This Nightforce ATACR F1 4-16x42mm riflescope with a DigIllum Mil-R reticle and .1 Mil-Radian is compact yet powerful. Features include ZeroHold, power throw lever, fully multi-coated ED glass lenses, capped windage adjustment, parallax adjustment, XtremeSpeed thread for a fast diopter adjustment, and first focal plane reticles for fast hold-off adjustments and precise ranging calculations.Inspired by the NXS, the ATACR family of riflescopes defines Rugged, Reliable, and Repeatable. Overbuilt with mission critical features standard which includes ZeroStop and a choice of illuminated MOA or Mil based ranging reticles. Built from the most rugged materials, ATACR riflescopes deliver benchrest precision even under the harshest conditions.Fully multi-coated ED glass results in superb light transmission, brilliant images, and exceptional color contrast. With the varying magnification ranges, the ATACR line of scopes can cover almost any situation a shooter may have. Featuring sophisticated reticles, the ATACR leaves nothing to chance. The ATACR from Nightforce redefines the "long" in long range, leaving the possibilities endless.Nightforce is already known for ruggedness and reliability in their riflescope lines, and the ATACR is no exception; building from his foundation, the scope has many features, including:Parallax adjustment - 45 yards - infinityIntegrated Throw LeverXtreme Speed ThreadHi-Speed ZeroStopDigIllum reticle illumination