Relations Feature A 25.4mm One Inch Tube A Wide Field of View A Capped 1/4 MOA Adjustment Reticle Specification A Magnification: 3-9x A Objective Lens Dia: 40mm A Ocular Lens Dia: 33mm A Exit Pupil: 13.3-4.4mm A Optics Coating: Multi coated A Field of View: 6.6-2.4Adeg A Eye Relief: 78mm / 3.1 inch A Length: 310mm / 12.2 inch A Weight: 370g / 13.0 ounce A Tube Dia.: 25.4mm(one inch) A Click Value: 1/4 MOA A Elevation Range: 60 MOA A Windage Range: 60 MOA A Reticle: VMD-2 A Finish: Black matte A Shock proof (750g), water resistant and fog proof (nitrogen purged) A High quality aluminum alloy in durable black matte finish A Fitting includes: 25.4mm low weaver (default) or dovetail mount, cleaning cloth & retail package