Special Features:

Fiberoptic borescope max diameter 0.250 in, ; 70.000 in. Lg; 70.0 degrees field of view porm 120.0 degrees tip deflection; 300 watt mercury vapor lamp; carrying case included

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.