An Omniscope is a visual scanning device used by Space Marine Centurions to more accurately direct their fearsome ranged firepower and so pierce the gloom of a hostile galaxy.
- Codex: Space Marines (7th Edition) (Digital Edition), "Armoury of the Space Marines - Special Issue Wargear - Omniscope", pg. 349
- Codex: Space Marines (6th Edition), pg. 125