 With that simple-to-grasp technique it was possible to capture every shot at a wedding reception with stunning 3D and perfectly controlled ratios and exposure as instinctively as focusing the camera.Devising similar easy to learn "1-2-3" techniques for posing people and finding the most flattering facial angles allowed Mr. Zucker to effectively teach complex topics like lighting and posing at large venues like a PPofA National convention to an audience of hundreds in a way they could later go home and duplicate successfully.That made him very popular as a speaker and instructor but also opened him up to criticism by some as having a rigid, non-creative, rule-based "paint by numbers" or "cookie-cutter" approach.