rangefinding
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Stadiametric rangefinding — Stadiametric rangefinding, or the stadia method is a technique of measuring distances with a telescopic instrument. The term stadia comes from a Greek unit of length. Stadiametric rangefinding is used for surveying and in the telescopic sights of … Wikipedia
Battle of Calabria — Infobox Military Conflict conflict=Battle of Calabria caption=Italian battleship Giulio Cesare firing during the battle partof=the Mediterranean Theater of World War II date=July 9, 1940 place=Near Calabria, Italy result=Inconclusive… … Wikipedia
Tests of general relativity — General relativity Introduction Mathematical formulation Resources Fundamental concepts … Wikipedia
Stadium (disambiguation) — Stadium (Latin) or stadion (Greek) has the plural stadia in both Latin and Greek. Stadia (Anglicized in translation in many sources) refers to a unit of length, the Stadion of ancient greece. 2Stadium may refer to:* Stadium, a building type (the… … Wikipedia
Photonics — Refraction of waves of photons (light) by a prism The science of photonics[1] includes the generation, emission, transmission, modulation, signal processing, switching … Wikipedia
Reticle — Crosshairs redirects here. For the fictional characters in Transformers, see Crosshairs (Transformers). A comparison of different reticles used in telescopic sights. The lower right represents a reticle found in the scope of a Russian SVD sniper… … Wikipedia
Telescopic sight — Scope redirects here. For other uses, see Scope (disambiguation). View through a 4x rifle scope. A telescopic sight, commonly called a scope, is a sighting device that is based on an optical refracting telescope. They are equipped with some form… … Wikipedia
Angular mil — An angular mil, also mil, is a unit of angle. All versions of the angular mil are approximately the same size as a trigonometric milliradian. Contents 1 History 2 Mathematical principle 3 Use … Wikipedia
Stadia mark — Stadia marks, also called stadia lines or stadia hairs, are crosshairs on the reticle of a theodolite or other surveying instrument that allow stadiametric rangefinding.EtymologyThe term stadia mark derives from the obsolete unit of distance, the … Wikipedia
Coincidence rangefinder — American soldiers using a coincidence rangefinder with its distinctive single eyepiece during army maneuvers in the 1940s … Wikipedia
