Sally Wiener Grotta and Daniel Grotta

While most of us produce an occasional flurry of snapshot-sized or picture-frameable prints, some photographers are in the business of generating dozens, scores, or hundreds of prints at one go. Part of the package—and fun—of event photography (weddings, bar mitzvahs, trade shows, business meetings, school pageants, costume parties, and so on) is passing out or selling just-shot...