JB> I'm now looking at a Sigma f2.8/18-50mm to replace the Tokina 28-70mm, which
JB> has a focusing problem and is not really wide enough.
One finally arrived and I did a quick evaluation in the shop, shooting
from their balcony (overviewing a big park, convenient for lens
testing <g>).
So far, it's interesting. The 50mm performance is quite good, even
wide open. The 18mm performance is worse with vignetting and coma. At
f/4, it's overall good. I got some mixed feelings about it, so I will
do a more comprehensive post in few days.
Just remember that sample variation might exist.
Good light!
fra
