The prime aim of this article is to know about flexible borescope. A flexible borescope is really a device collected of a long flexible tube. The tube contains a close watch piece on one end as well as a magnifying device on additional end. The operator of a flexible borescope can insert the tube in a small, dark area. The operator can read through the eye piece in addition to examine the surface section of the space. Fiber optic lighting that is present on the flexible borescope gives a light source for the operator to see the image more plainly.