SIII 10-50x60mm Long Range Scope - Illuminated MOA ReticleManufacture ID: SIIISS1050x60LRIRMOASIII SS 10-50x60LRIRMOA RiflescopeFeatures:- All scopes in the SIII series feature a 30mm one-piece Main-Tube made from high quality Aircraft aluminum. Tube thickness is more than twice as thick as one inch models to provide maximum rigidity. All models are fogproof shockproof and waterproof.- Side Parallax Focus: Designed for ease of use in prone and bench shooting the side focus will focus from 10-40 yards to infinity depending on the specific model. - All Sightron SIII LR Series Riflescopes feature ZACT-7 seven layer multi-coating with precision ground glass. These lenses provide superior light transmission and resolution for the ultimate in performance.- European style fast focus eyeball accompanies all SIII SS Long Range Models. A quick turn of the eyeball allows the user to focus in a matter of seconds. Tweaking the eye focus is just a s