The ZEISS Terra® ED binoculars in black, gray and green.
The ZEISS Terra® ED binoculars are robust, reliable and easy to use. Thanks to its sophisticated and streamlined design, it is not only extremely light but also wonderfully compact. The highest optical precision and multi-coating guarantee brilliant images down to the smallest detail. The Terra ED binoculars are water-resistant and nitrogen-filled, making them prepared for all conditions. The Terra ED binoculars offer excellent value for money, making them an ideal entry-level model into the world of ZEISS.
A clear image, exceptional resolution of details and comfortable display properties. In combination with optimal ease of use, these properties describe the exceptional features of the Terra ED 42.
88% Light transmission
SCHOTT ED glass with a hydrophobic, multi-coating provides optical clarity and precision in all situations.
Comfortable, fast focus
The large, smooth and easy-to-grip focusing wheel makes focusing particularly easy and fast on a ZEISS Terra ED. You will notice the benefits of the Terra ED binoculars as soon as you pick them up: your index finger automatically lands on the focus wheel. Never again will you have to think about how to hold the binoculars when something exciting happens right in front of you. You will have it in focus in no time.
Compact, light and robust
A clear view, whatever the weather
Performance
| magnification | 10 × |
| Effective lens diameter | 42mm |
| Exit pupil | 4.2mm |
| Twilight number | 20.5 |
| Field of view at 1,000 m (yds) | 110 m (330 ft) |
| Subjective viewing angle | 60° |
| min. focus distance | 1.6 m (5.3 ft) |
| Dioption range | 3.0 | + 3.0 dpt |
| eye relief | 14mm |
| pupil distance | 58 – 75.5mm |
| Lens type | ED |
| Prism System | Schmidt-Pechan |
Characteristics
| LotuTec | Filled with nitrogen | – | + |
| Water resistance | 100 mbar |
Physical
| Operating temperature | − 15°C | + 60°C (+ 5°F | + 140°F) |
| Length | 142mm (5.6″) |
| Width at a pupillary distance of 65 mm | 120mm (4.7″) |
| Weight | 725g (25.6oz) |
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