NcStar 6-24X50 Green Iluuminated Mil-Dot/AO/Mil-Dot/30mm/Ring/Green Lens (SM3MAO64250G) Open Target Turret - Fully Multi Coated Lenses - One Piece 30mm anodized aluminum main tube - Built in sunshade - Quick focus eyepiece Side Focus parallax adjuster - Ultra Bright Green illuminated Reticle with seven levels of intensity - Waterproof, Fog proof, Shock proof MAGNIFICATION: 6X-24X - TUBE DIA. 30mm - OBJECTIVE DIA. (MM) 50.00 - FOV (FEET AT 100 YARDS) 19.6-4.2 - EYE RELIEF (in) 1.5-3.0 EXIT PUPIL(MM) 8.3-2.1 - RETICLE: MIL-DOT - CLICK VALUE : 1/8 M.O.A