OPTREX module

"An enhanced optical suite for detecting polyband thermal and chemical signatures."

— In-game description^[1]^[2]

The OPTREX module is a modular helmet attachment employed by the UNSC. The module can be employed on the Mariner helmet, and contains an enhanced optical suite for detecting polyband thermal and chemical signatures.^[1]^[2]

In-game information[edit]

Halo: Reach[edit]

The OPTREX module is available as a helmet attachment for the Mariner helmet. It is one of a number of pieces of gear cut from the release of 2011's Anniversary Map Pack and brought into the Reach component of Halo: The Master Chief Collection in Season 5: Anvil.

Attachment(s)	Description	Unlock requirements (Halo: Reach)	Unlock requirements (Halo: MCC)
OPTREX	An enhanced optical suite for detecting polyband thermal and chemical signatures.	N/A (Cut)	Season 5 Tier 80, 1

List of appearances[edit]

Halo: Reach (First appearance; Halo: The Master Chief Collection-only)

Sources[edit]

^ ^a ^b Halo: The Master Chief Collection, Halo: Reach customisation menu
^ ^a ^b Halo Waypoint, Canon Fodder - Armor Online (Retrieved on Feb 28, 2021) [archive]

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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

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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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List of armor permutations by game titles

v • d • e List of armor permutations in Halo: Reach

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Spartan supplemental armor	Assault • Collar • FJ/PARA • Hard-point (HP) • Jump Jet restraints • Sniper • Tactical • Up-armored (UA) • GRD (MCC only) • EXO/TSCS (MCC only)

Elite armor sets	Minor • Officer • Spec Ops • Ranger • Ultra • Zealot • General • Field Marshal

Fractures Spartan armor	Belos • Blackguard • Drengr

Cut armor	Cut armor

For a complete list, check out our armor category.

OPTREX module

Contents

In-game information[edit]

Halo: Reach[edit]

List of appearances[edit]

Sources[edit]

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