Fluke Networks FT120 and FT140 Fiber Viewers are handheld microscopes used to inspect the ends of fiber optic connectors. A rugged, portable and ergonomic houses precision optics with easy manual focus, a infrared filter, and bright coaxial illumination with long life Light Emitting Diode (LED.)  The Fiber Viewers ensure your termination is smooth, clean and ready for optical transmission.  The Fluke Networks FT120 200x Fiber Viewer is used to inspect multimode fiber end-faces. For singlemode installation, Fluke Networks offers the FT140 Fiber Viewer with 400X magnification. Both Fiber Viewers contain a special safety filter to protect your eyes from harmful infrared rays.