Borescope

Borescopes are a must in any inspection type of job, where certain physical characteristics (size, surface condition) must be examined. A borescope allows the person to view a magnifying image of a remote object. Here is how it works. This optical device consists of a rigid or flexible tube with an eyepiece on one end, an objective lens on the other linked together by a relay optical system in between, which is surrounded by optical fibers that illuminate the remote object. But this is not how things always used to be. Initially, the technology was quite different. Prior to 1960, borescopes used hot and often dangerous incandescent lamps at the distal (working) end.

Today's advanced borescopes use fiber optic illumination in the scope body and can connect either directly with Mini-Maglite or NOVA or Mini-NOVA light sources for portable operation or the brighter wall powered light sources. Some of the more popular brands that produce borescopes are Hawkeye, Karl Storz, Olympus, Richard Wolf.

With the help of a borescope, you can get a clear view at something that is otherwise inaccessible. Bore scopes can be either a rigid (industrial endoscope) or flexible (fibrescope, flexible borescope).

Flexible borescopes also are called Fiberscopes - because their relay optical system that transfer image consist of thousands of tiny fibers (fiber optic image bundle). Rigid borescopes (bore scope) are like fiberscopes, but aren't flexible and a produce an image of higher quality, which makes them more suitable for tasks such as inspecting automotive cylinders, fuel injectors, hydraulic manifold bodies. Rigid or flexible borescopes may be fitted with a magnifying device and a way to illuminate the work being inspected, usually illumination fibers contained in the insertion tube of the borescope. The eyepiece may be fitted with a coupler lens to allow the borescope to be used with imaging devices such as a video or CCD camera, so called borescope viewer. Furthermore, borescopes can be used for rifle inspection and precision shooting as well.

With a borescope, you as a viewer can look from every available corner and hard to reach areas as well as inspect object from different angles, by manipulating a tip of the fiberscope and pass along the corners. Currently, 1,2 or 4 way articulation fiberscopes are made. Rotate it in a given direction and you will get a 360 degree view.

This type of tool will save you a lot of time, because with it, you won't have to dismantle the object, instead you can do a close-up interior inspections using the borescope.

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