Prism sight
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A prism sight or prismatic sight, sometimes also called prism scope or prismatic scope, is a subtype of telescopic sight that uses a reflective prism mechanism for its image-erecting system, instead o
A Trijicon 3.5x35 ACOG prism sight with a Trijicon RMR red dot sight mounted on the top.
A British L129A1 sharpshooter rifle with a TA648-308 6×48 ACOG fitted
An Elcan SpecterOS 4x prism sight with a Shield Sights reflex sight mounted on top.
Diagrams showing an interior view of the No. 7 Mark I dial sight for the British QF 18 pounder field gun. Prisms are marked H and F. (cirka 1913)
ELCAN Specter
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The Elcan Specter is a line of multi-role prism sights created by Raytheon ELCAN Optical Technologies originally designed for M16/M4 family of rifles but now also exists for light machine gun and heav
Prism sight
…such sights are best-suited for use at short or medium engagement distances. There are prism sight designs with variable magnification, such as the ELCAN Specter DR/TR series, which use a lever-actuated mechanism to change the focal ratio between the optical components. Like telescopic sights, prism sights have an etched…
Australian soldier with a Specter DR 1–4× mounted on his EF88
Danish Spectre DR 1–4× 5.56
Danish 5.56 Reticle