Leapers Integrix IX8 1-8X28 FFP LPVO Scope, A1 MOA, 34mm Tube Extendable throw lever Locking turrets 1-8X28 First focal plane Lifetime warranty 6061-T6 Aluminum Lens cover included Etched MOA reticle Illuminated: Yes, red and green 10 brightness settings Auto shutoff after 12 hours Waterproof rating: IPX7 (Up to 1 meter for 30 min) Operating temperature -40 - 160 Powered by CR2032 lithium button Click value @ 100 Yard: ½ MOA Field of view: 115.5 - 14.1 feet @ 100 yards Eye relief: 3.7 - 3.5” Parallax: Fixed, 100 yards Objective lens: 28mm Rating: Up to .338 Lapua Magnum Weight 25.3 ounces Length: 10.5” Main tube diameter: 34mm German and Japanese glass Precision ground glass, coated with 11 layers