Borescope: Testing, Inspection Equipment Manufacturers

Borescopes are inspection devices with a rigid or flexible optical tube for insertion into bores and cavities for visualization. They are used in a wide range of industrial quality control and inspection applications. A borescope consists of an objective lens positioned in front of a long relay tube containing an image relay and an illumination relay. Borescopes have four common relay lens type such as achromatic doublet, gradient index, fused quartz fibers and rod lens. Its feature includes integral illumination and the ability to attach a video camera for image display & capture.