Features Vector Optics Top Line Product That Can Compete Worldwide Famous Brand Optics German Optical System with Crystal Clear Image 30mm Monotube Return-to-Zero Turret Etched Glass VET-10BDC 1/4MOA Adjust Center Dot Illumination Light Transmission Reaches 90% Specifications Magnification: 2-12x Objective Lens Dia.:50mm Ocular Lens Dia.:42mm (1.7 inches) Ocular Lens Length: 54mm (2.1 inches) Exit Pupil: 9.5-4.2mm Optics Coating: Fully-multi coat diamond clear Field of View: 63-10.5 feet @ 100 yards Field of View: 21-3.5 meters @ 100 meters Eye Relief: 100mm (4.0 inch) Length: 335mm (13.1 inch) Weight: 605g (21.4 ounces) Tube Dia.:30mm Monotube Click Value: 1/4 MOA Elevation Range: 140 MOA Windage Range: 140 MOA Parallax Setting: 100 yards Reticle: Etched glass VET-10BDC Illumination: Six gear Battery: CR2032 Distance between objective lens part and middle turret: 42mm (1.6 inches) Length of middle turret part: 33mm (1.3 inches) Distance between middle turret parts to power ring: 56mm (2.2 inches) Shock tested to 750g, waterproof at 1m Light transmission reach 90% Fully nitrogen purged to eliminate any fogging of the lenses internally Adjust plate is NOT fixed, after zero the scope pull up the turret and re-set to zero High quality 6061 T6 aircraft grade aluminium Turret lock feature: press down to lock without click movement Diopter compensation from the fast-focus eyepiece (+2 to -3) Includes 30mm Picatinny high ring, lens caps cleaning cloth Lifetime warranty