Why use Retinex?
According to Dan Margulis (Author of the book ``The canyon conundrum and other adventures in the most powerful colorspace’’), LAB eats through fog like blow torch through butter. Here is my attempt by doing only L ,A, and B curves adjustments in the LAB tab of RawTherapee.
_DSC4138.jpg.out.pp3 (10.0 KB)
What do you think?