This MTC scope has a 1″ tube - industry-standard, combines lightness with compatibility, Low profile turrets with protective caps - low profile turrets offer maximum versatility, screw-on caps protects your settings in the field, 3-9X zoom, AMD reticle, 2nd focal plane - offers versatility and an unobstructed sight picture, Zero-Lock system to lock aim point setting, Parallax set/reset by simple adjustment, Waterproof, fogproof, shockproof & nitrogen purged, Korean engineered, fully multi-coated lenses - maximum light transmission plus minimum flare, Butler Creek flip-up covers and sunshade supplied - front and rear, protect from dirt and water in the field and gun bag, Only 387 grams, Sunshade supplied.