a re shade preset that makes dcs look wonderful and has automatic adaptive brightness
install reshade (with all the shader options selected for every pack then place the .ini files into DCSworld root folder bin (where ever you install dcs\DCSWorld\bin)
open reshade and select the preset set dcs gamma to 1.8-2.5 depending on personal preference
i use gamma 1.8
all the screen shots are reshade on the left and normal on the right