Features: Precision Machined Multi-coated lenses Side Focus Red & Green Illuminated Eteched Glass Reticle Coil Spring System 100% waterfroof tested 100% fogproof tested 100% shockproof tested to 1200G One piece construction 30mm Tube precision machined from Aircraft Grade Aluminium Alloy Superior multi-coated leanses for the best clarity Red & Green Illuminated Glass reticle Windage/Elevation Target Turrets with Zero locking and relocking features Unique 1-piece construction Design for Side Focus knob & Illuminated switch Specifications: Magnifciation (Obi Dia mm) :6x-24x Objective Dia (mm) :50mm Tube dia:1 inch Field of view@100yards:3.5-13.5ft Eye relief(mm):4"-3.5" Exit pupil:3.1-8.3mm Click Value:1/8" Length:380mm Reticle type: Mil dot Ir:R&GIR W/E range: >22" Focus Type: side focus Net weight :732g Product Size:14.96"*3.74"*2.64"