The Zeiss Terra ED 8x42 Ltd Edition Orange Binoculars are lightweight, reliable and easy to use. Their state-of-the-art and sleek design makes them comfortably compact. They incorporate famous SCHOTT ED glass, with multi-coated lenses that guarantee brilliant images down to the very last detail - and are protected with hydrophic lens coating. The Terra ED binoculars are waterproof and nitrogen-filled, making them rough and ready. Terra ED binoculars are constructed with a fiberglass frame.