Good in the center bad in the border at f4 or less

Started Jan 22, 2012 | User reviews thread
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Jermoso New Member • Posts: 4
Good in the center bad in the border at f4 or less

Resolution: Very, very good in the center (1/3) , but very bad iin rest 2/3 ( f 4 or less); Excellent at f 5,6 or more, very sharp (print at 40 cm x 60 cm). Color and contrast, superb. In 16 mm high distorsion. Hermetic, no problem with water or dust. Perfect to nature and mountain.
Camera K20D.

Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM
Zoom lens • Pentax KAF2 • 21650
Announced: Feb 21, 2007
Jermoso's score
3.5
Average community score
3.0
Pentax K20D
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