Now it doesn't really seem credible that even experts can really differentiate between wines of different prices without seeing the label, but it isn't only the world of grape where this happens.
Take a look at random astrophotos online and see if you could tell which instrument took them, and on which mount!
Everyone knows a Tak is better than a Meade, right? That a Paramount is better than a Skywatcher. But if you see several photos of some particular deep sky object you won't be able to tell which was taken with the more expensive equipment.
If the stars are round, with no trailing the EQ6 will look like the Paramount