Specification: 1.Revolutionary 4-50×75 Riflescopes for Long Distance Shooting and Hunting 2.Target Style Adjustment Knobs with Turret 3.One piece Anodized Aluminum Main Tube 4.Multi-coated Green Lens 5. 35mm Tube Perfect on heavy,hard-hitting, large caliber rifles used for extended ranges,such as the .308, 50 BMG and 338 lapua magnum Data Table: 1) Specification: 4-50×75 2) Magnification: 4x – 50x 3) Objective diameter: 35mm 4) Exit pupil:12mm-1.35mm 5) Length: 370mm 6) Tube diameter:35mm 7) Eye relief:4.95-3.1inch 8) Field of view: 26.7-2.3 at 100yds 9) Reticle:Glass Etched R/G/B illuminated Mil Dot 10) Reticle Type:Glass etched mil dot illuminated R/G/B 11) MOA: 1/8′ 12) Focus Range:10-unlimited 13) Diopter Adjustment:-3~+2 14) Maximum Recoil:3000G’s Item Description: -The advanced optical system highlighted with a 12 zoom range, provides magnification versatility -Built on an ultra-strong 35mm one-piece machined aluminum tube, delivers increased windage and elevation travel for optimal adjustment -Optical Features ED Lens Elements Extra-low dispersion glass increases resolution and color fidelity, resulting in crisp, sharp images -Fully multi-coated lens coatings increase light transmission for maximum brightness -One-Piece Tube Maximizes alignment for improved accuracy and optimum visual performance as well as strength and waterproofness -Aircraft-Grade Aluminum Construction from a solid block of aircraft-grade aluminum delivers increased strength and rigidity -Hard Anodized Finish Hard-coat anodization is durable; -the low-glare matte helps camouflage the shooter s position -Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. -Convenience Features Eye Guard protect from accidental movement and impact -For hunting /Long Range target shooting/ tactical shooting/Caza -Extral wide field of view Can be used for as far as 2000yards Long Range Shooting and Hunting!