Nikon 16x50 Aculon A211 Binoculars (Black)

Nikon 16x50 Aculon A211 Binoculars (Black)

Nikon 16x50 Aculon A211 Binoculars (Black)

B&H # NI16X50A211 MFR # 8250
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Product Highlights

  • Aspheric Lens Design
  • Lead- and Arsenic-Free Eco-Glass
  • BAK4 Traditional Porro Prism Design
  • Anti-Reflection Multi-Coated Optics
  • Wide 61° Apparent Angle of View
  • Large Center Focusing Wheel
  • Slip-Resistant Rubber Armor
  • Includes Tripod Mount Adapter
  • Fold-Down Rubber Eyecups
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Nikon A211 overview

  • 1Description

With powerful magnification and large objectives, Nikon's black 16x50 Aculon A211 Binoculars are an ideal device for hunters, birders, and outdoor enthusiasts who require an optic that delivers detailed high-resolution, long-range observations.

The enhanced light-gathering ability offered by the 50mm objectives helps to ensure views remain bright and clear when observing subjects at extreme long range, even under heavy cloud cover or dim light conditions, allowing users to clearly resolve objects or game and make clear identification. Anti-reflection multi-coated aspherical lenses, made with environmentally friendly Eco-Glass elements, complement the BAK4 Porro prism light path to deliver high-contrast images with enhanced depth of field without edge distortion, as well as accurate color fidelity. Despite its 16x magnification, this version of the A211 has a wide angle of view that helps to offset the dimming of the view and appearance of visible hand shake that are common with high-power optics such as this, while presenting the user with an immersive observational experience.

The Aculon's sculpted rubber-armored housing is designed to fit naturally into the observer's hand and provide secure non-slip handling. It is offered here in a subdued black color. Fold-down rubber eyecups and a comfortable eye relief enable easy viewing without eye fatigue, especially during long observation sessions. For those who might experience arm fatigue or visible hand shake from holding a high-power, large-objective optic, the binoculars can be tripod mounted using the included adapter. The combination of image quality and user-friendly design makes the 16x50 Aculon A211 a natural option for long-range glassing in even the most challenging light.

Optical Performance
  • Powerful 16x magnification allows for highly detailed observations of distant subjects
  • Large 50mm objective lenses improve light-gathering ability to ensure distant views remain bright and sharp for better resolution, even in challenging light
  • Traditional Porro prism light path produces a rich depth of field, allowing the user to discern the relative distances between objects being viewed
  • High refractive index BAK4 prisms deliver a round exit pupil and a crisp and clear image with limited edge distortion
  • Aspherical eyepiece lenses correct spherical aberration to produce clear and crisp images, with reduced edge distortion and astigmatism
  • Anti-reflection multi-coated optics produce neutral and accurate color fidelity, and improve contrast and image brightness
  • Wide 61° apparent angle of view reduces the appearance of visible hand shake that is common when holding high-power optics such as this
  • 220-foot field of view at 1000 yards
Use and Handling
  • Large slip-resistant center focus wheel is easy to manipulate, even while wearing gloves
  • Right-eye dioptric correction compensates for individual user's optical prescription for clearer and sharper views
  • 56-72mm interpupillary adjustment range
  • Fold-down rubber eyecups for comfortable use with or without eyewear
  • Tripod mountable with adapter for hands-free use with reduced vibration and arm fatigue
  • 12.6mm eye relief allows easy viewing without eye fatigue, especially during long observation sessions
  • 3.1mm exit pupil
Construction Details
  • Environmentally friendly Eco-Glass is made without lead or arsenic
  • Protective rubber armoring provides a comfortable slip-resistant grip even in cold weather
  • Ergonomically sculpted grips
  • Tripod adapter included for hands-free use to eliminate the vibrations, shakes, and arm fatigue that are common when holding high-power/large objective optics
  • One-piece tethered ocular rainguard protects eyecups
  • Objective lens caps can be clipped to neck strap to avoid losing them during observation sessions
  • Weight: 32.5 ounces
UPC: 018208082506

Nikon A211 specs

Prism Type Porro
Magnification 16x
Objective Lens Diameter 50mm
Angle of View 4.2° (actual)
Field of View 220.0' @ 1000 yd / 73.04 m @ 1000 m
Minimum Focus Distance 29.5' / 9 m
Exit Pupil Diameter 3.1 mm
Eye Relief 12.6 mm
Interpupillary Adjustment 56.0 - 72.0 mm / 2.2 - 2.8"
Dioptric Correction Not Specified by Manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Included)
Dimensions 7.8 x 7.0" / 19.7 x 17.9 cm
Weight 32.6 oz / 925.0 g
Packaging Info
Package Weight 3.05 lb
Box Dimensions (LxWxH) 8.9 x 8.8 x 4.4"

Nikon A211 reviews

16x50 Aculon A211 Binoculars (Black) is rated 4.6 out of 5 by 23.
Rated 2 out of 5 by from Maximum magnifying power is 12 not 16 I purchased a Monarch 5 12x42 from B&H which works great, but I needed more magnifying power to see more details on birds. So I thought I give the Aculon a shot. I didn't expect it to be brighter (it has a smaller exit pupil) or clearer than the monarch, but definitely expected it to have more magnifying power. To my disappointment at its best, it is at par with the monarch 12x in terms of magnification, and as expected, darker and less clear. It is unclear to me that based of what kind of scale these binoculars are rated (12x seems to have more power than 16x from the same the company!).
Date published: 2015-11-07
Rated 5 out of 5 by from Love these Binoculars Started my interest in stargazing with a telescope (too cumbersome), then a higher power pair of binoculars (too zoomy!) and have come to love these. They are sharp and easy to focus and not too large. BIG thanks to B&H for helping me finally find the proper fit for me! I'll have these a long time. I had purchased a different tripod adapter for these, but the one Nikon makes that came with these is well made. I'm not sure any of those tighten completely, but this one seemed to do as well as any.
Date published: 2015-03-02
Rated 5 out of 5 by from Awesome I have a pair of 10 X 50 Bushnells that I have used for game viewing for years. Recently upgraded to the 16x50 Nikon. What a difference in clarity, focus light etc. Amazing purchase
Date published: 2013-10-28
Rated 5 out of 5 by from Amazing Amount of Detail from Nikon A211 I recently moved to Newport, Oregon and wanted to be able to view wildlife and see the ships at sea. These binoculars blew me away. They provide so much detail...my girlfriend and I are truly impressed and amazed. This is my first pair of binoculars so I really don't have anything to compare them too...but I am so happy with my purchase.
Date published: 2014-07-25
Rated 5 out of 5 by from Great binoculars! These Nikon binoculars are very clear, offering amazing quality viewing! I have used these to whale watch from the beach, and was very impressed at how crystal clear the whales were, especially considering they were at least a half mile out to sea! I looked at other higher cost binoculars, and these were just as good, for a lot less money. I'll be buying another pair for family members to enjoy!
Date published: 2014-02-05
Rated 5 out of 5 by from Big & Beautiful Bang for the Buck! Can you say Superman? Now I can, with these far reaching binoculars! What a treat to see things so close-up, with an excellent sharpness in the center field of view, as I have discovered, with all the Aculons I have tried so far. Sure, you get some shake from hand-holding these 16x bins, as any higher power binocular will behave in your hands, but they are still very usable without a tripod, no doubt at all for me-and I do shake a bit, of course. This very this favorable viewpoint is from older eyes and hands, so even younger eyes and hands could make better use of a higher power with more ease, for sure. The color and contrast are pretty good as well (depending on atmospheric conditions-like heat waves, and the like) but under the right conditions these are great to behold. It does seem that very high power magnification shows some lesser overall saturation and contrast, so show more critically to your eyes in the quality of the view than the lower powered binoculars, such as those below 10x appear in comparison. I have not tried them with the included tripod mount (great idea, Nikon!), but I know it will only make me smile a broader one than I do now with these. These have met my expectations (I also have the 7x35 and 10x42 Aculons) and then some-no dissappointments here at all from this so affordable glimpse into higher power viewing. I don't know how they can do it, but I am very impressed to say the least, with all the Aculons I have tried so far. And all have been so excellent for the price, that I have kept every one so far-all three Aculons are now being enjoyed here by me now. So, I would say that, at B&H's excellent prices and service, the Nikon Aculon's have to be tried to be believed. Go for it if you're on the fence, and if you don't think they are amazing values in binoculars or don't work for you (always a possibility with individual needs and qualifications), just send them back and try another in B&H's large arsenal of offerings. There are also lots of favorable reviews for the Nikon Action EX's, which are their waterproof version of the Porro prism binoculars that Nikon offers, at a slightly higher price point for the capability of being water and fogproof, if you have that need. Most of us do at one time or another, but still the Aculons will serve as excellent tools for those whose needs are simpler and at a lower price, without sacrificing much in the way of performance if your budget limits your choices, especially. Sometimes these Aculons are offered at unbelievable prices-grab a pair and see how they work for you. It's not brain surgery-just see what works for you-the only way to really know is to try them for yourself. Only one downside that I can see being a possible problem, and that would be eye-relief for those who need to wear glasses when viewing-it is on the lower end of what would be best for eyeglass wearers. Though no doubt some would find it OK, so depending on your eyes, it still might be alright-try them yourself to know for sure. Clear views, and blue skies to you all, enjoy!
Date published: 2015-03-20
Rated 4 out of 5 by from 16x50 Aculon A211 Binocular (Black) by N I am using it to see stars and planets. I have a telescope, but this binocular when fixed on a tripod shows good images. Due to the 50mm and less magnification than the telescope, the images are brighter and of a greater area, (Pleiades for instance).
Date published: 2013-12-12
Rated 5 out of 5 by from Great binoculars at a good price Very clarity image in any range, easy to focus.
Date published: 2016-03-16
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