The ATACR 1-8x24 riflescope is designed and built to be the ultimate low-power variable riflescope. It includes pristine ED glass, bright daylight illumination, an intelligent reticle, very low-profile adjustments and bomb-proof reliability, with a field of view at 1x equivalent to open sights...but vastly more precise.Specifications and Features: Magnification Range: 1-8x Focal Plane: First Focal Plane (F1/FFP) Body Tube Diameter: 34mm Overall Length: 10.1in/256 mm Mounting Length: 5.7 in/144 mm Weight: 21.0 oz/595 g Click Value: .1 MRAD Internal Adjustment Range: E: 30 MRAD W: 30 MRAD Parallax Adjustment: Fixed @ 125 m Eye Relief: 3.7 in/95 mm Field of View 100 yd or m: 1x: 96.1 ft/32.0 m 8x: 13.1 ft/4.4 m Exit Pupil: 1x: 11.3 mm 8x: 3.2 mm Illumination: Daylight visible, Externally adjustable, Two night vision settings Elevation Feature: Capped, finger-adjustable Power Throw Lever: Standard