2nd focal plane reticule, meaning it does not grow and/or shrink when zooming in or out. It also means you must be at one specific magnification power for the mildots to be accurate (mildots are accurate at 12x and 24x to calculate target range)
The scope is illuminated, works very good. Reticle 43 illuminated in Red MilDot. Only the center MilDots illuminates.
For Free, Mildot Master: calculate easily range of objects or animals simply with your scope and guide, or if you prefer to use a rangefinder, use your mildot master to calculate exact number of clicks for bullet drop at any distance. Very accurate.