Relations Feature A True 12x Zoom Factor, Edge-to-Edge Image, Fully-multi Coated, 100mm 4" Eye Relief A 35mm Monotube Made of 6061 T6, Side Foucs Min Starts from 20 Yards to Infinite A By Using ED Glass on Objective lens Ensure Excellet Image at 48x Power for Long Range Shooting A 1/8MOA Adjustment w/ Zero Reset & Turret Lock Feature, Total >55MOA Adjustment Range A Etched Glass VET-L338 Reticle Make You Measure Distance and Calculate Bullet Drop Compensation A Take Lapua Magnum 338 Recoil and All Fields of Application for Hunting, Sporting & Competition Reticle Specification A Magnification: 4-48x A Objective Lens Dia.: 65mm A Ocular Lens Dia.: 39mm / 1.5 inch A Ocular Lens Length: 66mm / 2.6 inch A Exit Pupil: 12-1.35mm A Optics Coating: Fully-multi coat A Field of View: 26.7-2.3 feet@100 yards A Field of View: 5.1-0.43Adeg A Eye Relief: 104-94mm / 4.1-3.7 inch A Length: 435mm / 17.1 inch A Weight: 1140g / 40.2 ounce A Tube Dia.: 35mm Monotube A Click Value: 1/8 MOA A Elevation Range: >55MOA A Windage Range: >55MOA A Parallax Setting: 100 yards A Side Focus: 20 Yds to infinite A Reticle: Etched glass VET-L338 A Illumination: 11 gear red A Battery Type: CR2032 A Reticle Usage at 10x Power, reticle especially designed for Lapua Magnum 338 long range shooting max 1400 meters A Distance between objective lens part and middle turret: 74mm (1.8 inch) A Length of middle turret part: 37mm (1.6 inch) A Distance between middle turret part to power ring: 88mm (2.5 inch) A Shock tested to 1200g and water proof A Fully nitrogen purged to eliminate any fogging of the lenses internally A High quality 6061 T6 aircraft grade aluminum A Diopter compensation from fast-focus eyepiece (+2 to -3) A Including items: 35mm picatinny high ring, 3" sunshade, flip-up caps and cleaning cloth etc.