questions about sigma lenses

Started Dec 12, 2012 | Questions thread
Deleted1929
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Re: questions about sigma lenses
In reply to Wael Hussain, Dec 12, 2012

You might want to check more into that ultra-cheap 70-200 f2.8, as I suspect it must either be manual or defective.  Note that some old Sigma lenses require re-chipping to function on modern cameras, and that could be an issue here also.

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StephenG

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