The front of the reticle refers to a situation in which the reticle is placed at the rear of the objective lens group and turned to the front of the mirror. The characteristic is that the aiming point or the measuring point does not change due to the magnification.

The reticle rear position refers to a situation in which the reticle is placed at the rear of the mirror and at the front of the eyepiece group. The advantage is that the score lines are the same thickness at any magnification.