07-24-2011, 08:11 PM
Well, the obvious first:
The f-2.8-image is better than the f-1.8-image ... this is something very common ...
use a lens wide open, and use it stopped down a bit, and image quality increase.
What I don't like, is (besides reduced contrast which would be ok) the way it behaves
on the contrasty white edge ... this seems to me as if a cheap UV filter has been on the
lens when taking this image. I mean ... it is clear that this shot is for test purposes ... since
there is nothing in this image requiring f/1.8 ... nevertheless, one wouldn't expect this in the
image center.
The f-2.8-image is better than the f-1.8-image ... this is something very common ...
use a lens wide open, and use it stopped down a bit, and image quality increase.
What I don't like, is (besides reduced contrast which would be ok) the way it behaves
on the contrasty white edge ... this seems to me as if a cheap UV filter has been on the
lens when taking this image. I mean ... it is clear that this shot is for test purposes ... since
there is nothing in this image requiring f/1.8 ... nevertheless, one wouldn't expect this in the
image center.