What version of darktable have you tried?
Can you try 3.0.1?
https://github.com/darktable-org/darktable/releases/download/release-3.0.1/darktable-3.0.1-win64.exe
I just tried.
The problem remains with a different message
“loading image DSC_xxxx.NEF…”
after that nothing happens.
Jpeg files can be imported. As you can see raw files has this skull image.
Could you please upload one of your RAW image files?
Thank you!
Now, I am back after having had a good dinner 
This might be a depressing piece of news, but your .NEF opens perfectly well in
- darktable
- RawTherapee
- Art
under Linux Manjaro/KDE.
Since you use another operating system, it sounds as if your problem might have something to do with that specific implementation…
Sincerely,
Claes in Lund, Sweden
Thank you Clae
I hope another darktable windows user open my file and remarks the result.
Stam
Chios Greece
I see the same problem using the flatpak of 3.0.1. I bet it is a rawspeed version issue.
@LebedevRI, can you provide any insights here?
2 Likes
It’s not supported in 3.0.x because no one propagated support there.
Ask stable branch maintainer for more details.
2 Likes
hi, I having similar problem.
I have windows 10, darktable 3.0.2
the message is: Nikon Z 50 color matrix not found.
If I import my or siliadakis .NEF raw file I see some colors (it is normally bright) in light room, if I open file in dark room and do any edit I will loose colors and brightness.
Hello, all. I’m a long-time Darktable user (though by no means an expert) but am new to version 3.01 and to my Nikon Z 50. I’ve been following this thread and wanted to share my experience.
I’m running on Pop OS 20.04 LTS Linux zjc_0302.nef (23.0 MB) (an Ubuntu variation) and using Darktable 3.01.
I, also, get the ““loading image” error. I can see thumbnails of my NEFs but the images will not load in the lighttable.
Attaching a file…
Nikon Z50 basic support was released with darktable 3.0.2. So, probably Pop OS is a bit outdated there.
Thanks, Olivier. I knew version might play into it but had been unable to find a definitive statement of when Z 50 support was granted. Appreciated.
1 Like
Upgrading to 3.02 took care of it. Thanks, all.
Got version 3.1.0~git1880.268670c25 and can open the file without problem.
You are right. I can use the darktable 3.02 with z 50 ’ nefs. Thank you all for the support.
Στις Τρί, 2 Ιουν 2020, 10:11 μ.μ. ο χρήστης pphoto via discuss.pixls.us noreply@discuss.pixls.us έγραψε:
Hey, I’m also using 3.02 and it still shows colour matrix not found. Did the update sort it out on Windows?
Good news - darktable 3.2.1 was just released and now it can open Z50 raw files. I’ve tested and the files open with no issues so far
Happy now
1 Like
Hello,
I have recently bought a nikon Z50. It works wel with darktable.
I see there is only standard color matric and not the enhanced one.
Do you need some sample of a color-checker to improve the support ? (documentation available ?)