine 2021-05-27 193854.jpg (125.56 KiB) Viewed 1899 times

Re: Color Settings for Sony A7sIII HLG2 Rec.2020

PostPosted: Thu May 27, 2021 11:21 pm
by RikshaDriver
The ACES settings are in fact an ODT, not an IDT. They are absolutely wrong.

If you are shooting standard HLG, you can use the HLG (Scene) input setting in RCM, but beware that there are currently issues with having an the default Input DRT - you will need to disable DaVinci input DRT.

Also, the HLG2 profile uses a custom gamma curve that's not the same as the standard HLG curve.

I've written something up on this matter which might make you reconsider using HLG2: https://xtremestuff.net/sony-and-hybrid-log-gamma-hlg/

Re: Color Settings for Sony A7sIII HLG2 Rec.2020

PostPosted: Sat May 29, 2021 2:57 pm
by Jim Simon
RobiMetti wrote:it looks even more flat now
After export? On a calibrated HDR display? (Not your computer.)