SKU: 35769268617

Pentax 8-16x21 U-Series UP Binocular (Brown)

Sale price$11756.25 Regular price$13062.50
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Description

Pentax 8-16x21 U-Series UP Binocular (Brown)Aspherical Lens Elements BAK4 Porro Prisms Fully Multicoated Optics 8 16x Optical Zoom Angle of View Range: 5 3 Center Focusing Sliding Eyecups 1 4" 20 Tripod Socket The compact and lightweight brown 8 16x21 U Series UP Binocular combines aspherical optical elements and BAK4 Porro prisms to deliver edge to edge image sharpness with a wide angle of view. The optical elements are also fully multicoated to provide a high transmission of light. With an 8

  • Aspherical Lens Elements
  • BAK4 Porro Prisms
  • Fully Multicoated Optics
  • 8-16x Optical Zoom
  • Angle of View Range: 5-3°
  • Center Focusing
  • Sliding Eyecups
  • 1/4"-20 Tripod Socket

The compact and lightweight brown 8-16x21 U-Series UP Binocular combines aspherical optical elements and BAK4 Porro prisms to deliver edge-to-edge image sharpness with a wide angle of view. The optical elements are also fully multicoated to provide a high transmission of light. With an 8-16x range of magnification and 21mm objectives, you obtain a wide zooming range and a compact form factor. You can easily spot your targets with a 5° angular field of view at 8x magnification and quickly zoom in on them with the optical zoom. To reduce image jitter at high zoom factors or for prolonged observations, you can connect the binocular to a tripod via an integrated 1/4"-20 socket. In addition to observing distant scenes, birds and game, the minimum focus of 9.9' allows you to study in detail close objects like animal footprints, marks or landscape features. The binocular also features a 2.6-1.3mm exit pupil range, a 14-11mm eye relief range, an interpupillary and a diopter adjustments.

The binocular is very compact, lightweight, and features a single piece frame that houses objectives, which allows for a synchronized interpupillary adjustment. To accommodate eye glasses wearers, the binocular offers sliding rubber eyecups. Also included are a carrying case, a neck strap, and eyepiece covers.

Optical Performance
  • Optical zoom range: 8-16x
  • BAK4 Porro prisms
  • Aspherical optical elements offer edge-to-edge image sharpness
  • Fully multicoated optics
  • Angular field of view range: 5-3°
  • Interpupillary adjustment
  • Diopter adjustment
Construction Details
  • Single piece objectives' frame allows for a synchronized interpupillary adjustment
  • Contoured body provides a comfortable grip
  • Center focus knob offers an easy focusing
  • Sliding rubber eyecups
  • 1/4"-20 tripod socket
UPC: 027075288898
Prism Type Porro
Magnification 8-16x
Objective Lens Diameter 21mm
Angle of View 8x:(actual)
16x:(actual)
Field-of-View 8x: 261' @ 1000 yd / 86.65 m @ 1000 m
16x: 156' @ 1000 yd / 51.79 m @ 1000 m
Minimum Focus Distance 9.9' / 3.02 m
Exit Pupil Diameter 8x: 2.6  mm
16x: 1.3  mm
Eye Relief 8x: 14  mm
16x: 11  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Tripod Mount Yes
Dimensions 4.37 x 4.37 x 2.1" / 11.10 x 11.10 x 5.33  cm
Weight 10.9 oz / 309 g
Packaging Info
Package Weight 1.15 lb
Box Dimensions (LxWxH) 5.8 x 5.6 x 3.2"
In the Box
Pentax 8-16x21 U-Series UP Binocular (Brown)
  • 2 x Eyepiece Covers
  • Neck Strap
  • Carry Case
  • Lifetime Limited Warranty
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
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: 35769268617

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★★★★★ 5
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Reviewed in the United States on May 31, 2026
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Kee
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★★★★★ 5
Bright, Dependable, and Jam-Free — Excellent Printer Paper!
Size: 1 Ream | 500 Sheets, Style: Letter (8.5x11)
The Amazon Basics Multipurpose Copy Printer Paper is a dependable and high-quality choice for all the daily printing needs, offering a bright white finish that makes text and images look sharp and professional. It feeds smoothly through the printer without any jams or misfeeds, which is essential for maintaining productivity throughout the day. The 20 lb weight feels sturdy and durable, making it perfect for everything from internal memos to important client documents. A great value-for-money purchase that provides consistent results every single time.
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Reviewed in the United States on May 23, 2026
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Susan Hoag
Bozeman, US
★★★★★ 5
A Reliable Office Essential That Keeps Our Body Shop Running Smoothly
Size: 10 Reams | 5000 Sheets, Style: Letter (8.5x11)
In a busy auto body shop, we print a lot of paperwork every single day. Between repair estimates, insurance documents, invoices, work orders, and customer paperwork, having a dependable supply of printer paper is a necessity. Amazon Basics Multipurpose Copy Printer Paper has become one of those products that we always make sure to keep in stock. The quality has been excellent for our everyday office needs. It feeds through our printers smoothly, produces clean, sharp documents, and we haven't experienced the jams or inconsistent performance that can sometimes come with lower-quality paper. Whether we're printing simple forms or detailed estimates, it gets the job done. Another reason we continue to purchase it is the value. Running a business means paying attention to operating costs, and this paper offers a great balance between affordability and quality. We go through a large volume of paper, so being able to save money without sacrificing performance is a huge advantage. I also appreciate the convenience of ordering it through Amazon. Instead of making extra trips to the office supply store, we can have it delivered directly to the shop and know that we'll always have enough on hand when we need it. Overall, this has become our go-to copy paper for our business. It's dependable, high quality, and priced competitively. For any busy office, repair shop, or business that prints a large amount of paperwork, I think this is an excellent choice. We will definitely continue to purchase it and keep it stocked in our office.
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Reviewed in the United States on June 7, 2026
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Louisville, US
★★★★★ 5
Great paper good price
Size: 3 Reams | 1500 Sheets, Style: Letter (8.5x11)
This is a solid everyday paper option that does exactly what it’s supposed to do. The packaging was good—everything arrived in perfect condition with no bent corners or damaged reams. It’s nice not having to deal with warped paper right out of the box. Printing quality has been consistent. I’ve used it for both home and work printing, and it feeds smoothly through the printer without jams. The brightness is good too—text comes out clear and sharp, and colors look decent for standard copy paper. Overall, it’s reliable, good quality paper at a fair price. I’d definitely buy it again.
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Reviewed in the United States on June 8, 2026
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Whale
Belleville, US
★★★★★ 5
Nice daily use paper for ink jet printers. A good white rating too. OK for occasional color
Size: 1 Ream | 500 Sheets, Style: Letter (8.5x11)
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