Hawke XB1 1.5-5x32 SR IR Crossbow Scope 1" mono-tube 32mm objective For crossbows from 250-425 FPS Low-profile capped resettable turrets Fixed parallax at 50 yards Wide angle FOV: 75 -22.5 ft @ 100 yards Elevation and windage adjust in 1/2 MOA increments 8.3" long, 13oz 11 layer fully multi-coated lenses High torque zoom ring Fast focus eyebell Nitrogen purged Shockproof, fog proof, waterproof Hawke no-fault lifetime warranty Second focal plane (SFP) XB1 SR etched glass reticle Red and green illumination with 5 levels of brightness