Here is my sample with the Z12E at 175 feet with a vehicle moving 45mph with no supplemental IR, but this was an earlier production run of the camera:
View attachment 142119
My older Z12 gain is 30-30, but the newer Z12 is 80-80. The newer Z12s use a different chipset than the previous ones and the settings on my recent one I got are completely different from my older 5231-Z12 or neighbors 5241-Z12 settings (that are using my identical 5231 settings). So the baseline settings you may see referenced on the site are different with the newest batch.
This is my settings for the newer version Z12
View attachment 142123
I think the more important number is the build date rather than firmware - I believe there are differences in the hardware/chipset between an older 5241-Z12 and a newer 5241-Z12 - probably a result of vendor changes. My newer one has a build date of October 2020. My older 5241-Z12 had a build date of October 2019.