Wich wideangel zoom is best for corner sharpness?

Started Apr 2, 2013 | Discussions thread
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kriztian Contributing Member • Posts: 855
Wich wideangel zoom is best for corner sharpness?

I wonder wich one of theese is the best from corner sharpness Point of view at the wide end and max to medium aperature. 17-70 pentax 16-50 pentax 16-45 pentax or 12-24 pentax or is it a sifgma 17-50 or maybe even tamron? Lets exclude all lenses with low  overall perfomance regarding IQ Cheers

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kriztian

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