18-200 VR Distortion?

Started Nov 19, 2007 | Discussions thread
Rick L Contributing Member • Posts: 907
Re: 18-200 VR Distortion?

I would second what's been said above, with this added issue. The 18-200 is particularly troublesome in that the distortion (if you look closely) is not as simple as most lenses at the wide end (e.g., getting more curve toward the edges in a continuous way), but is actually kind of "wavey". The only software that I know that really can take care of this is one modeled to the particular camera/lens combination, i.e. DXO. That's what I use, and it really improves the quality of this lens, including uneven sharpness issues as well that can't be addressed with simple sharpening filters. But it is another chunk of change, and many people hate the interface (maybe because it's different than they are used to, although I've gotten used to it and like it).

Rick L

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