* Nitrogen-filled, waterproof design for use in extreme weather conditions * Central fingertip control locks in diopter adjustment * Black rubber housing protects against dust and scratches * Revolutionary dual-axis, single body housing with synchronized eyepiece adjustment to assure correct optical alignment for comfortable viewing * Fast and easy adjusting center focusing for handling ease * Slide-style eyepiece rings for quick adjustment of eye relief * Fully multi-coated optical eliminate harmful UV rays while improving light transmission and contrast with no flare or glare * Inverted porro-prism design results in compact, light-weight body * High-quality BaK4 prisms for maximum light transmission and illumination Specifications:* Objective lens diameter: 25mm * Real field of view: 6.2 degrees * Apparent field of view: 50 degrees * Field of view at 1000 yards: 324 ft. * Exit pupil: 3.1mm * Relative brightness: 9.6 * Eye relief: 15mm * Weight: 12.3 oz. * Dimensions: 4.3" H x 4.6"W * Model:62608 Includes:* Eyepiece lens cap * Case * Strap