Top performance, affordable price. Fully multicoated optics deliver incredible 99.5% light transmission at the lens for bright, well-defined images in all light conditions. Rugged 1-pc. 5052 aluminum construction, with full metal-to-metal contact in the erector tube for precise finger windage and elevation adjustment at 1/4–1/6-MOA. Easy-grip power ring; focusable eyepiece; nitrogen-purged for waterproof/fogproof performance. Includes lens caps and RedHead lens pen.