Minimum detection object
                                        Φ0.05
                                     
                                        Detection distance ff-403
                                        High speed mode 80
Standard mode 300
Long distance mode 500
                                     
                                        classification
                                        FFT series
                                     
                                        Detection distance ff-301
                                        High speed mode 80
Standard mode 300
Long distance mode 500
                                     
                                        Minimum bending radius (fiber length)
                                        R10(1M)