Nikon

Featuring Spring-Loaded Zero-Reset Turrets - Quick focus eyepiece - 4x zoom ratio - Fully multicoated optics - Designed for use with Nikons Spot On Ballistic Match Technology - Mildot Reticle - Magnification: 4.5 -18 x - Objective Diameter: 40 mm - Exit Pupil: 2.2 -8.9 mm - Field of View: 5.6 -22.4 ft @ 100 yds - Tube Diameter: 1 in - Eye Relief: 3.7 -4 in - Eyepiece Outside Diameter: 44 mm - Weight: 17.1 oz - Overall Length: 13.6 in - Adjustment Graduation: 1/8 in - Max Internal Adjustment: 40 MOA - Parallax Setting: 50 yds -infinity - Side Focus: Yes - Waterproof/Fogproof: Yes - Use: Centerfire Short/Mid Range Centerfire Long Range