dpurdy said:Technical quality is measurable, aesthetic quality is in the eye of the beholder.
It's certainly true that different people might like different things, but that isn't the same as saying aesthetic quality (using "quality" in the "bad-mediocre-better-best" sense) is relative to the beholder.
So, for instance, say I pick an acknowledged "master" photographer - Adams or Weston or Cartier-Bresson or Brandt, for instance.
Then I show a wide selection of their photographs to a friend, and show the same friend a wide selection of my own photographs, and ask her to say which she prefers, which she thinks is better ... and she, glory be, says she prefers my photographs and that they are better than those dull rocks/ugly vegetables/stupid people in the street/horrid grainy tits ...
Now, we've established that she likes my pictures better - she has an aesthetic preference - but we certainly haven't established that I am a better photographer than Ansel or Edward or Henri or Bill ...