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Questions & Answers
Do they have BAK4 glass? Are they water/fog proof? Featured Answer

They are BaK4 prisms--note the lower case 'a'. 'A', it is my understanding denotes Schott glass, only available (or used to be) on German optics. And unfortunately they are neither waterproof nor fog proof, the only basic drawback with them, as I compared them directly with several roof 10x42s, and they performed equally to them all, even a pair costing 4x the price. Yet, since all of those were waterproof, in the long run they were more likely to fend off fungus that could possibly establish themselves on the interior of the unit. Therefore the roofs were superior for that reason alone. I own the Aculons and in dry weather use them more often than the dachs: they have that cool old-fashioned look and feel of the zigzag chassis of your grandpa's binoculars. I would rate them 4 stars only for the lack of a complete seal; otherwise, if you have no practicable use for it, you can save plenty of cash by going with the Aculons. They will serve you well, I (and Nikon, which, btw, has very good cust. service) dare assure you.

by EZRA2EYES, Verified Owner, March 24, 2018
Customer Reviews
Helpful Positive Review New model: Nikon Aculon 10 x 42 A211 by Legacy Reviewer, Verified Owner, May 15, 2013
Well, this is a first impression. Just tried breifly before heading to Magee Marsh/Lake Erie. I returned two models to other sites; both similar yet one was around $45 more. Very good optics but just not my preference/"feel". I like the dial in the...
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30/34 found this helpful
Helpful Positive Review Add review for DEMO Aculon 10x42 A211 by Old Iowan, Verified Owner, November 3, 2019
For the money....These are GREAT!! I'm referring to the DEMO version!!!! If I had more money in my budget I'd buy more of these for good friends!! At this point I would NOT hesitate to recommend this deal!
2/2 found this helpful
Helpful Positive Review Great binocular for bird watching by digdave, January 7, 2016
I have had stronger binoculars, but these are very sharp and make up for the 10x50 I had before.Lighter and easy to use.There is a place to hook up a tri-pod but needs a special L bracket that does not come with the binoculars. It does come with a li...
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4/5 found this helpful
Helpful Positive Review Awesome binoculars by Ibmikey, Verified Owner, June 17, 2016
Inpurchased the glasses for my neighbor so he can watch activities at the Bible Camp 800 yards away on the other side of the lake. Since receiving the binoculars he has commented on how clear and quick to focus they are,,his wife has also used the g...
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4/5 found this helpful
Helpful Positive Review Nikon Aculon Binocular - 10x42 by Buddy, February 17, 2018
I purchased these binoculars as a gift for a son-in-law and they arrived in approximately 7 days. These were the first Nikon binoculars I have purchased and my son-in-law is really enjoying them. My experience with Opticsplanet was easy, fast and I a...
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3/3 found this helpful
Helpful Positive Review Quality great price by Special delivery, Verified Owner, December 26, 2015
The optics are really good. Comfort and fit are spot on. The only thing to be aware of is they are not water proof. A fact I was aware of and purchased them knowingly. If that is an important feature to you then these may not be right for you.
2/3 found this helpful
Read All 11 Reviews
Color: Black Condition: New

Code: NI-BI-10X42ACU-8246

MPN: 8246

UPC: 018208082469

List: $174.99Save 31%
$119.95

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Product Info for Nikon Aculon A211 10x42mm Porro Prism Binoculars

The Nikon Aculon A211 Outdoor Binoculars - 10x42 has been designed for a wide range of outdoor activities, including birdwatching, nature observation and hiking. This Outdoor Binocular from Nikon Sport Optics has realized sharper images with less distortion even at the lens periphery. The Nikon 10x42mm Aculon A211 Binocular features multilayer-coated lenses for brighter images. This Nikon Binocular is made with turn-and-slide rubber eyecups that facilitate easy positioning of eyes at the correct eyepoint and rubber armor for shock-resistance and a firm, comfortable grip. For a great way to make sure you are always aware of what lies ahead, choose the Nikon Aculon 10x42mm A211 Binocular.image

Specifications for Nikon Aculon A211 10x42mm Porro Prism Binoculars:

Manufacturer: Nikon
Color: Black
Magnification: 10 x
Objective Lens Diameter: 42 mm
Prism System: Porro
Prism Material: BAK-4
Eye Relief: 11.6 mm
Exit Pupil: 4.2 mm
Field of View, Linear: 314 ft at 1000 yds
Optical Coating: Multi-Coated
Binoculars Focus System: Center Focus
Close Focus: 16.4 ft
Length: 7.3 in
Weight: 38.41 oz
Condition: New
Magnification Type: Fixed
Brightness Index: 17.6
Armoring: Rubber Armored
Tripod Adaptable: Yes
Eyecups Types: Turn-and-Slide

Features of Nikon ACULON 10x42mm Outdoor Binocular:

  • New sleek design
  • Aspherical eyepiece lens eliminates image distortion even at the lens periphery (except zoom models)
  • Multilayer-coated lenses for brighter images
  • Turn-and-slide rubber eyecups facilitate easy positioning of eyes at the correct eyepoint (except zoom models)
  • Rubber armour for shock-resistance and a firm, comfortable grip
  • Smooth zooming with finger-tip zoom control (zoom models only)
  • Can be fixed to a tripod using optional tripod adaptor

Package Contents:

  • Nikon Aculon A211 Outdoor Binoculars - 10x42

Nikon Aculon A211 10x42mm Porro Prism Binoculars Orderable Models

List of Orderable Models

Nikon Aculon A211 10x42mm Porro Prism Binoculars, Black, 8246 , MPN: 8246 , UPC: 018208082469 , Code: NI-BI-10X42ACU-8246

Nikon Aculon A211 10x42mm Porro Prism Binoculars Unavailable & Discontinued Models

List of Unorderable Models

Nikon ACULON 10X42 Binoculars, A211, Clamshell 6487 , MPN: 6487 , UPC: 018208064878 , Code: NI-BI-10X42ACU-6487
Demo,Nikon ACULON 10X42 Binoculars, A211 8246-DEMO , MPN: 8246B , Code: NI-BI-10X42ACU-8246-DEMO
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