88% LIGHT TRANSMISSION - SCHOTT ED - glass with a hydrophobic multi-coating provides optical clarity and precision in all situations | COMFORTABLE, FAST FOCUSING - The large, smooth and easy-to-grip focus wheel makes focusing particularly easy and, most of all, quick on a ZEISS Terra ED. You'll notice the advantages of Terra ED binoculars as soon as you pick them up: your index finger automatically lands on the focusing wheel. You'll never again need to think about how you hold the binoculars when something exciting suddenly happens in front of you. In next to no time, you'll have it sharply in focus | COMPACT, LIGHT & ROBUST - With its its waterproof casing reinforced with glass fibers, the ZEISS Terra ED satisfies the high standards of nature lovers. The construction is compact, light and robust. Easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion | ZEISS T* COATING - Guaranteed brilliant, high-contrast images, particularly in adverse light conditions and twilight. The coating is tuned to each lens individually for maximum clarity | A CLEAR VIEW IN ANY WEATHER - There are always exciting things to be seen in the world of nature, even in wet weather. ZEISS developed LotuTec as a coating for binoculars and scopes that enables a clear and unhindered view in all weather conditions