So here's the NIGHT comparison of Firmware 0827 & 1022 on the T54PRO-ZE at zoom level 550 - that scale goes from 0-2426.
First, this is NOT A "FAIR" SITUATION for the camera ... since the settings are 80msec shutter, 100 iris, 65 gain, 50 3D NR, and 50 2DNR. So clearly the light level is waayyy...