Telescopic Sight

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telescopic sight

[¦tel·ə¦skäp·ik ′sīt]
Gunsight equipped with a telescope.

Telescopic Sight


a viewfinder whose optical components form a telescopic (afocal) system.

In the USSR, telescopic systems consisting of a negative, or diverging, objective and a positive, or converging, eyepiece are found in cameras equipped with rangefinders and in some amateur motion-picture cameras. Such viewfinders are of small size and provide a reduced erect image of the object being photographed. They are known as direct-vision optical viewfinders.

Reflex cameras and professional motion-picture cameras employ a telescopic system with a positive objective and eyepiece. Systems of this type produce magnified images of the object being photographed but must be equipped with an inversion system in order to obtain an erect image.

References in periodicals archive ?
In December 1914 the Militia Department asked the government for approval to purchase 832 Warner & Swasey (W&S) telescopic sights and mounts.
The advent of the telescopic sight collapsed distance--literal and moral--and added to the destabilization of place in the modern psyche.
In the Small Arms Firing Regulations of 1904 and 1906, the army authorized the use of telescopic sights by " .
Also in the haul was a Wolfer semi-automatic rifle, worth pounds 600, and a pounds 2,250 Remmington rifle, both fitted with silencers and telescopic sights, and a large quantity of bullets and other ammunition.
In his spare time, Hooke was an inveterate instrument maker who had designs for barometers, telescopic sights, calculating machines, and watches.
The army is shooting at empty areas, instead of destroying the places from where a sniper sees a baby in his telescopic sights and murders her in cold blood.
Telescopic sights do the same thing for handguns as they do for rifles-- allow more precise shot placement than either iron or dot sights.
Police seized a powerful machine gun and a rifle fitted with telescopic sights and silencer in a raid yesterday on the offices of a loyalist political party in Northern Ireland.
Activity such as this is part of the endless parade of changes that make Jupiter one of most dynamic telescopic sights.
Telescopic sights were first accepted by the military and police for special purposes, notably long-range work.
In particular, he wanted a high-powered rifle with telescopic sights or some other weapon that could be used to kill Castro from a distance," FitzGerald later recounted.
Weaver had not only been a leading supplier of telescopic sights, but also one of the most prolific manufacturers of one of the most popular combinations of scope sight bases and rings ever offered to the shooting public.