Originally posted by bdery I'd say it'S not meant to be compared to the 31.
The question was asked, so let me answer it this way:
Optyczne/Lenstip did tests under comparable circumstances
(same camera, same setup, same analysis software)
of both the FA 31 and the DA 20-40.
At f/8, and 30mm on the zoom,
the DA 20-40 achieved 90% of the resolving power of the FA 31.
That's just a lab test.
As far as real use goes, that varies from user to user.
In my case, the DA 20 - 40 is my most-used lens.
OTOH, I must say (at risk of banning from the forum ?
)
that I've never felt the "Princess" calling my name.
I don't like AF without Quick-Shift,
and I don't like the idea of those rabbit-ears on APS-C.
The closest lens I have is a ZK 35/2 Distagon,
and I'm perfectly happy with that. YMMV.