Special Features:

Eye piece included, 20 ft close focus, 4mm exit pupil at 20x, 17mm long eye relief, 98 ft field of view at 1000 yds at 20x, 80mm objective lens w/ ed glass (extra-low dispersion fluorite), 20-60x variable power eyepiece included, bak-4 prism glass, emerald fire full multi-coating, multi-step eye relief system (eyeglass compatible), waterproof/fogproof, nitrogen filled, allow frame w/ ergonomic body armor, sight alignment tube, tripod/ monopod compatible, includes lens covers, shoulder strap, and interactive neoprene case

Properties:

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.