3x zoom in a 1-inch rifle scope; 50 mm objective for enhanced low-light performance; Tried and tested optic based on the tested AV line of scopes; Large field of view; Centered reticle in the second image plane; Rapid diopter adjustment; Microstructure surface: precisely defined ribbing to prevent residual reflections inside the tube for bright, high-contrast images; Swarotop coatings: anti-reflective multicoating enhances light transmission; Swarodur coating: protective scratch-resistant coating on external lens surfaces; Nitrogen purged - waterproof to 13.0'/4.0 m