Barrel distortion or blur units in 18-200 mm lens?

Started Apr 25, 2012 | Discussions thread
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Juggernaut122
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Barrel distortion or blur units in 18-200 mm lens?
Apr 25, 2012

Hi,

I am considering buying the 18-200 lens for the convenience (I know it is a compromise). Nikon 18-200mm f/3.5-5.6G IF-ED AF-S DX VR II Nikkor

I see on the review that there is a significant amount of "blur units" described especially when wide open at 24-35 mm - otherwise the lens seems to do ok.
http://www.slrgear.com/reviews/showproduct.php/product/1281/cat/13

My question is this: Will the in-camera processor (D5100) fix the blur units to enhance the sharpness if I shoot in jpeg mode, or will this defect always adversely affect the images taken under those circumstances?
Does this cause barrel distortion or is that something completely different?

Thanks!
Juggernaut

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