Feature A 25.4mm Monotube A Range Finder Reticle A 1/4" Finger Adjustment A Wide Field of View A Objective Focus A w/ Sunshade and Flip-up Caps Reticle Specification A Magnification: 2-6x A Objective Lens Dia: 32mm A Ocular Lens Dia: 26mm A Ocular Length: 50mm A Exit Pupil: 4.6-14.00 mm A Length: 210mm (8.3 inch) A Weight (net):360g (12.7 ounce) A Eye Relief: 75-95mm (30.-3.7 Inch) A Field of View (feet@100yds):15.7-42.0 A Optics Coating: Multi Coated A Reticle: Range Finder Reticle A Elevation Range: 60 MOA A Windage Range: 60 MOA A Monotube Dia.:25.4mm A Battery Type: CR2032 A Illumination: 5 levels Red & Green A Shock proof, Water Proof and Fog Proof (Nitrogen Purged) A High quality aluminum alloy in durable black matte finish A Feature 1/4" windage and elevation adjustments with audible clicks A Fast focus adjustment at ocular lens (diopter compensation) A Free fitting involved: 25.4mm weaver (default) or dovetail mount, sunshade and flip-up caps A Length of middle one inch tube: 70mm (2.7 in) A Front gap between objective lens and turrets 20mm (0.8 in) A Rear gap between ocular lens and turrets 19mm (0.7 in) Service