3-9X56EG red and green light ten line sniper sighting optics hunting sight sighting bird mirror Reticle Optical Sight Rifle Scope 20mm Rail <br />[Magnification]: 3-9 times<br />[Length]: 315mm <br />[Objective lens diameter]: 56mm <br />[Exit pupil distance]: 66.8-99.06mm <br />[Diameter]: 25.4mm <br />[View]: 13.41-40.38@100yds <br />[Dividing line]: Mesh differentiation yarn <br />[Coating method]: blue film <br />[Earthquake or not]: yes <br />[One tube or not]: yes <br />[Adjustable or not]: Yes <br />[Charge nitrogen or not / waterproof anti-fog]: yes <br />