Many inspectors need a quality borescope A borescope is an optical device consisting 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. but do not have the budget for it. Machida Machida (mächē`dä), city (1990 pop. 349,050), Tokyo Metropolis, E central Honshu, Japan, on the Tsurumi River. It is an industrial and residential suburb of Tokyo, and an important transportation hub. designed a battery-operated, flexible borescope for people that need quality equipment at a low cost. The battery-operated borescope offers the same high quality performance as the other Machida borescopes, but at a lower cost. This 4 mm borescope has a new and improved battery pack that provides as much light as a light source. When the battery pack is attached, the borescope is portable. This feature is perfect for quick inspections. A small light source is also included in this kit. The battery-operated borescope is ideal for those who cannot justify the cost of a regular borescope.