Zeiss's gray-black 10x25 Terra ED Compact Binocular gives you a competent and compact optic that fits easily in the palm of your hand. A combination of technologies work together to produce bright and clear images with increased contrast and true color rendition that include: Schmidt-Pechan roof prisms, Schott extra low-dispersion (ED) glass, and anti-reflection fully multicoated optics. The Terra ED is offered here in a10x power, which walks the delicate line between an increased viewing distance over lower magnification optics, while maintaining a useful field of view.
The lightweight housing is nitrogen-filled and o-ring sealed enabling it to withstand use in wet and snowy weather, and the rubberized armor offers protection from impacts while providing a slip-resistant grip. The Terra's double-hinge closed-bridge design allows it to fold compactly for an easy fit in most pockets or packs, while the knurled center focus wheel enables fast focusing. Twist-up eyecups make it comfortable to use with or without eyewear.
Features
- Extra Low-Dispersion Glass Objectives
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Schmidt-Pechan roof prisms
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Zeiss Hydrophobic Multicoated Optics
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52° Apparent Angle of View
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Nitrogen-Filled, Water and Fogproof
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Closed Bridge Configuration
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Center Focusing
- Twist-Up Click-Stop Eyecups
- Optical Performance
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- 10x magnification
- 25mm objective lenses
- Schmidt-Pechan roof prisms
- Extra Low-Dispersion (ED) glass: Corrects chromatic aberration for true color rendition and improved contrast
- Proprietary Zeiss hydrophobic and anti-reflection fully multicoated optics
- Apparent angle of view: 52°
- 357' field of view at 1000 yd
- Use and handeling
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- Closed-bridge configuration
- Knurled center focus wheel
- Twist-up rubber eyecups
- +3/-3 right eye dioptric correction, center adjustment wheel
- Interpupillary adjustment range: 35-72mm
- 16mm long eye relief
- 3.1mm exit pupil
- Construction
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- Protective rubber armored grips
- Nitrogen-filled for water and fogproof performance
- Test to 100mbar of pressure against ingress of water
- Functional temperature range: 4 to 145°F (-15 to 62°C)
- Weight: 309 g
Specifications
| Prism Type | Roof |
| Magnification | 10x |
| Objective Lens Diameter | 25mm |
| Angle of View | 52° (apparent) |
| Field-of-View | 118.52 m @ 1000 m |
| Minimum Focus Distance | 1.89 m |
| Exit Pupil Diameter | 3.1 mm |
| Eye Relief | 16 mm |
| Interpupillary Adjustment | 35 - 72 mm |
| Dioptric Correction | +3 / -3 |
| Focus Type | Center |
| Tripod Mount | None |
| Dimensions | 11.43 x 11.18 cm |
| Weight | 309 g |