Quoted from Rarehero:
That's where this discussion always gets weird. The people who say "Dimples are normal" are half right...they are normal...but, to what extent? Some games it isn't that noticeable an those will smooth out over time. Sometimes though, new Sterns can look like wavy cratered mud. Those will never smooth out...that's just how those playfields will look. I don't know if it's soft wood or a certain type of clearcoat, but I know the difference between a "bad" dimpled playfield and a "normal" dimpled playfield. When someone posts a picture of a bad one, accept that they have a bad one...don't tell them it's just normal. These games are too expensive to accept poor playfields as normal.