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The Difference Between a Borescope & a Fiberscope

Borescopes and fiberscopes are two instruments used for visual inspection. Users insert these scopes into small spaces to view or record the images detected by the scopes. Both types of scopes are used in medical testing and for nondestructive tests in small spaces, such as aircraft engines and crevices in concrete structures.

  1. Flexibility

    • Made from flexible optic fibers, fiberscopes have a viewing lens attached to its head. The operator can turn the lens after inserting the fiberscope deep into a crevice, increasing the operator's view. In contrast, boroscopes are rigid and only allow the operator to view straight ahead or at right angles.

    Light Source

    • A fiberscope transmits light down its optic fibers, illuminating the area. Boroscopes have mirrors and lenses, so light can be bounced from between mirrors to illuminate the area.

    Clarity

    • Boroscopes provide a wider and clearer view than fiberscopes. Fiberscopes are limited to a range of 6 to 8 inches, according to Richard K. Messock of the Energy and Utilities Department at the Naval Engineering Environmental Support Activity.

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