Nikon

Patented BDC reticle: The BDC reticle allows hunters to hold 'dead-on' at ranges exceeding those previously thought possible. The BDC's unique see-through ballistic circles offer an incredible advantage for long range shooting yet allow a normal sight picture for shorter-range shots where the crosshair itself is the aiming point. - Extremely bright sight picture: Allows for high-resolution images even when hunting in the least desirable conditions. - Versatile magnification range: Offers the flexibility needed for any type of hunting situation from heavy timber to the open prairies. - Waterproof fogproof shockproof: Nitrogen filled and O-ring sealed. - Multicoated optical system: Multicoated lenses boost light transmission up to 98%unheard of in similarly priced scopes. - Generous consistent eye relief: Keeps your brow safeeven with the heaviest recoiling cartridges lightweight rifles and severe shooting angles. - Precise hand-turn 1/4-MOA click adjustments: Positive-click reticle adjustments get you zeroed in quicker and maintain your setting even with heavy recoil. - Sun Shade Adaptable: 40 mm & 50 mm models. - Magnification: 3-9 x - Objective Diameter: 40 mm - Exit Pupil: 4.4 -13.3 mm - Field of View: 11.3 -33.8 ft @ 100 yds - Tube Diameter: 1 in - Eye Relief: 3.6 in - Objective Outside Diameter: 50 mm - Eyepiece Outside Diameter: 44 mm - Overall Length: 12.4 in - Adjustment Graduation: 1/4 in - Max Internal Adjustment: 80 MOA - Parallax Setting: 100 yds - Waterproof/Fogproof: Yes - Light Transmission: Up To 98