Excellent light transmission.Pinpoint accuracy in any condition.Uncompromised durability.These are the features that set the trijicon tenmile 4.5-30x56 long-range riflescope apart.The 34mm tube provides generous elevation and windage adjuster travel.You can also expect crisp precise adjustments with zero stop; extra-low dispersion glass for true color and detail without distortion; and dual red/green illuminated reticles that let you enjoy both-eyes-open shooting for fast engagement.Adj Size: .25 MOAMagnification: 4.5-30xObjective: 50mmField Of View: 24.70-3.70 ft @ 100 ydsEye Relief: 3.20"-3.80"Tube Diameter: 34mmLength: 14.33"Weight: 36 ozReticle: Dual Illuminated Red/Green MOA Precision TreeOptic Coating: Fully Multi-Coated