DBPOWER 8x40 Waterproof Binocular -- Super Clear and Sharp View, Quick Focus, Folding roof binoculars Non-slip rubber armor and Soft Texture Grip absorbs shock and provides a firm grip. 8X magnification and 40-Millimeter objective diameter, 13-foot close focus distance. 18.5-Millimeter eye relief, 5-millimeter exit pupil, 337-Feet field of view at 1000 yards. Large center-focus knob for easy adjustments. Twist-up eyecups, Black bag and adjustable strap come with the binoculars. Lightweight, easy to carry. Limited lifetime warranty.