UTG OP3 Compact 3-12x44 AO, UMOA, 1/4 MOA, 30mm, Picatinny 30mm aluminum tube 44mm objective 3-12x optical system Lockable fine-tuning adjustable eyepiece diopter Side Wheel Adjustable Turret (SWAT) parallax adjustment, 10 yards to infinity Wide angle FOV (32' - 10' @ 100 yards) 4" - 3.54" eye relief with .58"-.18" (14.7mm - 4.5mm) exit pupil Elevation and windage adjustable in 1/4 MOA increments Emerald multicoated lens Resettable target turrets with reinforced zero lock Nitrogen purged IPX7 waterproof rating Shockproof, fog proof EZ-TAP Illumination Enhancing (IE) System with red/green and 36-color modes UMOA etched glass second focal plane (SFP) reticle with range estimating features 10.2" long, 20.7oz Includes 3" removable threaded sunshade, flip-open lens caps, cleaning cloth, and medium profile Picatinny rings Leapers UTG limited lifetime warranty