Magic Lantern Guides Sony a500/a550 Author:Peter K. Burian The Magic Lantern Guide for Sony A500/A550 by Peter K. Burian offers a title-able 3-inch LCD that displays fastest possible autofocus in Live View mode due to phase detection AF system: a Sony exclusive. Peter K. Burian is a stock photographer who is represented by three agencies and has written more than a dozen Magic Lantern Guide.