Dirty connectors are one the major problems in fiber optics, causing high connector losses and reflectance. The Fiber Inspection feature of NSA allows users to check the fiber connectors for contaminants before testing and installation. NSA has built-in USB Video Class (UVC) drivers than can support any USB Fiber Inspection Scope or Fiber Microscope that uses the UVC driver. Below are examples of clean and dirty end faces taken with this function.