Hawke Sport Optics Vantage SF 4-16x44 1/2 Mil Dot Riflescope 11 layer fully multi-coated optics for maximum clarity Side focus control for parallax adjustment to infinity 1 inch mono-tube chassis for superior strength 1/4 MOA low profile no-snag fingertip turrets Fast focus eyebell and high torque zoom ring / Threaded objective/ocular for optional accessories