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Opticallimits > Forums > Just Talk > What level of de-centering is acceptable in an 18-250 lens?
Opticallimits > Forums > Just Talk > What level of de-centering is acceptable in an 18-250 lens?

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What level of de-centering is acceptable in an 18-250 lens?
boren Offline
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#1
03-06-2011, 12:49 PM
I'm considering buying a Tamron 18-250 lens (probably second hand), and as far as I understand most of these lenses suffer from some level of de-centering. For sure I won't purchase a copy that isn't totally free of any signs of de-centering at f/11, but is it reasonable to expect this at f/8.0? If it isn't a pipe dream then this is the benchmark I'm going to set for myself when testing the lens. If it isn't reasonable to expect this, then I may just give up the whole thing.



Thanks!
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What level of de-centering is acceptable in an 18-250 lens? - by boren - 03-06-2011, 12:49 PM

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