The Nightforce NX8 1-8x24mm F1 is an extremely compact and lightweight low power variable optic that is ideasl for carbines and featherweight rifles.The Nightforce NX8 1-8x24mm F1 is an excellent compact and lightweight optic for carbines or featherweight hunting rifles. The 8x magnification offers crisp images at extended ranges. The true 1x magnification and daylight visible illumination are ideal for closer engagements at red dot speeds. The built-in Power Throw Lever makes changing magnification fast and easy.