I can't say I've delved that far into it yet as it's only just gone up 2 days ago.
What I can say is I have
@ljw2k access to mine last night and he was impressed with mine and agreed it focuses correctly which his didnt.
I'm still struggling to brief that dahua would release cameras that have focus issues. I'm sure there will be a setting somewhere.
Please don't take it as me calling you stupid lol I'm not. But there must be something.
The image quality on mine is streets ahead of the huisun and I haven't touched it since I put it up apart from initially configuring the image settings.
I've been tinkering with the tracking to see how to get it to work best for me but other than that it's totally been left