Hawke Sport Optics Nite Eye Digital 4-16x50mm Rifle Scope is a reliable, mid- to long-range rifle scope that operates at its best in low light conditions. The combination of a wide 50mm objective lens and fully multi-coated optics gives this Hawke Sport Optics rifle scope excellent light transmission rates, allowing for clear, bright images at all hours. The dual illuminated reticle of the rifle scope features 24 easily adjustable brightness settings, and it can be illuminated in either red or blue for perfect visibility all the time. The Hawke Optics NiteEye Digital 4-16x Fully Multi-Coated Riflescope features side focus parallax adjustment for those long-distance shots at 16x, and its windage and elevation turrets are finger-adjustable and low profile, so they won't snag on obstacles while you're on the hunt. Hawke Sport Optics has designed the single-piece tube of the scope for maximum durability, with fully waterproof, shockproof, and fog proof construction. For a sturdy rifle scope that's at its best when the light is at its worst, choose the Hawke Nite-Eye Digital 4-16x50 Red / Blue Illuminated Scope.