Magnification: 3-9x - Objective: 40mm - Field of View: 34.6-14.6 ft @ 100 yds - Eye Relief: 4.2-3.7 - Tube Diameter: 1 - Length: 12.6 - Weight: 11.2 oz - Finish: Black - Reticle: Heavy Duplex - Adj Size: .25 MOA @ 100 yds - Features the Quantum Optical System with lead-free precision ground and polished lenses coated with Multicoat 4 lens coatings. 92 percent light transmission. Dependable target acquisition in any light conditions. Finger-adjustable 1/4-MOA per click. Lockable fast-focus eyepiece. One inch maintube. Oxygen purged and nitrogen filled. Waterproof shockproof and fogproof. Full lifetime guarantee.