SPECS: 4-16x magnification, 40mm objective, FIELD OF VIEW: 26'-7', WEIGHT: 18.6oz, LENGTH: 14.4", EYE RELIEF: 3.5", EXIT PUPIL: 10mm-25mm. Adjustable Objective - Sunshade - Parallax Focus from 10yd-Infinity - The Ultimate Varmint, Airgun & Precision Shooting Scope.