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.
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 and 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. Light-weight, easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion.
A clear view, whatever the weather
ZEISS hydrophobic anti-reflective coating is a guarantee of brilliant, high-contrast images which you will experience above all in adverse light conditions. Additionally, it enables a clear and unhindered view in all weather conditions thanks to its water-repellent characteristics.
Performance
| Magnification | 8 × |
| Effective lens diameter | 42 mm |
| Light transmission | 88% |
| Exit pupil diameter | 5.3 mm |
| Twilight factor | 18.3 |
| Field of view at 1,000 m (yds) | 125 m (375 ft) |
| Subjective viewing angle | 56° |
| Close focusing distance | 1.6 m (5.3 ft) |
| Diopter adjustment range | − 3.0 | + 3.0 dpt |
| Exit pupil distance | 18 mm |
| Pupil distance | 58 – 75.5 mm |
| Lens type | ED |
| Prism system | Schmidt-Pechan |
Features
| LotuTec | Nitrogen filled | - | + |
| Water resistance | 100 mbar |
Physical
| Operating temperature | − 15°C | + 60°C (+ 5°F | + 140°F) |
| Length | 142 mm (5.6 ") |
| Width at an interpupillary distance of 65 mm | 120 mm (4.7 ") |
| Weight | 725 g (25.6 oz) |