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08-26-2019, 02:52 AM   #16
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QuoteOriginally posted by Éire69 Quote
A little decentering can be annoying but this doesn't mean the lens cannot be used. But... if what I see from the pictures is a decentered group, then it's way worse than those decentered lenses I encountered and used. But this does mean that it probably can be easily realigned, because the group simply doesn't sit where it should.
So a manual repair could maybe be performed? Still not convinced I want to try that out

08-26-2019, 10:46 PM   #17
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QuoteOriginally posted by telum Quote
So a manual repair could maybe be performed? Still not convinced I want to try that out
That $80 will look mighty good in your hand versus an $80 pile of lens parts and lost pins and springs.....and lotsa cussin !
I still say...…..RUN !
08-27-2019, 07:43 PM   #18
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QuoteOriginally posted by telum Quote
So a manual repair could maybe be performed? Still not convinced I want to try that out
Dunno... I checked mine and it doesn't appear to have anything weird wrt the internal groups like the one you showed. Afterwards I had a look at a review on ephotozine, where their sample in a frontal picture seems to have a decentered retaining ring just like the sample in question... Their test was good, though, so maybe what I saw was an optical effect due to the lens not exactly frontal to the observer?
Well, if you don't feel good at spending 80 bucks on a potentially defective lens, who am I to disagree?
The only way to see if the quality is good enough or not - for you - is to check the actual pictures taken...
BTW, the 12-24 is quite sharp all around but only when stopped down. and shows almost always an annoying amount of chromatic aberrations off center... (easily corrected, but they're there nonetheless).

G.
08-29-2019, 01:09 AM   #19
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I asked for sample pictures more or less the same time I created the thread, but never received any. Not it is gone, so the decision was taken on my behalf, but might be for the best - will go hunting for a Sigma 10-20mm instead :-)

Thanks again for all the replies, much appreciated!

09-20-2019, 03:13 AM   #20
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QuoteOriginally posted by telum Quote
I asked for sample pictures more or less the same time I created the thread, but never received any. Not it is gone, so the decision was taken on my behalf, but might be for the best - will go hunting for a Sigma 10-20mm instead :-)

Thanks again for all the replies, much appreciated!
If you can find the Sigma 10-20/3.5 it would be better.
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