Nightforce ATACR 4-16x42mm F1 ZeroHold Mil-R Scope, 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. Specs: Scope Weight: 30oz Scope Length: 12.6" Magnification Range: 4-16x Scope Objective Diameter: 50mm Scope Tube Size / Mount: 34mm Scope Turret Adjustment: .1 MilRadian; 12 Mils per revolution Reticle Position: First Focal Plane Field of View: 4x: 26.9 ft @ 100 yards 16x: 6.9 ft @ 100 yards Eye Relief:3.35-3.54" Illuminated Reticle: DigIllum Scope Finish: black MPN: C552