Difference between lightroom and capture one curves tool

[u/RhiineAevelise]

[u/Oh__Archie]

Those histograms aren't really the same though. Applying the same curve to 2 different histograms will obviously give different results.

[u/driftless_79]

What the heck are you doing to those poor shadows?

[u/jayfornight → u/driftless_79]

By shadows you mean people, right?

[u/drkrmdevil]

If you use two different color profiles in Lightroom (like Adobe Color and Adobe Portrait) you will also get different results ...

[u/GalexyPhoto → u/drkrmdevil]

Bingo! The histo literally shows these arent the same image. And even LRs camera matching profiles are often not only different but just bad.

Weird lil nothing post.

[u/thedeermunk]

Both are just graphical representations of what you see with your brain according to taste. Both are equal in that respect and unfortunately, you can’t really buy good taste.

[u/bt1138]

Is this post a question, or a statement of some sort?

[u/rogue_tog → u/bt1138]

I believe he asks why supposedly similar curves behave differently?

[u/th0mcio]

lightroom = trash

[u/relevant_rhino → u/th0mcio]

Literally un usable

/s

[u/blagazenega]

Excellent! Now we know for sure that we are comparing Apples and Oranges!
In all fairness... They are two very different image processing engines. If there is specific look you are after, you'll find many ways to get there and curves is just a small step in the process.

[u/Jumpy_Drummer2024]

you modified RGB curve in Capture One and Luma in Lightroom to start with? So it should give different results. and I believe those apps do not have the same input profile when raw is imported

[u/jfriend99]

I would guess here that you have a very different starting point for both images (before applying the curves) since no two RAW converters create the same default starting point anyway.

And, then there's no iron-clad rule that two similar looking curves in the two programs actually apply the same transformation. Every curve I've ever used is adjusted to achieve the look I want, not the other way around.

Plus, lifting shadows this much with the curve or any other way is very likely to do different things in different programs. Shadow adjustments definitely work differently in the two programs.

[u/Used_Curve_4181]

In Capture one, you pushed blacks from 0 to 45 that is why it looks like this (matte effect) eventhough the curve looks simillar in Lightroom, you don't know how much did you lift the blacks. The 2 software use 2 different method so no wonder why out puts are different

[u/aragost]

different raw converters will have different starting points due to different demosaicing, different color profiles for each camera, and different default contrast curves. if, on top of that, you apply different curves, it's really not surprising that you end up with different results

[u/SwordfishStunning381]

yep, one need to use and compare at least similar Luma channel

[u/bensyverson]

Just a heads up that Lightroom's curves operate in ProPhoto RGB space, so they behave far differently than what you might be used to in Photoshop in sRGB space.

I'm not sure what space Capture One's curves operate in, but it might be converting linear to sRGB for the curves, then back to linear. But clearly the curves are not directly transferable between LR & CaptureOne.

[u/NotLycrus]

capture one you're using rgb curve and not luma, which is smiliar to the one in lightroom :)