KOP1011 Features: * Rapid Target Technology (RTM): Large exit pupil for quick target acquisition * Fully multicoated optics * 3.75"" eye relief for all magnifications * Waterproof / fogproof / nitrogen processed * One piece 1"" main tube mounting diameter * Protective quick release cover * Power: 4x-16x * Objective Diameter: 40mm * Main Tube Diameter: 1"" * Field of View (ft/100yds): 24"-6" * Focus: 50yds * Eye Relief: >25yds * Exit Pupil: 10-2.5mm * Wd/El (MOA): 0.13" * Adjustment Range (wd-el): 44-44 * Reticle Pattern: BDC Construction: * Engineered for easy and effective use * U.S. engineered and assembled Dimensions: * 0.25" and 0.13" windage / elevation adjustments with clicks * Dimensions: 8"" H x 6"" W x 19"" D