BSA Essential 3-9x40mm Air Rifle Scope with 30/30 Duplex Reticle, Adjustable Objective and Target Turrets: * Features: * Fully multi-coated optics * Adjustable objective focuses down to 10 yds * Rubber-inlaid adjustments * Fogproof, shockproof and waterproof * Magnification: 3-9x * Object lens diameter: 40 * Field of view at 100 yds: 33-11 * Parallax setting: 10 to infinity * Click adjustment value: 1/4 * Adjustment range: 40-40 * Weight: 5 oz * Dimensions: 15.2"H x 2.5"W x 7.0"H * Model# AR3X40AOCP