Originally Posted by philmorley 
hi, thanks very much for this. I really like your stuff (just spent a good hour or so of works time looking through your portfolio - oh well
anyway will try it tonight. Is there are reason for sharpening after duplicating? just wondering as my thought would be sharpen then duplicate?
Regards
Phil
I normally sharpen before retouching. However in this case the re-sharpening does more than just USM it rectifies somewhat the offset that you have done prior to the USM. I suggest trying from 0.3 to 0.6 pixels at 180 to 300 percent per layer...
Dr. B. Kanarek
MD USM non-certified