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suzannel84063148
Known Participant
October 20, 2023
Answered

Can't see HDR results directly (new feature)

  • October 20, 2023
  • 4 replies
  • 1201 views

Lr  Classic 2024
Mac Studio Apple M2 Ultra
macOS Sonoma
LG UltraFine Screen

 

I can't see HDR results directly (new feature). I can't check the "Preview" box.

 

This topic has been closed for replies.
Correct answer JohanElzenga

Is that LG screen HDR? There are many different LG screens that are all called 'UltraFine', but not all of them are HDR. If the screen is indeed HDR, did you enable that in MacOS? If you did not, then the screen is set to SDR.

 

4 replies

G
gregbenz
Inspiring
November 13, 2023

You can confirm your current HDR support via test #1 on my site: https://gregbenzphotography.com/hdr/#tests

 

if that test show 0 headroom, either the monitor lacks support, offers weak HDR but is set too bright to use it, or it has not been enabled in the operating system. 

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suzannel84063148Author
Known Participant
November 14, 2023

Answer :  "HDR headroom = 0.0 stops"    Thanks Greg.

 

 

GoldingD
GoldingD
Legend
October 20, 2023
LG UltraFine Screen

So from Ref (1), under "System Requirements and Recommendations", a VESA Certified Display HDR level of 1000 or higher is recommend, and Ref (2) is listed as a source for monitors. Is your specific one listed?

 

REF 1:  Edit and Export in HDR

REF 2: Certified Products (HDR)

 

 

S
suzannel84063148Author
Known Participant
October 20, 2023

No, I don't find it.  Thanks !

GoldingD
GoldingD
Legend
October 20, 2023

In that Histogram Panel, Just under the graph, on right side, the ! mark in the red circle, Info. What shows up when you click on it?

 

 

JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
October 20, 2023

I believe that red indicator tells you the screen is not HDR.

 

-- Johan W. Elzenga
JohanElzenga
Community Expert
JohanElzengaCommunity ExpertCorrect answer
Community Expert
October 20, 2023

Is that LG screen HDR? There are many different LG screens that are all called 'UltraFine', but not all of them are HDR. If the screen is indeed HDR, did you enable that in MacOS? If you did not, then the screen is set to SDR.

 

-- Johan W. Elzenga
S
suzannel84063148Author
Known Participant
October 20, 2023

Indeed, I don't see any mention anywhere that this is a screen that supports HDR: https://www.lg.com/us/monitors/lg-27MD5KA-B-5k-uhd-led-monitor
It's strange because, on the LG site, there are several very inexpensive HDR screen models, whereas I bought mine via Apple about a year ago at a high price.
Thanks a lot Johan.

 

JohanElzenga
Community Expert
JohanElzengaCommunity Expert
Community Expert
November 14, 2023
quote

Indeed, I don't see any mention anywhere that this is a screen that supports HDR: https://www.lg.com/us/monitors/lg-27MD5KA-B-5k-uhd-led-monitor
It's strange because, on the LG site, there are several very inexpensive HDR screen models, whereas I bought mine via Apple about a year ago at a high price.
Thanks a lot Johan.

 


By @suzannel84063148


HDR is just one feature that makes up the price of a monitor, and probably not the most important one. Your screen is a wide gamut 5K Thunderbolt 3 screen, so it is not surprising that it wasn't so cheap. The specs say it is 500 nits however. I am not sure, but I believe that this is the minimum for HDR and so it should at least give you one stop HDR. I asked this earlier: Did you turn on HDR in MacOS Display settings?

 

-- Johan W. Elzenga
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