A variant of the classic l4 reticle, the l4a dot uses a more open outer post design to keep more of the target visible while aiming.30 spacing from center to post at 100yds when on 4x magnification.This is equivalent to 83cm at 100m.Magnification: 4-12xObjective: 50mmField Of View: 26.20 - 8.70ft @ 100ydsEye Relief: 3.50"Tube Diameter: 1"Length: 13.40"Weight: 17.50 ozReticle: Illuminated Red/Green L4A DOT 2.5 MOAParallax Adjustment: FixedOptic Coating: Fully Multi Coated