P: Ability to use 3D LUTs

How is this not already a thing? ADD THIS NOW! Being able to use the same presets in Photoshop, Premiere AND Lightroom would make creating your signature look easy!

Would be very useful and effective if LR classic could use LUT as graduated filter. Especially now that new range masks allow a very fine control.

I would like to be able to import, create, export LUT's for and from LR.
I work on motorsports events, I have to work fast, to make and edit my pictures, I have to share my work with differents collegues  (agency, customers..etc..) , so I use mainly Lightroom. And we need to work with the same standards.
 
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"Any color effect or Lightroom preset will reduce the color gamut of a raw photo."

Many color adjustments you make in LR Develop  will not change the gamut.

Any color effect or Lightroom preset will reduce the color gamut of a raw photo. The goal is not to have the same gamut when creating a final image. It's to have a nice image.

LUTs are not all that different in concept than Lightroom presets. They are just a standard that can be used to get the same results across multiple applications and there are many resources for where to get them because they can be made in many ways.

Excellent, thanks.  I'm looking into whether to add "Apply LUT" to my Export LUT plugin.

Hi John,
My usage would be limited, but I have been in the situation, and have noticed peers in the industry have the need to precisely match stills to video for marketing/previs needs, and it follows that the stills shooter should be following the lead of the DIT in terms of grading, not the other way around. Being able to start with he same LUT seems like the most logical workflow for this.
LUTs also provide a more intricate color-grading profile than Lightroom allows sometimes... this particularly bugs me. Giving a more complex grading structure in Lightroom would solve a lot of this. Split toning allows for very basic looks, where a mid-tone option, or a color gradient option (in brush form as well!) would significantly increase the creative control of stylized shots without the need for complex files in photoshop.
Many of us end up having to degrade the color space in some way for end use of the files anyway.
Does that help?

Iulian, can you give more detail about the reasons how and why you'd like to apply LUTs within LR?  Such detail helps Adobe prioritize improvements.  Does the fact that applying most LUTs would reduce the color gamut of raw photos affect your desire to have the feature?

Me too

Alberto wrote, "Even if LR processes the images as 16 bit ProPhoto RGB, LUT can be applied."

If LR added a feature allowing LUTs to be applied, there's a color-space limitation that may reduce the usefulness of this feature.

Most LUTs people are interested in applying come from video color grading, and they typically operate on a different color space, most commonly Rec 709. To apply a LUT faithfully, preserving the exact color-to-color transformations, LR would need to implicitly convert a photo from LR's internal working space to Rec 709, apply the LUT, then convert back to the working space.   The gamut of LR's working space is the same as ProPhoto RGB, which is significantly wider than that of Rec 709 (same as sRGB). So applying common video LUTs would necessarily narrow the gamut of many photos, especially raw photos.

This probably isn't an issue for people who want to use LR to process video stills or photos taken of the video scene to preview color grading of their video, since the video will be delivered in Rec 709.   But it could be a noticeable limitation on those who want to apply video LUTs to their raw photos to get similar creative looks while preserving the wider gamut.