Nikon Action Ex Extreme 8 X 40 mm All Terrain Binoculars Bright, multicoated lenses and BaK4 high index prisms: Deliver bright, high-resolution images. Long eye relief: For a clear and comfortable view, especially for people who wear eyeglasses. Smooth central focus knob: Fast range of focus for quick viewing. No bird goes unseen. Ergonomic body design: Comfortable for extended viewing. Waterproof/fogproof: Nitrogen filled and O-ring sealed. Unique click-stop, twist-out eyecup design: Delivers both long eye relief and variable eye relief to customize these binoculars to your eyes and accommodate glasses. Durable and protective, rubber-armored coating: Provides a sure, non-slip grip, wet or dry. Price new $179. Here used for $75. Excellent condition, very nice field of view. Good for beginner birders.