Reflex sight

Reflex sight

A generally non-magnifying optical device that has an optically collimated reticle, allowing the user to look through a partially reflecting glass element and see a parallax free cross hair or other projected aiming point superimposed on the field of view. Invented in 1900 but not generally used on firearms until reliably illuminated versions were invented in the late 1970s (usually referred to by the abbreviation "reflex sight").

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Part of Speech: noun
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Industry/Domain: Military
Category: Firearms
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Related terms

reflex sight

Military; Firearms

A generally non-magnifying optical device that has an optically collimated reticle, allowing the user to look through a partially reflecting glass element and see a parallax free ...

sight

Sports; Archery

A device that the archer uses to assist in his aiming at the target. The sight is placed on the bow.

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Law; General law

At sight means payable when shown and requested. A bill or draft payable when shown is a sight bill or sight draft. Sight drafts can be sent by a seller to a new, faraway buyer’s ...

sight

Language; Dictionaries

The act of seeing; perception of objects by the eye; view; as, to gain sight of land.

Reflex

Consumer electronics; Digital camera

A reflex camera is one that utilizes a mirror system to reflect the light, and therefore the image, coming through the lens, to a visible screen. The image seen in the camera's ...

Reflex

Aviation; General aviation

If a wing has an airfoil that curves down from the high point, and then curves back up, it's said to be "reflexed". Reflex is the size of that reverse curve.

trigger guard

Military; Firearms

The loop shaped construction that encircles the trigger. Usually extending from the receiver and connecting again to the firearm at the grip. The purpose of the trigger guard is ...

chamber

Military; Firearms

The cylinder in which ammunition is fired from. The cylinder in most firearms is directly connected to the barrel and holds the cartridge in place as its primer is struck by a ...

take-down pin

Military; Firearms

In the field of rifles, take-down levers and tabs are rare and most rely on proprietry disasembly methods. One of the most popular methods for adding a quick disassembly function ...

trigger

Military; Firearms

A lever which connects the index (in most cases) with the trigger shear, usually shaped in a wide-radius convex curve in an otherwise flat piece of material. Older triggers have a ...

trigger housing

Military; Firearms

The area milled, pressed, moulded or otherwise created in the receiver to hold the trigger assembly.

take-down lever

Military; Firearms

When dealing with small arms that use a lever in the operation of field-stripping, the term 'take-down lever' is used. It describes the wing of metal attached to a pin which ...