Bright Image, Outstanding Resolution. Comfortable Viewing Characteristics. 

ZEISS Terra® ED binoculars are lightweight, reliable and easy to use. Their state-of-the-art and sleek design makes them comfortably compact. They incorporate famous SCHOTT ED glass, with multi-coated lenses that guarantee brilliant images down to the very last detail - and are protected with hydrophic lens coating. The Terra ED binoculars are waterproof and nitrogen-filled, making them rough and ready. Terra ED binoculars are constructed with a fiberglass frame. They serve as the perfect entry into the world of ZEISS.
 

Features:

• 88% Light Transmission: ED glass with a hydrophobic multi-coating provides optical clarity and precision in all situations.
• Comfortable and Fast Focusing: The large, smooth and easy-to-grip focus wheel makes focusing particularly easy and, most of all, quick on a ZEISS Terra ED. You'll notice the advantages of Terra ED binoculars as soon as you pick them up: your index finger automatically lands on the focusing wheel. You'll never again need to think about how you hold the binoculars when something exciting suddenly happens in front of you. In next to no time, you'll have it sharply in focus. 
• Compact, Light, and Robust: With its its waterproof casing reinforced with glass fibers, the ZEISS Terra ED satisfies the high standards of nature lovers. The construction is compact, light and robust. Light-weight, easy to fit into any bag and nearly indestructible, the ZEISS Terra ED is the perfect companion.
• A Clear View No Matter the Weather: ZEISS hydrophobic anti-reflective coating is a guarantee of brilliant, high-contrast images which you will experience above all in adverse light conditions. Additionally, it enables a clear and unhindered view in all weather conditions thanks to its water-repellent characteristics.
• Nitrogen Filled and Water Resistance of 100 mbar. 
   

Specifications: 

• Magnification: 10x
• Effective Lens Diameter: 42 mm
• Light Transmission: 88%
• Exit Pupil Diameter: 4.2 mm
• Twilight Factor: 20.5
• Field of View at 1,000 Yards: 330 ft
• Subjective Viewing Angle: 60°
• Close Focusing Distance: 5.3 ft
• Diopter Adjustment Range: − 3.0 | + 3.0 dpt
• Exit Pupil Distance: 14 mm
• Pupil Distance: 58 - 75.5 mm
• Lens Type: ED
• Prism System: Schmidt-Pechan 
• Color: Coyote Brown/Black
   

Physical Attributes:

• Length: 5.6" (142 mm)
• Width: 4.7" (120 mm)
• Weight: 25.6 ox (725g)
• Operating Temperature: 5°F - 140°F