Edith Head wrote:

And if flawed as a factm what socalled "expert" reviewer does not
test for obvious flaws (manufacturing), add 1+1 and get 2, and
call the provider up saying: "I think something is wrong here" ....
AND NOT RWRITE HIS IDIOTIC REVIEW!

I think it is not unknown for the different FL eyepieces from the same
manufacturer differ in quality. And what was the obvious flaw, in this
case, that should have raised an alarm?

--
Lauri