Nikon 8445 Omega 1.65-5x36 Slughunter Scope One of the most exciting items that Nikon has to offer. Features an increased exit pupil for better low light performance and a 75 yard parallax setting. To the millions of hunters who take a slug gun into the deer woods on every hunt, Nikon has redefined the effective shooting range of your big bore hunting tool. Engineered to extend your ethical hunting range beyond anything you thought possible.Designed to be sighted in on the crosshair at 50 yards, has two "ballistic circles" that represent 100 yard and 150 yard aiming points. For exceptionally accurate gun and load combinations, the lower reticle post becomes a 200-yard aiming point as well. After sighting-in the crosshair at 9x, determine the distance to your target with a rangefinder and use the appropriate ballistic circle.