Bushnell 456240 Elite 4500 Riflescopes Series Multi-X Box, 6-24 X 40, Matte 6-24 times magnification, 40mm objective lens, multi-x reticle Fully multi-coated optics with rain guard HD coating and Ultra wide band coatings Magnum recoil-proof construction in a one-piece 1 inch tube Argon purging ensures 100% waterproof, Fog proof and shock proof performance Fingertip, audible and Resettable windage and elevation adjustments and side Parallax adjustment