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Green roof-prism binoculars with large focus wheel and rubber armouring

Carl Zeiss

Carl Zeiss Terra ED 8x42 Binocular Green 524203-9908-000

SKU CH-M4PP-M8NFM

Compact 8x42 roof-prism binocular with 88% light transmission, hydrophobic multi-coated ED glass, fast-focus wheel, waterproof fibre-reinforced body, and 375 ft field of view at 1,000 yd

  • Part type or number524203-9908-000
  • AccessoryBinocular, Eyepiece cover, Neoprene strap, Bag
  • Field of view375 ft (114 m)
  • Overall magnification8 multiplier x
  • Product typeRoof Prism
  • DetailsMulti-Coated
  • Sharp, high-contrast views from 88 % light transmission
  • Hydrophobic multi-coating keeps images clear in wet weather
  • Large smooth focus wheel gives fast, precise focusing
  • Waterproof glass-fibre reinforced body is compact and robust
  • 8× magnification with 42 mm lenses and 375 ft field of view at 1,000 yd

Terra ED 8x42 Roof Prism Binoculars

The Carl Zeiss Terra ED 8x42 is a roof prism binocular designed for bird watching, hunting and general sightseeing. Its green waterproof housing is reinforced with glass fibres for durability in outdoor conditions. The 8x magnification and 42 mm effective lens diameter suit users who want a bright, steady image without excessive bulk.

Upgrade from entry-level or compact models

Buyers moving up from smaller aperture or single-coated optics will notice the 88 percent light transmission and hydrophobic multi-coating on SCHOTT ED glass. The jump is worth it when observing in low light or wet weather where glare and water droplets degrade the view. Those who already own premium 8x42 ED binoculars with similar transmission figures will see less difference.

8x magnification with 5.3 mm exit pupil

The 5.3 mm exit pupil and 18 mm eye relief comfortably handle dawn, dusk and spectacle wearers while delivering a 375 foot field of view at 1000 yards. The 3.1 mm near-focus distance supports close observation of insects or flowers. Users needing higher magnification for distant detail or a wider field for fast-moving subjects will find the fixed 8x configuration limiting.

How it compares

Measured against everything we stock in Binoculars, Scopes & Sights, at today’s prices. Recalculated every night.

Price $402.99
Pricier than about 78% of the 1,401 comparable items (median $93.99).

Specifications

Product
Brand nameZeiss
Model nameTerra ED
Part type or number524203-9908-000
Product typeRoof Prism
Product colorGreen
Audio & video
Field of view375 ft (114 m)
Power
Battery typeNo
Size & build
Size or dimensions15.0 in × 4.7 in × 5.5 in
In the box
AccessoryBinocular, Eyepiece cover, Neoprene strap, Bag
More details
Overall magnification8 multiplier x

Questions about this item

How much space do the 15.0 in x 4.7 in x 5.5 in binoculars need in a bag?

The roof-prism body measures 15.0 in long, 4.7 in wide and 5.5 in high, so it fits in most day-packs or the supplied pouch.

How do I set the 18 mm eye relief for my eyes, and what step do people skip?

Twist the eyecups up if you wear glasses or down for bare eyes until the full 18 mm relief gives a vignette-free view; the skipped step is re-checking after the diopter is set.

What upkeep does the hydrophobic multi-coated glass need over time?

Rinse salt or sand with fresh water, then wipe the lenses with a microfibre cloth; the coating resists water spots, so no special fluids are required.

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