Sharpening with High Pass Filter

Hi, hoping someone can clear up an area of confusion for me - when sharpening photo's which is the better process?. I have been using Elements
2.0 Unsharp mask & setting the threshold to around 1, radius to approx 0.7,
& amount variable depending on the subject matter. I have recently been on a short course for digital photography which recommended using (on a background copy layer) Filter/Other/High pass - set to radius of 10, then going to the layer copy/change from Normal to hard light; then adjusting the Opacity to whatever suits (average around 36%).

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Herb Brown wrote:

Hi, hoping someone can clear up an area of confusion for me - when sharpening photo's which is the better process?. I have been using Elements
2.0 Unsharp mask & setting the threshold to around 1, radius to approx 0.7,
& amount variable depending on the subject matter. I have recently been on a short course for digital photography which recommended using (on a background copy layer) Filter/Other/High pass - set to radius of 10, then going to the layer copy/change from Normal to hard light; then adjusting the Opacity to whatever suits (average around 36%).

This is deja vu all over again. "Fred Scuttle" asked the same thing in almost exactlythe same words. These are deep waters indeed!