Alpen Teton 8x42 Binoculars with Abbe Prism

Features Recommended by the birding staff of "On the Wing" HD – High definition, ED – Extra low dispersion optical system Abbe prisms with Alpen’s exclusive SHR metallic coating for bright, sharp, high-resolution images A-lock diopter system allows you to set and lock the right eyepiece to fit your personal eye setting PXA phase coating for outstanding clarity and contrast Fully multi-coated for maximum brightness Long eye relief provides full viewing performance for eyeglass wearers Waterproof, sealed, and nitrogen filled for guaranteed internal fog-free performance Twist-up eyecups Cleaning Pen Included Description The Teton binocular series delivers incredible optical performance in a lightweight yet durable body design. With ED and Abbe prism optical design, Teton delivers a bright and sharp viewing with true color fidelity at an affordable price. Our exclusive PXA phase coating and SHR metallic coating on Abbe prism is featured for an exquisitely bright and crisp image. The composite body design provides light weight, yet durable, performance for years of field tough performance. Compare Alpen to competitors that cost two or three times more, you won’t believe your eyes. Video Specs Item Number 81 Magnification 8x Waterproof Yes Field of View 390FT / 129M Lens Coatings Fully Multi-Coated Focuser Type Center Objective Lens Diameter 42mm Eye Relief 17.3mm Close Focus 3ft Housing Magnesium Prism Abbe Roof Light Transmission 92 Eyecup Type Twist-Up Weight 28oz Manual To download printable PDF manual Click Here Warranty USA Limited Lifetime Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)