Hawke XB30 2-7x32 SR IR Crossbow Scope 30mm aluminum mono-tube 32mm objective For crossbows from 280-440 FPS Low-profile capped turrets Fixed parallax at 50 yards FOV: 53.8-17.4 ft @ 100 yards 102mm (4") eye relief with .63"-.18" exit pupil Elevation adjustment range: 215 MOA, in 1/2 MOA increments Windage adjustment range: 195 MOA, in 1/2 MOA increments 9.4" long, 14.4oz System H2 optics 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) XB30 SR reticle 5 levels of red or green illumination with adjustable dial