Night Owl Optics Night Shot 19/1 RiflescopeFeatures: Generation 1. All glass optics. Aperature: 1:1.2. 1.9x magnification. Cleaner field of view. 500x light amplification. Range of view: 583 feet. Illuminated "Mil-Dot" reticle. Adjustable brightness reticle. Shock resistant on large calibers. Low distortion and high light transmission. Accepts weaver mount ergonomic control cluster. Top-mount lever internal focus mechanism. 3-stage focusable infrared illuminator. 80m + meter viewing distance. Uses 3v lithium batteries. Durable construction. Weighs 32 ounces.