While the average parallax wheel will simply provide an estimation about a given distance (200 m/yds will be anything between 190 m/yds and 210 m/yds) the exclusive system of the armada models is spot-on and flawless with every single measurement instead (200 m/yds will be 200 m/yds, with the same precision of a laser rangefinder).The scope features locking tactical turrets; fast focus ocular; parallax wheel for accurate measurements; ant1-canting bubble level and an adjusting range of 25mm.Magnification: 6-24xObjective: 56mmField Of View: 172 - 5.70 ft @ 100 ydsEye Relief: 72-63mmLength: 16.50"Weight: 30.10 ozReticle: Dual Illuminated Red/Blue Engraved Fine CrosshairProofs: Fog/Shock/WaterproofOptic Coating: Fully Multi-Coated