14 layer Fully Multi-Coated; Wide Angle optical system; 30mm mono-tube chassis for superior strength; Locking speed adjuster ring - 250 fps to 475 fps; Fixed parallax distance of 50 yards / 46 metres; Glass etched reticle with red and green illumination; Rheostat on saddle offers 5 levels of brightness; 1/2 MOA low-profile no-snag fingertip turrets; Fast focus eyebell and high torque zoom ring; Threaded objective for optional accessories