Steiner Ranger 2-8x42mm Riflescope, Steiner Ranger 2-8x42mm Riflescope Compact versatility for virtually any rifle Great details by high magnification Parallax adjustment from 100 m to infinity Wide. Bright. Short SPECIFICATIONS Objective Tube Diameter    51 mm Effective Objective Diameter    42,0 – 25,5 Magnification    2x / 8x Weight    585 g Length    303 mm Temperature Range    -25 °C to +65 °C Exit Pupil    12,0 – 5,3 mm Field of View at 100 m    18,3 – 4,7 m Eye Relief    90 mm Diopter Setting    -3 to +2 Parallax Adjustment    100 m Reticle    4A-I Focal Plane Location    2. BE Reticle Adjustment per Click at 100 m    1 cm Max. Adjustment in cm at 100m - Elevation/Windage    125 / 125 cm Center Tube Diameter    30 mm Eye Piece Diameter    44,3 mm High-Performance-Optics    High Contrast Water-Pressure Proof    Up to 2 m Steiner Nitrogen - Pressure-System    Yes