6650-25-133-9996

Optical Spotting Instrument

6650251339996 251339996 ERZ345-DF23X75 OG S3890 244194 N7C11

An item used for spotting enemy fire, detecting azimuth and deflection errors in bursts of fire for flash ranging, terrestrial and celestial observation, and for accurate measurement of horizontal and vertical angles by the use of reticles. It may have a single or dual optical system(s), utilizing a straight or offset (raised) line of sight. It is supported by a tribrach having a leveling plate with adjusting screws, circular and/or tubular level vials, azimuth and elevation controls, and the like. It may be mounted in a tripod or groundshelf mount, and usually includes accommodations for a LIGHT, INSTRUMENT. View more Optical Spotting Instrument