Since the light spot (light shot) that enters the eye in the red dot mirror is always balanced with the red dot mirror, even if the eye is not on the central axis of the red dot mirror, it can accurately aim through the red dot, which can improve high-speed movement or body shaking Because of its shooting accuracy, it is widely used by various countries on the HUD (head-up display) of military firearms and even fighters.
In addition, in addition to being generated by LED lights, special light can also be provided by natural light or very low radioactive radiation (semi-permanent effective).
