Nikon 8-24x25 Aculon T11 Weather Resistant Porro Prism Binocular with 4.6 Degree Angle of View, Black Finish

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About Nikon 8-24x25 Porro Prism

Nikon's ACULON T11 Zoom 8-24x25 is a portable, pocket-sized binocular that is now available in two new and fun colors: white and blue. The diminutive frame of the ACULON T11, combined with Nikon's legendary optics, makes this binocular an extremely versatile option that can be used in a wide range of activities or simply stored within arm's reach.

This binocular is made with high index BaK4 prisms and bright, multicoated optics with multiple layers of anti-reflective compounds to provide excellent brightness and resolution. It features a 25mm objective diameter and a 3-time zoom capability that allows users to zoom to 24-power for a close-in view. A unique, centrally located zoom control lever enables the user to change magnification power with the push of a finger.

The ACULON T11 Zoom measures 4.8" x 4.3" and weighs only 10.8 ounces. It fits neatly in a coat pocket, purse or glove box. Its sleek ergonomic styling allows a better, more comfortable grip on the dual-hinge polycarbonate body. Along with the new white and blue models, the ACULON T11 also is available in red and black.

Summary of Customer Reviews

Customers most agreed on the following attributes:
Compact (6),Lightweight (6),Quality lenses (4)
Best Uses:
Wildlife viewing (5),Bird watching (3)
Reviewer Profile:
Casual/ recreational (5)

Nikon 8-24x25 Porro Prism Features

  • Compact and lightweight
  • Bright, Multicoated Optics: Multiple layers of anti-reflective compounds offer excellent brightness and resolution.
  • BaK4 High Index Prisms: Extra-high resolution images thanks to these advanced prisms are available on every Nikon compact binocular.
  • Turn-and-slide rubber eyecups facilitate easy positioning of eyes at the correcteyepoint
  • Unique zoom lever designed for extra-smooth 8-24x zooming
  • Designed for comfortable fit and easy handling

Nikon 8-24x25 Porro Prism Specifications

Type of Prism
Porro Bak4 prism
Multi-Coated Lens
Real Angular Field of View
Field of View at 1000 Yards
Exit Pupil
3.1 mm@8x
Eye Relief
13 mm@8x
Relative Brightness
Close Focus Distance (ft)
13.1 ft
L x W 4.8 x 4.3 in.
12.3 oz.

Nikon 8-24x25 Porro Prism Reviews

Review Snapshot®


(based on 6 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Very impressed

I use the Nikon 8-24x25 Aculon T11 Binoculars for mostly for nature, spotting birds and critters. But also for checking out roofs, antennas and power lines. I have a big Nikon 12x56, and a Carl Zeiss set that was a waste of money. The Nikon 8-24x25 are just as good, lighter, way way cheaper.

Reviewed by 6 customers


Lots of performance in a small package


from SF Bar Area  -  Casual/ Recreational

These binoculars are not exactly tiny, but small enough to throw in a bag while traveling. The eye cups pop out and adjust for comfort. They are light, which makes hand-holding somewhat difficult at 24x. The throw of the focus ring is large, making it easy to use. The zoom handle is a bit odd but very smooth.

(1 of 1 customers found this review helpful)


Very impressed


from Saint Joseph, Michigan  -  Avid Adventurer

I use the Nikon 8-24x25 Aculon T11 Binoculars for mostly for nature, spotting birds and critters. But also for checking out roofs, antennas and power lines. I have a big Nikon 12x56, and a Carl Zeiss set that was a waste of money. The Nikon 8-24x25 are just as good, lighter, way way cheaper.


Fine Travel Binoculars


from SoCal  -  Casual/ Recreational

Bought these as replacements for a Pentax that was good but destroyed by 9yr old kid. These have a better zooming mechanism and better overall quality. Used predominately for travel; very good optics, reasonable weight and size, and well balanced usual trade wrt zoom.


Focus issues out of the box. but now fin


from St. Louis  -  Casual/ Recreational

Out of the box the focus wheel would not turn far enough to bring anything into focus. Three of us tried. The wheel did not seem to turn very far so I used some exsesive force... and snap! But after that it works flawlessly!!!! Focust is perfect and works well at all zooms. Optics are better than expected and very bright even at 9pm very pleased


Powerful compact binoculars


from San Jose, CA  -  Casual/ Recreational

I wanted a lot of magnification power and the Nikon 8-24x25 has it. It is a little awkward to use/focus, but well worth the learning curve




from crest hill, ill  -  Casual/ Recreational

neck strap would have been nice


Questions & Answers Powered by TurnTo®

Questions about this item:

nancy b  trying to find some bionculars for a n 8 year old but a mature boy would these be the ones?
CHARLES C  Looked through a bunch of them at Yellowstone. I tested many different kinds of spotting scopes. I found Kowa to be the best spotter for ANY money, and the Nikon Monarch or a Leupold to be the best binoculars. The Zeiss are too finicky for me. I used a pair and didn't make a season before bringing out my old Nikons. If you just want to spend money, buy a Zeiss, Swarovski or Leica. Then you can spend all your time babying your purchase, or buy a quality Nikon or Leupold and enjoy seeing the scars of usage with a smile. GOD Bless
GUILLERMO R  I did some online research and I am confused. Are these the same as the Nikon Aculon?
JOSHUA P  Its the updated model, I compared the 2 side by side and they are nearly identicle.
John W  Can these be mounted on a tripod?
JEROME W. B  Yes, but at 6X that is redundant !
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