Magnification: 3-9x Objective: 40mm Field of View: 10.60 - 31.90 ft @ 100 yds Eye Relief: 3.70" - 4" Tube Diameter: 1" Length: 11.75" Weight: N/A Reticle: BDC-8 Parallax Adjustment: 100 yds Exit Pupil Range: N/A Proofs: Fog/Shock/Waterproof Coating Type: Waterproof, Fogproof, Shockproof Optic Coating: Fully Multi-Coated Optic Coating: Fully Coated