Carson optical soldermag solder station magnifier w/ 4.5x spot lens the cp-50 soldermag from the carson optical pro series is a solder station magnifier. It is a 1.75x power hands free magnifier with a 4.5x spot lens. It has a built-in soldering iron holder and solder spool dispenser. The soldermag boasts 16 super bright led’s. Plug into a standard outlet using the included ac/dc adapter or 4 aa batteries (not included).