I’m once again headed to Pasadena, California, to attend the fifth annual Pacific Astronomy and Telescope Show (PATS). This manufacturers show, to be held Saturday and Sunday, September 22–23, at the Pasadena Convention Center, exists on three levels. First, it gives lots of visitors the chance to look at and discuss the latest astronomy gear. The newest telescopes, mounts, cameras, eyepieces, and accessories all will be on display — and for sale. And each booth will have up to...