An EV exposure adjustment, [-3.0f, 3.0f].
Namespace: Visualiser.Capture
ActionScript.SetProperty(Visualiser.Capture.ExposureAdjustment,[value])
http://[ip]:4430/titan/get/Visualiser/Capture/ExposureAdjustment
POST /titan/set/Visualiser/Capture/ExposureAdjustment