>I think I see what you're asking about. Unfortunately, the >images are kind of hard to diagnose due to the content. If >you have some images that have constant color and exposure >across the frame, that would help a lot.
Probably me being ignorant, but I would have thought that constant colour and exposure would not reveal anything. I think what would be needed is some image with texture and detail in it otherwise any blurring would not be easy to distinguish.