Non-destructive edits are edits that don’t destroy your original picture file. They keep you from having to take care of two separate versions of a picture—one edited, the other not. In short, they make editing work with large collections faster and easier to manage overall.

Practically every photo is vignetted at least a little. Sometimes you want this, other times you don’t. But either way it’s not a curse, because there are tools for suppressing vignetting—or even adding it. Do you know how and when to use them?