Type-52 focus rifle
From Halopedia, the Halo wiki
The Type-52 Special Applications Rifle (T52 SAR), commonly known as the focus rifle, is a directed-energy weapon used by the Covenant. The marksman rifle is in the same "lineage" as the Type-27 beam rifle and the Type-50 particle beam rifle.
The Focus Rifle is a sniper-style weapon, that, despite its visual similarities to the Type-50 particle beam rifle, functions quite differently, being designed for ranged suppression rather than for anti-personnel roles. The smooth and organic appearance and purple coloration of the weapon is reflective of typical Covenant aesthetic tendencies, as such, its ergonomic grip is designed for Sangheili use. Although powerful and intimidating, the combat effectiveness Focus Rifle is crippled by several glaring flaws in the design. The beam fired by the weapon is extraordinarily visible; firing the weapon immediately reveals the user's position. Although highly effective at depleting shields the weapon is only marginally effective against armored targets, causing negligible damage to vehicles and requiring continuous fire to ensure lethality against organic targets. If the weapon overheats it will automatically vent excess plasma, burning the user and rendering the weapon inoperable for several seconds.
The focus rifle copies some elements of the sterilization beams employed by Aggressor Sentinels, though the magnetic accelerators and particle guide beam emitters are novel creations of Covenant origin. These features present a counterpoint to the idea that the Covenant never innovated when it comes to technological development. Instead of a firing a single beam in one shot like the Covenant beam rifle, the rifle fires a continuous purple-tinted beam of magnetically contained plasma, similar in operation to a Sentinel Beam, the Forerunner weapon from which the T-52 SAR was reverse-engineered. The plasma is formed in a cylindrical module and directed through a channel of electromagnetic coils, forming a precise beam. Like most Covenant infantry weapons, the weapon draws its power from a battery. The weapon requires high power expenditure and the battery is easily depleted. The exact mechanism by which it functions was under investigation by the UNSC as of August 2552.
The weapon is equipped with a 3.5-9.5× magnification scope and uses the same smart-link firmware as the Particle Beam Rifle, but uses a different scope. As with the Particle Beam Rifle, the smart-link feed shows the weapons remaining power and accumulated heat level. The link also displays diagnostic information and allows semi-automatic adjustment of the plasma beam angle when interlinked with the hardware in Sangheili combat harnesses or Kig-Yar marksman sets. This provides a limited amount of moving-target tracking without the firer having to adjust their aimpoint at distant targets. These targeting protocols are unusual and incompatible with most interlink translation software.
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