This telescope supplier, Teleskop Spezialisten in Germany says:
""All telescopes are checked by us and adjusted optimized ,before getting our customers.
Just this optimization and adjustment is very important to us.
As with a well-tuned musical instrument, the quality of the result is critically dependent on the optimal setting. ""
and provide a Star test result with the instrument. There are over 200 test results on their Webpage.....
https://www.teleskop-spezialisten.de...f261b177297f97