Nikon PROSTAFF 5 NP Riflescope, Black, 4.5-18x40 Features a 4-time zoom ratio and long, generous eye relief Adjustments are made easy with Spring-Loaded Instant Zero-Reset Turrets Made with Nikon's fully multicoated optics for maximum brightness and light transmission A quick focus eyepiece allows the shooter to instantly bring the reticle into focus Optimized for use with Nikon's Spot On Ballistic Match Technology