Originally Posted by
Diane Miller
When you say "The sharpening was done on Lightroom before exporting for editing" I'm not sure exactly what you mean. Some careful sharpening can be done on a master file, but it's easy to go too far. As an image is re-sized during export another round of sharpening will occur to make up for softness in the re-sampling and it can bring out artifacts if the master was over-sharpened. Sharpening should generally be done on a re-sized JPEG after export, but not always necessary there.