This Schmidt and Bender PM 1-8x24 LT ShortDot scope with a mildot reticle may be used like a red dot sight at short distances, but the fine reticle in the first focal plane permits accuracy of 800m. This scope offers 3 stages for use in poor lighting conditions. An automatic locking function secures the elevation and windage adjustment caps, and the main tube has a diameter of 30mm.