SKU: 72747559201

Pentax 8-16x21 UP Binoculars

Sale price$125.99 Regular price$139.99
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

Pentax 8-16x21 UP BinocularsThe Pentax 8 16x21 U Series UP Binoculars deliver exceptional optical performance in a compact, lightweight design. Featuring BAK4 Porro prisms and aspherical optical elements, these binoculars offer edge to edge sharpness and a wide angle of view, making them ideal for birdwatching, wildlife observation, and landscape spotting. Fully multicoated optics ensure high light transmission for bright, clear images even in low light conditions. Versatile

The Pentax 8-16x21 U-Series UP Binoculars deliver exceptional optical performance in a compact, lightweight design. Featuring BAK4 Porro prisms and aspherical optical elements, these binoculars offer edge-to-edge sharpness and a wide angle of view, making them ideal for birdwatching, wildlife observation, and landscape spotting. Fully multicoated optics ensure high light transmission for bright, clear images even in low-light conditions.

Versatile Magnification and Focus

With an 8-16x zoom range and 21mm objective lenses, you can effortlessly switch from wide-angle viewing to detailed close-ups. The binoculars provide a 5° field of view at 8x and 3° at 16x, allowing you to track distant targets smoothly. The minimum focus distance of 63.8’ / 19.4 m lets you study nearby objects such as footprints, markings, or landscape features in fine detail.

Comfortable and Practical Design

Designed for extended use, these binoculars feature a single-piece objective frame for synchronised interpupillary adjustment, sliding rubber eyecups for eyeglass wearers, and a contoured body for a secure grip. The centre focus knob enables quick and precise adjustments, while diopter adjustment ensures personalised clarity.

Additional Features

  • Exit pupil: 2.6–1.3mm, eye relief: 14–11mm
  • Tripod compatible via integrated 1/4"-20 socket
  • Includes carrying case, neck strap, and eyepiece covers
  • Compact dimensions: 4.4 x 4.4 x 2.1" / 11.1 x 11.1 x 5.3 cm
  • Lightweight: 10.9 oz / 309 g

Compact, versatile, and easy to carry, the Pentax 8-16x21 UP Binoculars are perfect for outdoor enthusiasts seeking high-performance optics in a travel-friendly package.

What's Included:

  • Pentax 8-16x21 U-Series UP Binoculars (Black)
  • 2 x Eyepiece Covers
  • Neck Strap
  • Carry Case
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 72747559201

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4.1 ★★★★★
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Verified Purchase
LGN
New York, US
★★★★★ 5
Good option for an aftermarket replacement solution.
Size: 3+12+12+2+1 pack
I've been very happy with this product. I think it is a good price point for what is included. Everything was a directly compatible and everything fit as you would expect. The filter quality is good and since there are plenty in the kit I find I change the filters more often which is probably a good thing. I recommed.
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Reviewed in the United States on October 3, 2025
D
Verified Purchase
deb
Omaha, US
★★★★★ 5
Eufy Brushes wear out with daily use
Size: 4 Pack
These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.
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Reviewed in the United States on January 7, 2026
B
Verified Purchase
Brian M.
Lexington, US
★★★★★ 4
It works
Size: 2+12+12+2 pack
Fits as expected and it's nice to have so many replacement parts. This item is priced well.
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Reviewed in the United States on January 11, 2026
S
Verified Purchase
Suzanne
Cuba, US
★★★★★ 5
Fits my old eufy
Size: 3+12+12+2+1 pack
This set fits my older model eufy and has extra parts for newer models. The filters did not fit our model (our fault for not doing proper research) but the fan sweeper is awesome.
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Reviewed in the United States on October 5, 2024
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Verified Purchase
Dan
Cuba, US
★★★★★ 5
Lots of extras!
Size: 2+12+12+2 pack
The brushes are a bit flimsier than the original but otherwise fine. I needed it for the rectangular filters more than anything
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Reviewed in the United States on March 7, 2026

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