All I can say you say is that with the following nvidia parameters + rF2 parameters with graphics to the max (Post process ultra), the graphics are really beautiful on screen as on VR (improved) :
NVIDIA CONTROL PANEL
1/ Texture filtering - quality :
High quality
2/ Anisotrope filtering (prefer to set up in rF2) :
X16
3/ Texture filtering - trilinear optimisation :
off (deactivate)
4/ Texture filtering - Anisotropic sample optimisation :
off (deactivate)