Special Features:

Straight direction view fexible borescope, small diameter, high resolution, angulation up or down 120 deg, polyurethane impregnated steel mesh cover, illuminating fibers, field of view 65 degrees

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.