Forum: Pentax SLR Lens Discussion
01-06-2016, 07:37 AM
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My copy on the K-3 required no focus correction and is quick focusing on PDAF. Corners are soft wide open at 20mm but sharp at F5.6 and above. At 30-40mm there is no softness at edges wide open (F > 2.8). Color and contrast are excellent on auto WB.
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