Forum: Sold Items
11-05-2018, 06:40 AM
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The only firmware updates related to this lens are for Sigma,Nikon and Canon mounts only - are they are only minor compatibility fixes. Nothing for Pentax.
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Forum: Sold Items
11-05-2018, 06:46 AM
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I acquired one 2 weeks ago and have had ZERO AF problems. Of course I use center point AF but with this lens and its amazing sharpness and micro contrast any issue would be readily apparent and I have had none.
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