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O/I optics device

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An O/I device attached to Kojo Agu's ODST helmet.

The O/I (Ocular/Integration) optics device^[1]^[2] is a helmet attachment worn by snipers in the UNSC Armed Forces. They are employed by ODST donning the sharpshooter variant of the ODST armor and UNSC Army personnel.^[3]

Usage[edit]

Human-Covenant War[edit]

During the Fall of Reach, O/I devices were worn as attachments UNSC Army soldiers' CH252 helmets and the ODST helmets worn by the ODSTs.^[3] During the Battle of Mombasa, ODST sniper Kojo Agu employed an O/I module on his helmet.^[4]

Installation 07 conflict[edit]

During the conflict on Installation 07, this attachment saw use by Marine snipers across the ring.^[5]

Gallery[edit]

An O/I as worn by Romeo.
An O/I device on ODST sharpshooter armor.
An O/I module worn on an soldier's helmet.
A radio operator in New Alexandria sporting an O/I optics device.
An ODST in New Alexandria wearing O/I optics.
The O/I optics in Halo Infinite.
The O/A optics angled in Halo Infinite.

List of appearances[edit]

Sources[edit]

^ Halo: The Essential Visual Guide, p. 159
^ Halo Encyclopedia (2009 edition) (2011), p. 56
^ ^a ^b Halo: Reach
^ Halo 3: ODST
^ Halo Infinite, Sniper Marine model

v • d • e

List of armor by faction

v • d • e Human

Standard-issue	Army BDU • Black body suit • CH252 helmet • Heavy impact plating • Marine BDU (M52B body armor • VZG7 armored boots) • ODST armor (ODST-HS combat helmet • ODST Close Quarters • ODST Ranger) • ONI (S1-Recon BDU • ONI Recon helmet • S1/ONI Field Fatigues) • Vacuum suit

Powered exoskeleton	HRUNTING (Mark III Cyclops) • HRUNTING/YGGDRASIL (Mark I ADS (Mk I [J] Green Machine) • Mark II (Mk II [D] Geyrion • Mk II [J] Colossus) • Mark IX Mantis) MJOLNIR (Mark IV • Mark V • MJOLNIR: BLACK • Mark VI • Mark VII • [GEN2] armor • [GEN3] armor) Others: ORION armor • SPI armor • Hayabusa armor • Buccaneer • Shinobi • Skyfire Exosuit

Configurations and accessories	Configuration categories (AAP • Assault • Collar • FJ/PARA • Hard-point (HP) • Jump Jet restraints • SAP • Sniper • Tactical (TAC) • Up-armored (UA) • UTIL) • Helmet attachments (CBRN module • CNM • FC • FCI-I • HUL • HU/RS • LCX-20V1 SinoViet sight-augmentation module • O/I optics device • RS • TAS) • M/LBE hard case • Mark IV/LBE-AA field case • Shield prototype

For a complete list, check out our armor category.

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