I was having dinner last week with my good friend Martha, who is a very talented photographer, when she suggested that I do a post on sharpening in Lightroom. Yes, this is what instructors and photographers talk about at dinner, even after the wine is poured! Coincidentally, in the past week, two other readers have also asked for posts on how to sharpen in Lightroom.
Sharpening is intended to make edges in your photo look crisp. It can’t bring out-of-focus images into focus, but if your subject is in fact in focus, it can make it look significantly sharper. It does this by adding contrast to edges — that is, it brightens the bright side of an edge, and darkens the dark side. In essence it adds a very narrow shadow along an edge — and to our eye, shadows make things look more three dimensional.