Wide Angle optical system 11 layer Fully Multi-Coated optics for excellent clarity Fixed parallax distance of 100 yards / 91 metres 30mm mono-tube chassis for superior strength Glass etched reticle with red and green illumination Rheostat on saddle offers 5 levels of brightness ¼ MOA low-profile no-snag fingertip turrets Fast focus eyebell and high torque zoom ring Threaded objective/ocular for optional accessories