Focused Apertures are a booster of base energy weapons. They serve as the counterpart of focused optics for ship weapons. They increase the range of energy weapons on the module.
Focused apertures are quite useful when set up on bases, particularly Graviton ray turrets and Arrestor beam turrets since the extra range enables them to be more capable of long range defence. The increased range and hinder the movement of decoys due to the risk of getting too close and sustaining damage. On the Arrestor beam turret, stasis and impair the movement of decoys, making it very difficult of them to avoid incoming fire. They are commonly equipped on energy turrets to fill remaining mass on a combat module. Almost all level V bridges equipped with an energy weapon has focused apertures.