Includes set of 30mm rifle scope mounting rings. Precision accuracy. Tool-less locking turrets. Adjustment lock. US army Mil-dot reticle. Wide field of view. Fully multicoated optics. Precision multicoated optics. Internal lit reticle. Easy focusing knob. Parallax adjustment. Diopter adjustment. Front diopter adjustment. Lightweight. Waterproof and shockproof. Limited lifetime warranty. Magnification: 8.5-25x. Objective: 50 mm. Eyepiece Diameter: 37 mm. Field of View (m@ 100m): 4.89-1.66. Field of View (m@ 100yds): 14.66-4.97. Exit Pupil: 5.8-2.0 mm. Eye Relief: 98.6-88 mm. Phase corrected, anti-reflective coating: wide band AR green. Parallax (yards): 10 to infinity. Illuminated Reticle: Yes. One piece tube diameter: 30 mm. Diopter (+/-): 2 to -3. Windage/ Elevation (MOA): 60. Mechanism of Action (one click): 0.13 in.. Windage/ Elevation lock: Yes. Focal plane: 2 nd. Length: 16.3 in.. Weight: 800 g.. Instructions . The Sightmark 8.5-25 x 50 Triple Duty riflescope uses cutting edge glass with fully multicoated optics, increasing clarity and making it one of the best riflescopes on the market. The fully multicoated optics transmits a bright and crisp picture that makes tracking and shooting targets quick and easy. The 8.5-25 x 50 features a one-piece 30mm tube that increases light transmission and the field of view. O-ring sealed and nitrogen purged. The 8.5-25x50 also features an illuminated red / green Mil-dot reticle to assist shooters in low light situations. The Triple Duty series of riflescopes are complimentary to any shooters arsenal.