Measure the flange distance of a PL-mount camera with the FDC Light for PL-Mount from DENZ. This precision tool accurately measures the flange distance on a PL-mount camera and features an on/off button. The FDC Light is calibrated and configured using the separately available FDC Master calibration tool. A 3V battery, port protection cap, USB cable, power supply (for mains power), and transport box are all included with the unit.