dpullum wrote:
Sunfish, so very crisp and clear. the bird is frozen is space and time!! What speed etc. did you use?
The purple fringe curse is CA, chromatic-aberration. The source is explained here:
http://mansurovs.com/what-is-chromatic-aberration
There are some built in actions in edit programs to minimize this effect. Getting rid of CA is explained here.
http://digital-photography-school.com/how-to-fix-chromic-aberration-in-photoshop
Forgot to thank you for the chromatic aberration edit programs. I don't use that lens very much anymore because of that problem.