Holographic lens

For the light point of the red dot lenses is always balanced with the red dot lenses, even if the eyes are not on the central axis of lenes, the red dot can be accurately aimed through the red dot, which can improve shooting accuracy when moving at high speed or shaking the body . Therefore, it is widely used in the head-up displays of military firearms and even fighters by various countries. Some telescopes and point-and-shoot cameras with built-in viewfinders also use red dot mirrors.