BSA Goldstar 3-18x44mm 6X Zoom EZ Hunter Rifle Scope: * Features: * Black matte finish * Fully multi-coated optics * Generous 4" eye relief * 6X zoom range * Waterproof, fogproof and shockproof * Fast-focus eyepiece * Object lens diameter: 44mm * Field of view at 100 yds: 40-6.8 * Parallax setting: 25 to infinity * Click adjustment value: 1/4 * Adjustment range: 30-30 * Weight: 1.79 oz * Dimensions: 16.1"L x 3.9"W x 2.9"H * Model# GS318X44SP