Scale is 0.5 in default preset, thats why I find it weird. I guess with 0.3 it wouldn't lag but I doubt thats gonna look pretty.
Gonna find the place with fps drop and test some values.

Folks, do you need special high precision rendering mode when game entirely forced to have hdr only and no color banding artifacts occur? Performance hit is heavy, but okay for 256+ bit videocards. I'm finding performance fine, but I got people with 980ti's complaining about performance, taking AO ...