The EVX line is re engineered to top the generation I flagship Viper line first introduced back in 2006. The new Optisan EVX Line is designed and engineered for precision air rifle, rimfire and medium caliber center fire target shooting with range from 10 yards to 150 yards. The GEN II redesigned optical system has a 25% larger field of view with generous eyebox which shooters will find it handy encountering quick target acquisition. The eye relief is from 3.7 inches and is consistent throughout the magnification range so the head position stays steady. Optisan is now offering EVX range in both second and first focal plane. All EVX scopes now comes in mil/mil matching turret / reticle and a redesigned mil-hash reticle for long range holdover!