NcStar MARK III 4-16x50 MIL-DOT SM3MA041650G Features 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 Specifications MAGNIFICATION: 4X-16X TUBE DIA. 30mm OBJECTIVE DIA. (MM) 50.00 FOV (FEET AT 100 YARDS) 25.8-6.1 EYE RELIEF (in) 1.5-3.0 EXIT PUPIL(MM) 12.5-3.1 RETICLE: MIL-DOT N.W(OZ.) 21.20 LENGTH (in) 14.5 CLICK VALUE : 1/4 M.O.A EXTERIOR FINISH: MATTE BLACK LENS COATING:  GREEN INCLUDES: WEAVER STYLE RINGS Manufacturer: NcStar Model Number: SM3MAO41650G SKU: NC_SM3MAO41650G more info