Adventure class lenses are multicoated with advantage solution to provide maximum light transmissionMil-Dot range estimating reticle for most optimal aiming and shooting performanceOne piece tube with front AO and 3" sunshadeLimited lifetime warrantyMagnification: 3.00X - 9XTube Diameter: 1 InchObjective Diameter: 40mmField of View @ 100 yards: 39.3" - 13.1"Eye Relief: 3.3" - 3.1"Exit Pupil: 10.0mm - 4.4mmClick Value @100 yards: 1/4"Length: 342mmWeight: 22.2 ozParallax Setting: 5 Yds - InfinityBatteries: CR2032 3V