What is the recommended vertical illuminance for Prisual PTZ cameras?

Vertical FC is provided by the room...not the cam. There is no spec for min Vertical FC.

However we do have a low min lux spec as well as built-in dynamic range control and noise suppression. The end result is a good image in low and mixed light.

The old VTC spec for lighting was shoot for 55 fc with a 3:2 contrast with subject background. The Prisual Camera is far more forgiving than that. We have a .5 lux lighting requirement to give us enough to produce a 1920x1080p image on our CMOS sensor.