Using LUT on Nikon N-Log footage gives very dark output

Help/How To
1

I am using Nikon/RED official LUTs to make my footage recorded with N-LOG look real again. It seems very dark compared to how KDEnlive does it.

Here is KDEnlive with and without the LUT applied:

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image1920×570 107 KB

Here is Shotcut with the same LUT

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image1920×1058 167 KB

The LUT is N-Log_BT2020_to_REC709_BT1886_size_33.cube from Nikon.

I have tried to follow the instructions here How to Adjust the Intensity of LUTs on Shotcut When Applying a Cinematic Look to Your Videos - but then I seem to loose contrast.

2

What is your Processing Mode?

3

It was ‘Linear 10-bit GPU/CPU‘. Now I use ‘Native 10-bit CPU’ - it looks super fine. Thanks!

4

Most log conversion LUTs assume the color space and transfer function are Rec. 709 since that is what they put in the file they write. Therefore, it would be nice to be able to apply a camera LUT before converting to a working linear.

6

Sound like a good feature.