Sweet 22 series riflescope is a trajectory-compensated scope for target and varmint shooters or for hunting big game.It features a quick change turret system for various grain bullets and has fully coated optics with adjustable objective for parallax along with a 1" tube.Adj Size: .25 MOAMagnification: 6-18xObjective: 40mmField Of View: 18.80-6 ft @ 100 ydsEye Relief: 4"Tube Diameter: 1"Length: 13.80"Weight: 17.60 ozReticle: 30/30Parallax Adjustment: 10 yds-InfinityParallax Adjustment: 10 yds-InfinityProofs: Waterproof, Fogproof, ShockproofCoating Type: Waterproof, Fogproof, ShockproofOptic Coating: Fully Multi-CoatedOptic Coating: Multi-Coated