Here is a couple of screen shots
Z5
Z6
I think that is right zoom levels.
One more view.
So far no issues, I have several campaign games going on (Long CG USMC, 20 game German 40-45, 10 game German SS West Front, Long CG German East Front 41-45, and UK 20 game 43-45). No issues so far, all is well and good.