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Unreal Engine C++ API Reference > Runtime > Engine > Engine > FPostProcessSettings
Syntax
UPROPERTY (Interp, BlueprintReadWrite, Category="Lens|Exposure", AdvancedDisplay,
Meta=(ClampMin="0.0", ClampMax="100.0", editcondition="bOverride_AutoExposureLowPercent", DisplayName="Low Percent"))
float AutoExposureLowPercent
Remarks
The eye adaptation will adapt to a value extracted from the luminance histogram of the scene color. The value is defined as having x percent below this brightness. Higher values give bright spots on the screen more priority but can lead to less stable results. Lower values give the medium and darker values more priority but might cause burn out of bright spots. >0, <100, good values are in the range 70 .. 80