Where to find it:
Add Adjustment Layer / Extension Pack / Color Correction /

NodeGraph / Right Mouse Click / Nodes / Filter / Extension Pack / Color Correction /
On this page
The Exposure Node allows you to adjust the Exposure of your Input.
A handy FStop Chart is included in case you are more used to setting Exposure in Stops.

•Input
Supplies the map you want to adjust the exposure on
•Exposure
The exposure value. A value of 1 will not change the Input.
If this value is mapped the corresponding Node Property Slider will no longer be evaluated
•Mask
Optional Mask to mask out the effect
MAIN TAB
F STOPS TAB