Gamma is the middle slider
It create a non-linear adjustment to the midrange levels of an image. IF you adjust the gamma slider, then click 'Edit these settings as curves', then you can see what it looks like on the curves dialog.
Why is it called Gamma? I don't know.
https://en.wikipedia.org/wiki/Gamma_correction
It create a non-linear adjustment to the midrange levels of an image. IF you adjust the gamma slider, then click 'Edit these settings as curves', then you can see what it looks like on the curves dialog.
Why is it called Gamma? I don't know.
https://en.wikipedia.org/wiki/Gamma_correction