r.Refraction.Blur.MaxExposedLuminance
VarUnreal Engine Var console variable.
rRefractionBlurMaxExposedLuminance
Description
Clamp scene pre-exposed luminance to this maximum value. It helps to reduce bright specular highlight flickering, even when r.Refraction.Blur.TemporalAA=1.
Usage
r.Refraction.Blur.MaxExposedLuminance [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

