Zeiss Terra ED binoculars are robust, reliable and easy to use. Their state-of-the-art and sleek design makes them not only light but comfortably compact. The highest optical precision and the hydrophobic multicoating guarantee brilliant images down to the very last detail. The Terra ED binoculars are waterproof and nitrogen-filled, making them rough and ready. Terra ED binoculars are excellent value for money, making them the perfect entry into the world of Zeiss. A bright image, outstanding resolution of details and comfortable viewing characteristics. In combination with optimum ease of handling, these perfectly describe the outstanding properties of the Terra ED 42. 88% Light Transmission ED glass with a hydrophobic multi-coating provides optical clarity and precision in all situations Operating temperature:15°C | + 60°C (+ 5°F | + 140°F) LotuTec | Nitrogen filled: - | + Water resistance: 100 mbar Weight 725 g Dimensions Length: 142 mm (5.6 ") Width at an interpupillary distance