I know this is a quite peculiar idea, but i roundtrip to Photoshop a lot just for this..
we all know white balance affects how contrast and luminance of different image areas are interpreted by the software, and at times, especially in low or mixed light, I find that the 'color wise correct' white balance is often different to the 'luminance wise best' one..
i hope this doesn't sound too tortuous, and i really don't know if it would be hard to implement, but it would definitely help a lot with image quality..
This sounds like a fascinating idea. And, it wouldn't surprise me if a lot of Photoshop users know exactly what you mean. I however only have a vague idea. Would you mind elaborating? - thanks...
I usually do this for low light portraits or mixed light situation, but it really works for everything, and is quite similar to the "tone" part of topaz detail plugin, for example..
we always choose WB to have a pleasant or correct color rendition, right?
but if we are in black and white, different WB settings affect different areas of the image, lightwise..
and i find out that there is always a sweet spot, depending on the lighting, where noise is better and shadows are better distributed, and and that usually doesn't match to the color WB sweet spot..
this is the original auto wb image
and its bw equivalent
here wb is tweaked to better balance shadows and contrast
but you can see colors are way off..
to give a better idea..
two wbs, obtained with layers color blend mode of original onto bw tweaked
i realize at this size the difference may look small, but it really changes the balance of light, especially with low light or underexposed or mixed light shots..
hope now it's more clear..
Thank you - much clearer to me now.
And yes, the second (blended) version of the white balanced image looks better.
I'm sure Adobe would probably know what to do with this in Lightroom, but if you don't mind indulging me - how would you see this looking in Lightroom UI-wise, if you were designing it?
I think the best position for it would be right under the classic WB slider, or in the camera calibration panel, don't know if it would be easy or not to implement, but i think it would add a lot to image quality, as would make better use of luminance information separating it from color info..