Single Strand Bundle Fiber Optic Light Guides are generally used as supplemental lighting for hard to reach areas wherein the built-in illumination is too weak in intensity as in borescopes viewing a distant wall or spotlight affects to a distinct area.
FOI - 4
This unit is identical to FOI-2 in diameter, length and sheathing except it is completely flexible and will not support itself. Ideal in applications where it has to be fastened to a moving part that adjusts in an X, Y, Z axis such as on a machine. It has to be used in conjunction with the FOI-150 Watt Halogen Illuminator or FOI-250 Watt Halogen Illuminator.