On Dec 15, 2009, at 5:19 AM, Miserere wrote:
Larry,
I see nothing wrong with your test pics. Why is it exactly that you
want to return the lens or send it to Sigma?
Because the manual focus on it feels horrible. It's "lumpy" getting
stiff with every rotation of the auto focus drive screw, then loose on
the other half. This also sort of makes it tough to focus accurately
if the focus point is where it doesn't want to turn.
If the lens were bad optically, I'd just return it. It's too much to
ask that all lenses feel like a supertak 50, but this one is beyond
reasonable.
BTW, I really like the close-focus feature of my Sigma 24mm. I don't
know why most non-macro Pentax lenses don't focus closer than they do;
I like to get in really close with my wide angles.
The funny thing is that I wanted a longer macro lens, not a shorter one.
Now I feel like eating some mushrooms for lunch... :-)
Cheers,
--M.
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2009/12/15 Larry Colen <[email protected]>:
I've been putting the Sigma 20/1.8 through its paces today. I need
to
decide whether to return it, exchange it at 47st, or send it to
Sigma for
repair.
Optically, I have no complaints. There are undoubtably sharper
lenses of
about this length, but there aren't many faster, at least not at a
price I
can afford.
In theory, I could exchange it at 47st and have a replacement
within a week,
but while it may be better, I suspect that it won't feel as good as
I'd
like. I'm hoping that if I send it to sigma, they'll give it a
little extra
attention and I'll get something back at the other end of the
spectrum when
it comes to focus feel.
I'm afraid that rather than doing the things I ought to, I kept using
"testing the lens" as an excuse to spend "a few minutes" taking
some test
photos. Here are some quick and dirty sets, minimal processing,
everything
hand held, most at ISO 100 to get an idea of the performance of the
Sigma.
I'm definitely satisfied with it. As a gallery, I should definitely
toss the
shots that aren't as good, but it's a test of the lens, not the
photographer:
On my way back from mailing one of the packages, I took a short
drive down
Lockhart Gulch road because I keep noticing scenic little bits
there. I
uploaded those shots to flickr at full resolution for the pixel
peepers:
http://www.flickriver.com/photos/ellarsee/sets/72157622876841535/
There are some mushrooms growing on a stump in my front yard and
did a side
by side between the sigma and my dfa 50 as macros:
Sigma
http://www.flickriver.com/photos/ellarsee/sets/72157622877880533/
Pentax
http://www.flickriver.com/photos/ellarsee/sets/72157623002486404/
I had to run to the lumber yard, took a few shots of the old
sawdust burner
and decided to see if I could get any shots at Roaring Camp
Railroad next
door:
http://www.flickriver.com/photos/ellarsee/sets/72157623002558356/
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