Steiner M7XI 2.9-20x50mm Rifle Scope with a 34mm tube and First Focal Plane reticle MSR2. Features IFS intelligent firing solution with a configurable display, built-in ballistic calculator and sensor suite, Bluetooth connectivity for smartphone setup, and a modular optics platform. Includes standard items: lens cleaning cloth, lens caps, battery, and manual. Specifications: objective diameter 50 mm, magnification 2.9-20x, tube diameter 34 mm, exit pupil 2.5-9.18 mm, eye relief 3.2-3.4 in, parallax adjustable, illumination LED with red color, weight 32.5 oz, length 13.8 in, battery type CR2032, lens material glass, focus range 50 m to infinity, waterproof and fogproof.