So, like some others, I felt the rear camera had some focusing issues. Vehicles and road signs seemed to be clear only when closer than I expected. It was as if the camera was set to focus on nearer objects, even as close as the plastic trim around the rear window.
Vantrue were kind enough to send a replacement which appears to be a bit better
I noticed the rear plastic trim is no longer in focus an it seems the following car's number plates are possibly readable from a little further away. Obviously this is not a 4K camera on the rear so what you see is, I guess, as good as you can expect from the 1080P sensor in it and the compression the software uses.
Both videos have HDR off.