Quote Originally Posted by calun View Post

1. Lens creep - as I understand this is very annoying?
2. Picture quality - I've read that the Tamron is VERY soft around the edges and at 6,3 they don't let in a lot of light?

Please try to guide me and help me make an informed dissision - would like to hear from owners of these lenses as well.....

Thanks a lot.

Carsten
  1. Yes, very.
  2. Yes it is soft on the long end, wide open and it has a very small aperture at 6.3


btw, the 270mm VC is not a Sony mount lens. The only option there is the 18-250mm.