The Competition(TM) now includes ZeroStop(TM) and Hi-Speed(TM) adjustments as standard equipment. Two fast, easy-to read windage caps are included with every riflescope, so you can tailor the Competition(TM) to your style of shooting. ED glass, for superb color contrast correction and high resolution. A remarkable 92% light transmission, approaching the maximum ever achieved in any riflescope. Fast-focus European-style eyepiece. Just 27.8 ounces in weight-24% lighter than our 12-42 x 56 Benchrest, and over 20% lighter than our former 12-42 x 56 NXS(TM) riflescopes. The list goes on. Side parallax adjustment from 25 yards to infinity. H Mfg: Nightforce