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Nikon

Nikon 8x42 Monarch ATB Water Proof Roof Prism Binocular with 6.3° Angle of View, Black, U.S.A

SKU: NK842RP MFR: 7430
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About the Nikon 8x42 Roof Prism

The 8x42 and 10x42 Monarch ATB both feature an advanced roof prism optical design. It incorporates Nikon's exclusive Eco-Glass (made without the use of arsenic or lead) for all lens and prism elements. Prisms feature phase-correction coatings and high reflection mirror coatings for superior sharpness and resolution, and all lenses and are fully coated with multiple layers of anti-reflective compounds for maximum light transmission. The result is much improved low-light brightness, edge-to-edge sharpness, and definition.

Nikon's Monarch ATB series available in eight and ten power models, both with 42mm objective lenses, allowing for a 5.3mm exit pupil in the 8x model and a 4.2mm exit pupil in the ten power model. Each model close focuses down to just eight feet. The ten power model has a field of view of 314' @ 1,000 yards and the eight power possesses a 330' field @1,000 yards.

Built with an extremely durable alloy body housing, the Monarch ATB is ruggedly constructed for true waterproof, fogproof and shockproof performance. The 8x42 Monarch ATB measures just 5.7"x5" long and weighs 21.3 ounces, while the 10x model is only 5.6"x5" and weighs 21.1 ounces.

Ergonomic styling, mated with a rubber armored exterior provides added shock resistance and a firm grip, wet or dry. Turn and slide rubber eyecups, complemented by long eye relief, allow the binoculars to be used as comfortably by eyeglass wearers as those with uncorrected vision. A large central focus wheel and adjustable diopter make focus easy to achieve and maintain, even while wearing gloves.

The Nikon 8x42 Roof Prism is commonly used for Bird watching and more.The Nikon 8x42 Roof Prism is most used by customers who consider themselves to be a Casual/ recreational among others.The Nikon 8x42 Roof Prism is popular because customers like the following qualities of the Nikon 8x42 Roof Prism: Close focus, Compact, Quality lenses and Strong construction.

Nikon 8x42 Roof Prism Includes

  • Soft Case with Belt Loop
  • Strap
  • Rainguard
  • lens caps
  • Nikon 25 Year Limited Warranty
  • Lifetime $10.00 No-Fault Repair/Replacement Policy

Summary of Customer Reviews

(6)
Customers most agreed on the following attributes:
Pros:
Strong construction (6) , Quality lenses (6) , Close focus (4) , Compact (4) , Works well with glasses (3) , Lightweight (3)
Best Uses:
Bird watching (5)
Reviewer Profile:
Casual/ recreational (4) , Avid adventurer (2)

Nikon 8x42 Roof Prism Features

  • 100% Waterproof/Fogproof/Shockproof
  • Ultra-rugged, rubber-armored, roof-prism design
  • Extended eye relief and central focus for viewing convenience
  • Fully Multicoated lenses for bright, clear images
  • Precision aligned optics for extended viewing

Nikon 8x42 Roof Prism Specifications

Type of Prism Roof prism
Coating Multi-Coated Lens
Real Angular Field of View 6.3°
Field of View at 1000 Yards 330'
Exit Pupil 5.3 mm
Eye Relief 19.6 mm
Relative Brightness 28.1
Twilight Factor 18.3
Close Focus Distance (ft) 8.2'
Rubber Coated (Armored) Yes
Waterproof / Fogproof Yes
Dimensions L x W 5.7x5.0"
Weight 21.3 oz.
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