ZEISS Terra ED Binoculars 10x42
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A Practical Entry into ZEISS Optics
The Terra ED 10x42 brings ZEISS optics into a straightforward full-size binocular for hunting and field observation. Its 10x magnification gives you useful reach for picking out detail at distance, while ED glass and 88% light transmission form the main optical system.
ZEISS T* anti-reflective coating is designed around bright, high-contrast viewing, while the LotuTec hydrophobic coating gives the lens surfaces water-repellent characteristics. Together, they support a clear view when light and weather conditions change.
Quick Focusing in the Field
The large central focus wheel is designed to sit naturally beneath your index finger, making it easy to adjust focus as the subject or distance changes. A 1.6 m close-focus distance also gives the Terra ED useful flexibility when you move from distant observation to nearby detail.
The casing is reinforced with glass fibre, waterproof and nitrogen-filled. Water resistance is rated to 100 mbar, giving the Terra ED a field-ready construction to match its optical setup.
Key Features
- 10x42 viewing format: Combines 10x magnification with 42 mm objective lenses for detailed observation at distance.
- 88% light transmission: ZEISS rates the Terra ED optical system at 88% light transmission, paired with ED glass.
- ZEISS T and LotuTec coatings:* T* supports high-contrast viewing, while LotuTec provides water-repellent characteristics on the lens surfaces.
- 1.6 m close focus: Allows nearby subjects to be brought into focus without giving up the reach of the 10x format.
- Large central focus wheel: Positioned for easy index-finger operation when changing focus.
- Waterproof, nitrogen-filled construction: Uses a glass-fibre-reinforced casing with water resistance rated to 100 mbar.
Specifications
| Specification | Detail |
| Brand | ZEISS |
| Model | Terra ED 10x42 |
| Product Type | Binoculars |
| Magnification | 10x |
| Objective Lens Diameter | 42 mm |
| Light Transmission | 88% |
| Exit Pupil Diameter | 4.2 mm |
| Twilight Factor | 20.5 |
| Field of View at 1,000 m | 110 m |
| Angular Field of View | 60 degrees |
| Close Focusing Distance | 1.6 m |
| Focus System | Central focus wheel |
| Eye Relief | 14 mm |
| Interpupillary Distance | 58-76 mm |
| Dioptre Adjustment | -3.0 to +3.0 dpt |
| Optical Glass | ED glass |
| Optical Coatings | ZEISS T* anti-reflective coating, LotuTec hydrophobic coating |
| Nitrogen Filled | Yes |
| Water Resistance | 100 mbar |
| Housing | Glass-fibre-reinforced waterproof casing |
| Operating Temperature | -15 C to +60 C |
| Length | 142 mm |
| Width | 120 mm at 65 mm interpupillary distance |
| Weight | 725 g |
| Colour | Black |
| SKU | ZET-524204-9901 |















