With precision ground glass lenses and Sightron’s 7-layer multi-coating on all internal surfaces, these scopes offer the ultimate in light transmission and clarity. The ExacTrack windage and elevation turret system offers precise repeatable dialing while the tube wall thickness is more than twice as thick as one inch models to provide maximum rigidity. The Side Parallax focus is designed for ease of use for prone and bench shooting and makes this scope ideal for in the field range finding when used with a side wheel.