Forum: Pentax SLR Lens Discussion
01-29-2015, 06:49 AM
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If you are thinking of getting the Pentax 16-50, the Tamron 17-50 is much sharper and no fear of SDM issues. I have both the 17-50 and the 28-75 and the 17-50 is much sharper. Also I got both these lenses together for the less price as the Pentax one Thanksgiving year.
No experience with the Sigma.
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