Expanded Specifications Zeiss Terra ED Pocket 10x25 Binoculars
| Performance | |
| Magnification | 10 × |
| Effective lens diameter | 25 mm |
| Light transmission | 88% |
| Exit pupil diameter | 2.5 mm |
| Twilight factor | 15.8 |
| Field of view at 1,000 m (yds) | 97 m (291 ft) |
| Subjective viewing angle | 54° |
| Close focusing distance | 1.9 m (6.2 ft) |
| Diopter adjustment range | − 3.0 | + 3.0 dpt |
| Exit pupil distance | 16 mm |
| Pupil distance | 35 – 72 mm |
| Lens type | ED |
| Prism system | Schmidt-Pechan |
| Features | |
| LotuTec | Nitrogen filled | + | + |
| Water resistance | 100 mbar |
| Physical | |
| Operating temperature |
− 20°C | + 63°C (- 4°F | + 145°F)
|
| Length | 111 mm (4.4 ") |
| Width at an interpupillary distance of 65 mm | 115 mm (4.5 ") |
| Weight | 310 g (10.9 oz) |
