There are
several lens tests sites and reviewers available in internet. If you are
interested on those lenses mentioned on earlier pages and want to know more
about their image quality and other aspects, just make a search...
Some
thought s about those sites and test anyway:
1. Do not
overestimate those results. Most of the modern lenses are at least decent
IQ-wise, giving sharp enough results. The IQ varies with some sample
variations, with the camera used for testing and the method used. Most testers
use flat test boards as a subject - and get compareable results from that
setting. That's ok, and very right.
However,
just a few of us use walls or flat boards as a subject for our photos. The
world is 3-dimensional... If the focus plane of the lens has some curvature, it
shows as softness in the testshots, and in real world photos it may not show at
all. Or give a pleasing soft effect in the corners. Or not.
2. Compare
different sites and results. The testers and writers are fortunately human beings...
with their likes and dislikes.
3. Search
for user comments and reviews. Don't underestimate them. Maybe some sample
shots? If the results are something you like and are searching for, maybe you
have found what you were looking for. On the comment side, the negative
comments seem to rise easier than the positive ones, and usually from people
that have never used the lens they are bashing. And user reviews are usually
very positive... Read carefully.
Also, if
the review/comment is about a lens which is wider or longer for what the writer
is used to, there may also be a natural learning curve to go... Long teles are
long teles and, as that, more difficult to use than "normal lenghts",
never mind how good the IS or OIS or whatever shake reduction system is.
Focusing is more difficult, finding subject is more difficult... Same goes with
the ultra wides; they also need some learning before you know how to use them.
4. There
are also pages for older lenses - they can give a hint what can be done with so
called legacy lenses. Those lenses can give a really interesting view for
photography. They might not be as sharp or contrasty as the new ones, but there
are some interesting options.
PS. Now
there are even AF-adapters for Canon-lenses, and as far as the testers are
honest, they seem to work fine... Means even more options.
Links for some
lens test sites:
DPreview lens tests
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Some
interesting Blogs
For older
lenses:
BRANDY MORECASTLE http://brandymorecastle.org/projects/fourthirds/om-on-four-thirds.html
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What mount? http://rick_oleson.tripod.com/index-99.html
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And of
course, camera and lens manufacturers and other official sites
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