> What you describe above are two independent problems. The purple or green > along very high contrast borders is known as "bloom". Its primarily a > function of the camera sensor response to severe contrast junctions and > it is often difficult remedy as it is generally fully saturated in one or > two colour channels.
> CA is a function of the lens and can generally be minimized to the point > that it's no longer visible using RAW tools such as PS CS RAW or in a RGB > image format using PanoTools or similar with generally reasonable > results. So, what are the symptoms of the latter, then, Rob? Fred
