Forum: Pentax SLR Lens Discussion
07-20-2017, 12:13 PM
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Hi,
I'd go with 70-200: its AF a little bit faster than 50-135.
50-135 is, obviously, smaller.
The IQ from both lenses is great.
Another point for K1+70-200 combo is that high ISO from K1 is better than from K3.
Good luck with whatever you select.
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