An electrorangefinder was a device that calculated the distance between itself and a target object. These devices were incorporated into electrobinoculars and macrobinoculars and were essential components in the targeting and fire-control computers used by artillery and ship-mounted weapons systems.
Sources
- Star Wars: The Empire Strikes Back (novelization) (First appearance)
- A Guide to the Star Wars Universe
- The Star Wars Sourcebook
- Galaxy Guide 3: The Empire Strikes Back (as electro-rangefinder)
- The Movie Trilogy Sourcebook
- The Star Wars Sourcebook, Second Edition
Star Wars Customizable Card Game — Hoth Limited Card: Electro-Rangefinder (backup link)- Star Wars Customizable Card Game — Hoth Limited Card: Target The Main Generator (backup link) (Picture only)