Nikon 18x70 Astroluxe Binoculars

BH #NI18X70AS • MFR #8210
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Nikon 18x70 Astroluxe Binoculars
Key Features
  • Optimized for Wide-Field Astronomy
  • BAK4 Traditional Porro Prisms
  • Fully Multicoated Optics
  • Nitrogen-Filled Water and Fogproof
Engineered for wide-field astronomy such as enjoying stunning views of the moon, picking out your favorite constellations, comet hunting, satellite spotting, or watching for iridium flares, the Nikon 18x70 Astroluxe Binoculars are an ideal companion for dark and starry nights.
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Nikon Astroluxe 18x70 Overview

Engineered for wide-field astronomy such as enjoying stunning views of the moon, picking out your favorite constellations, comet hunting, satellite spotting, or watching for iridium flares, the Nikon 18x70 Astroluxe Binoculars are an ideal companion for dark and starry nights.

The Astroluxe is outfitted with relatively low magnification to ensure a generous field of view for easier viewing—especially when holding them by hand. The traditional Porro prism light path presents a rich depth of field, while producing a naturally balanced and comfortable feel in the hand. To enhance the view, Nikon utilizes winged eyecups that conform to your face, keep stray ambient peripheral light from interfering with the view and causing distractions, and increase contrast and clarity.

The chassis' ergonomic feel is complemented with textured armor to further improve grip security. Both optical tubes are nitrogen filled to be waterproof and resistant to the internal fogging that can occur when moving from the inside of a warm house to the outside into cold winter or sultry humid summer nights. Weighing in at 4.5 pounds, holding the Astroluxe can cause some users to experience arm fatigue—especially during long observation sessions—so Nikon made them mountable on a wide variety of photo, video, or field tripods with the simple addition of an optional adapter for hands-free use to ensure vibration-free views and easier tracking of fast-moving subjects.

Optical Performance
  • High 18x power allows users to enjoy a magnified view without sacrificing field of view
  • Large 70mm objectives draw in the amount of light required to keep views bright and clear when using during nighttime astronomical observations
  • Traditional Porro prism design produces a comfortable-to-hold and natural hand placement for a balanced grip and presents a rich depth of field when viewing terrestrial objects
  • Fully multicoated optics, engineered specifically for nighttime use, maximize light transmission for improved color rendition, contrast, and clarity
  • Wide 64.3° apparent angle of view makes the binoculars ideal for viewing the moon, constellations, satellites, and the International Space Station, and for comet/asteroid hunting
  • 210-foot field of view at 1000 yards
Use and Handling
  • Individually focusing eyepieces ensure tack-sharp views, regardless of individual optical prescription
  • 56-72mm interpupillary distance adjustment range
  • Fold-down winged rubber eyecups mold themselves to the user's eye socket to eliminate distracting peripheral light for improved contrast and clarity
  • Tripod mountable with optional adapter for hands-free use eliminates vibrations and hand shake and prevents arm fatigue from holding it
  • 15.2mm eye relief improves viewing comfort with reduced eyestrain, especially during long observation sessions
  • 3.9mm exit pupil will cover pupils they open and dilate in the dark
Construction Details
  • Nitrogen filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme changes in temperature and environmental conditions
  • Textured armoring provides a slip-resistant grip
  • Ergonomic chassis design gives the binoculars a comfortable feel in the hand
  • Hard carrying case, objective lens caps, and padded neck strap included
UPC: 018208082100

Nikon Astroluxe 18x70 Specs

Key Specs
Prism Type
Porro
Magnification
18x
Objective Lens Diameter
70 mm
Angle of View
4° (Actual)
Field of View
210.84' @ 1000 yd / 70 m @ 1000 m
Exit Pupil Diameter
3.9 mm
Prism Type
Porro
Performance
Magnification
18x
Objective Lens Diameter
70 mm
Angle of View
4° (Actual)
Field of View
210.84' @ 1000 yd / 70 m @ 1000 m
Minimum Focus Distance
11.5' / 3.5 m
Exit Pupil Diameter
3.9 mm
Eye Relief
15.4 mm
Interpupillary Adjustment
56 to 72 mm / 2.2 to 2.8"
Diopter Adjustment
No
Focus Type
Individual
Features
Fogproof
Yes: Nitrogen Filled
Environmental Resistance
Water-Resistant (Unrated)
General
Dimensions
11.5 x 9.2" / 29.2 x 23.4 cm
Weight
4.52 lb / 2.05 kg
Packaging Info
Package Weight
7.12 lb
Box Dimensions (LxWxH)
13.4 x 10.4 x 4.8"

Nikon Astroluxe 18x70 Reviews

Superb

By Jose
Rated 5 out of 5
Date: 2025-02-10

Had been looking at these for awhile, finally decided to get them! They are exquisite, very well made! Optics are super clear and wonderful to look through!

Nikon 18x70 Astroluxe Binocu;ars

By Alex
Rated 5 out of 5
Date: 2022-01-20

I bought Nikon 7x50 Prostar Binoculars back in the early 1980s. First light was the Pleiades from just outside Chicago, and the view was work the price I paid. They are still in like-new condition today because they are built like a tank, and I take good care of them. I just received the 18x70 Astroluxe binoculars and first light this time was from north Phoenix, of the Orion Nebula - magnificent. I cannot speak to highly of these. I made certain they had individual eyepiece focus, the best for astronomy, in my opinion. The focus rings were pretty stiff at first, but they are fine now. These may not be the most powerful binoculars on the market, but they are the finest, in my opinion.

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Where are these made, please?

Where are these made, please?
Asked by: Andrew
The Nikon 18x70 Astroluxe Binoculars BH #NI18X70AS • MFR #8210 country of origin is Japan.
Answered by: John
Date published: 2024-01-09

What tripod adapter is the best for the Nikon ...

What tripod adapter is the best for the Nikon 18x70 Astroluxe Binoculars?
Asked by: Evgeny
The Nikon 18x70 Astroluxe Binoculars would need the Nikon SE Series Binocular Tripod Adapter: (BH #NITAE • MFR #7806).
Answered by: Dan W
Date published: 2025-09-16
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