MAP Series FlexLight mFVU-3000 Dual-Objective Connector Microscope

The VIAVI MAP Series mFVU-3000 FlexLight is a dual-objective connector microscope for lab and manufacturing inspection of fiber optic connector end-faces. It is designed to shorten test times and provide feedback that helps minimize contamination during the manufacturing process, covering PC and APC connectors and ferrules from 1 to 64 fibers, including MPO and very small form factor (VSFF) multi-fiber formats.

Optics and lighting

The instrument is an infinity-corrected compound microscope with dual objectives: a 400X high-resolution magnification for detailed analysis of small defects and contaminants, and a 30X wide field of view for inspecting the entire connector end-face and surrounding areas. Switching between objectives, autofocus and panning are automated. The 10X objective uses Köhler co-axial lighting, while the 2X objective uses Köhler axial lighting with angle tunability plus oblique illumination, which helps distinguish scratches from surface contaminants and assess polish quality.

Adapters

The mFVU-3000 uses the FMU magnetic adapter series. Adapters are identified automatically, support both PC and APC connectors, are designed to clear pull-tabs and other obstructions, and are available as hybrid plates with two connectors for testing both ends of a hybrid patch-cord. A safety feature ensures bright illumination is not present when the adapter is removed.

FiberChekULTRA software

The microscope is operated with the FiberChekULTRA PC application, the successor to FiberChekPRO. It provides automated pass/fail analysis to IEC 61300-3-35, Scratch-View for faint scratches, a configurable interface, PDF, HTML and CSV reporting, SQL Server and MySQL database support, and an open REST API with JavaScript scripting for integration into production workflows.