Even the Scenics Sharpening in the Presets pane only addsAmount 40%Radius 0.8Detail 35The key is to use the Masking slide which at higher values masks the large single tone areas in your image such as the sky or the sea, while still sharpening high contrast edges contained in the image.There is an article about Capture Sharpening in LR it in the October issue of Outdoor Photographer, there is also