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  • $\begingroup$ As far I know, (and same as what the docs say) invert simply creates a negative (opposite) image. $\endgroup$
    – Timaroberts ♦
    Commented Dec 4, 2020 at 6:02
  • $\begingroup$ Of course, that's what you would expect. But does this look like the opposite of this? $\endgroup$
    – fmotion1
    Commented Dec 4, 2020 at 6:17
  • $\begingroup$ You can also use a color ramp after invert to get more detail for maps that don't have much, not every image is going to have the same details. Blender is not photoshop and does deal with imagery differently. $\endgroup$
    – Timaroberts ♦
    Commented Dec 4, 2020 at 6:24
  • $\begingroup$ @Timaroberts I get that they are different applications. I'm not expecting Blender to be Photoshop. I'm always trying to learn how to use Blender more effectively. In that aim, understanding what is happening under the hood is always a good thing. And yes, I often use a color ramp after inverting to bring detail back. But it makes me wonder if crushing the values like that is actually the best choice. $\endgroup$
    – fmotion1
    Commented Dec 4, 2020 at 6:49
  • $\begingroup$ This is due to color management (see in the render properties) and more globally to the shader and ways lights are used in the rendering. $\endgroup$
    – lemon
    Commented Dec 4, 2020 at 7:25