READ THIS
"SHAME ON YOU BOTH JOHN AND BARRY AT ORION OPTICS UK. It does not come as a surprise when eventually learned from your other customers that you have been legally sued in courts several times over the years for supplying exceptionally inferior optics and mechanical assemblies along with false claims including non-existent interferometer test reports and so on. An absolute disgrace."
https://myastroshop.com.au/ssmassey/...-10-review.htm