| | Thru-beam type | Vacuum-resistant | M4 | 30 mm | No | Top-view | dia. 1.2 mm | 1 m | R18 mm | Not available | Fiber length change | Available | FV-LE1, FV-SV1, FV-SV2 | Not available | Vacuum-resistant | 300 degrees | -30 degrees | 270 mm 10.630 in (FX-500 series) | 1,000 mm 39.370 in (FX-500 series) | 590 mm 23.228 in (FX-500 series) | 470 mm 18.504 in (FX-500 series) | 160 mm 6.299 in (FX-500 series) | 55 mm 2.165 in (FX-500 series) |
| | Convergent Reflective type | Glass substrate detection | | W19 x H5 x D27 mm | No | Top-view | | 3 m | R18 mm | Not available | Fiber length change | Not available | | Not available | Vacuum-resistant | 300 degrees | -30 degrees | 0 to 8 mm 0 to 0.315 in (FX-500 series) | 0 to 18 mm 0 to 0.709 in (FX-500 series) | 0 to 12 mm 0 to 0.472 in (FX-500 series) | 0 to 10 mm 0 to 0.394 in (FX-500 series) | 0 to 5.5 mm 0.217 in (FX-500 series) | 1.5 to 3 mm 0.059 to 0.118 in (FX-500 series) |
| | Reflective type | Flat type | | W9.5 x H5.2 x D15 mm | No | Top-view | | 1 m | R18 mm | Not available | Fiber length change | Not available | | Not available | Vacuum-resistant | 300 degrees | -30 degrees | 20 to 200 mm 0.787 to 7.874 in (FX-500 series) | 5 to 500 mm 0.197 to 19.685 in (FX-500 series) | 10 to 340 mm 0.394 to 13.386 in (FX-500 series) | 15 to 270 mm 0.591 to 10.630 in (FX-500 series) | 20 to 120 mm 0.787 to 4.724 in (FX-500 series) | 20 to 45 mm 0.787 to 1.772 in (FX-500 series) |
