Ken Durling wrote:
Mike -
You may have seen this already,but here's another source of
comparison:
http://www.cmpsolv.com/cgi-bin/output2.cgi
There are only 18 inputs for the 20-40 so far, so statistically it's
not hugely significant, but you might find it intertesting.
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Ken,
That is a very good site except I trust very few people when it comes to
tests.
People always justify what they own by saying how good it is when in fact it
may
only be mediocre. Photodo uses high-end MTF testing equipment and Pop photo
uses a very sophisticated method of testing. Both tests agree the 20-40mm
is
very very sharp. It bests the Nikon 20-35F2.8 (which stinks wide open), and
the Canon EF20-35mm and newer (less sharp too) 17-35mm F2.8. The only
downside
is that AF is slow. Barrel and pincushion is only slightly more than the
Nikon
but it is better than the Canon and Tokina F3.5-4.5 lenses.
Peter K
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