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ZEISS 10x25 Terra ED Compact Binocular

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Sleek and stylish with a gray body and black accents, ZEISS's 10x25 Terra ED Compact Binocular gives you a competent and compact optic that fits easily in the palm of your hand and looks good while it's there. A combination of technologies work together to produce bright and clear images with increased contrast and true-color rendition. They include: Schmidt-Pechan roof prisms, SCHOTT extra-low dispersion (ED) glass, and anti-reflection fully multi-coated optics. The Terra ED is offered here in a 10x 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.


Optical Performance

  • 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 multi-coated optics
  • Apparent angle of view: 54°
  • 291' field of view at 1000 yd

Use and Handling

  • 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
  • 2.5mm exit pupil

Construction Details

  • Sleek & stylish with a gray body and black accents
  • 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: 10.9 oz
Performance Magnification 10x Objective Lens Diameter 25 mm Angle of View 54° (Apparent) Field of View 291' @ 1000 yd / 96.61 m @ 1000 m Minimum Focus Distance 5.7' / 1.74 m Exit Pupil Diameter 2.5 mm Eye Relief 16 mm Interpupillary Adjustment 35 to 72 mm / 1.4 to 2.8" Diopter Adjustment -3 to +3 Focus Type Center Features Fogproof Yes, Nitrogen Filled Water Resistance Waterproof General Dimensions 4.5 x 4.4" / 11.4 x 11.2 cm Weight 10.9 oz / 309 g Packaging Info Package Weight 1.545 lb Box Dimensions (LxWxH) 7.3 x 5.75 x 3.35"