I've always worn specs for observing (severe astigmatism). I have never been able to tell the difference between cheap or expensive specs at the eyepiece. I remember years ago when you ordered specs, they would be at the opticians in a couple of days. Now it seems that 2 weeks is the usual. I suspect that most of the optical work is now done in china and couriered here.
Just for fun I once got a pair of prescription sunnies from one of the online stores for $40 delivered. They were as good as my $300 "aussie" ones. I also had "high quality" anti reflection coating fail at 18 months, only to find they were guaranteed for 12 months - this on a $600 pair of specs in 2000!!!
I now go for the cheapest I can get that look halfway decent.
FWIW
Gary
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