Beam Gem lens

A beam gem lens was a lightsaber focusing crystal made primarily of beam gem crystals. These crystals commonly found use in optical computers (ie: navigation computers) and, when used as a lightsaber lens, produced a highly focused blade.

Behind the scenes
In Knights of the Old Republic II, these are the stats that are added and/or improved when this item is inserted into a lightsaber.
 * Damage Bonus: Energy 1
 * Keen

Appearances

 * Star Wars: Knights of the Old Republic II: The Sith Lords