I'm no expert however I've looked through mass production mirrors and better ones and I can see a difference (on planets). I've attached an 8"'scope comparison that shows what I've seen, apologies to the owner whoever he is I forget where I found this. I have an Astro Optical 12" here with a Strehl of .954 so IM hoping for good things from that
edit , that attachment shows up very poorly , Ill have to look for the original
