The Fluke Networks FI500 FiberInspector allows users to inspect all types of installed fiber. ber optic endfaces are the major cause of problems in singlemode and multimode fiber optic systems. This product is. Page 1 FiberInspector Micro ™ Video Microscope Users Manual The FI-500 FiberInspector Micro video microscope is a hand-held probe and display used to inspect fiber optic endfaces on patch cord and bulkhead connectors. WSafety Information Warning To avoid possible fire, electric shock, personal. The micro fiber inspection scope camera removes the hassle associated with inspecting fiber end-faces, especially in low light and high cable density situations.