Wide Angle : 9-18 vs 10-20 ?

[ahyen]

hi guys...

first off, not sure whether this is the right place to ask this...

anyway, here goes...

am looking for a ultra-wide for my GF1 ..
stumble upon these 2 lens..

anyone can advice me on this ?

for me, mainly take scenic and portraits .. and some time, buildings..
so far, i'm more incline towards 9-18 ..

what's ur take on this ?
thanks ah !
:sweat:

 

[wilb87]

Have you compared the IQ of the two lens, reviews will help you as well. I used my 20mm for portraiture but the focal length is too short, a 35 or 50mm will be a better lens for portraiture.
UWA may also not be a good lens compared to standard lens for portraiture.