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Neddie Seagoon wrote:
Bobby, this may or may not help, but I've been looking for a CA fixer as well. No experience with Lr4, I use Aperture. Fixing CA with Aperture is possible, but tedious and not always satisfactory. So, I downloaded demos of Lr5, Capture 1, And Dx0. Long story short, Dx0 worked best for me.
Actually, what worked best was stopping the lens down 2 stops, but that defeats the purpose of a fast lens doesn't it?
The last sentence reveals that you are talking about longitudinal CA. What software can do is desaturate the affected areas. That may reduce the apparent color fringing, but does not cure the loss of contrast and resolution. A better cure would involve complex deconvolution algorithms with an uncertain outcome. The best remedy is prevention, by using a lens with good CA control. Software cannot fix everything.