Our best birding binocular features 8-power magnification and superior ED optics for clear, detailed daytime views of birds, wildlife, and more, Extra-low dispersion (ED) optics, phase-coated BAK-4 prisms, and fully multi-coated lenses provide exceptional views, Wide 6.5-degree field-of-view and comfortable 19.5mm eye relief, Waterproof optics ensure peak performance in almost any weather, Weighs just 1.5 lbs. for easy portability with a rugged open-hinge design, 8x42 ED Waterproof.