Special Features:

5 millmeter diameter probe; fingertip handle; 5.1mm maimum outer diameter; 1500mm working lenth; 14 to 200mm direct.12 to 100mm side dept of field; minus 10 to plus 80 degree c operating temperature; tungsten, polytetrafluoroethylene impregnated outer braid

Properties:

A viewing device used to visually inspect items such as cannon bores, internal combustion engine cylinder walls, propellant perforations of rocket motors or similar items, for defects of manufacture, corrosion, scars, erosion, etc., without the necessity of disassembling the item(s). It may or may not have extension tubes to cover the various ranges of inspection. The item is basically a straight-tube telescope using a mirror or prism.