SKU: 34647496952

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

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Description

Pentax 8-16x21 U-Series UP Binocular (Black)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 black 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 black 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: 027075288881
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) 5.7 x 5.7 x 3.2"
In the Box
Pentax 8-16x21 U-Series UP Binocular (Black)
  • 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.
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 34647496952

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4.3 ★★★★★
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Product Reviews
H
H. Smith
San Leandro, US
★★★★★ 4
Another good Patchett book
Format: Kindle
Thanks go to the publisher and Netgalley for an advance copy of Whistler. I enjoyed this book. The story and characters, and references the the publishing world. I wanted to like it (at a 5 star level) more than I did. But overall, a good read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
M
Mary Lins
Lowell, US
★★★★★ 5
Wonderful, Gripping, Suspenseful, and Miraculous!
Format: Hardcover
The first thing I thought when I started reading Ann Patchett’s new novel, “Whistler” was: “Oh no, this is SO GOOD it’s going to go by too quickly!” I was right, and the only remedy to that is to read it again – it’s that great. Patchett has created a matryoshka doll of a novel with a story inside of a story inside of story, and they are ALL wonderful, gripping, suspenseful, and miraculous! The inciting incident that sets off the story takes place in the Metropolitan Museum of Art in NYC. As Daphne and her husband Jonathan take in the art, Jonathan notices that they are being followed by an older man who turns out the be Daphne’s former stepfather, Eddie, whom she hasn’t seen in 44 years (since she was nine) but who was pivotal in how her life unfolded. Through the narrative, Daphne, and her sister Leda, relive long forgotten memories from their brief but impactful time with Eddie, now understanding what they couldn’t as children. Patchett has written about blended families, divorce, and stepparenting before, in her wonderful 2016 novel “Commonwealth”, and in some of the personal essays about her own childhood. So, she knows what she’s talking about! Patchett beautifully evokes childhood nostalgia and skillfully portrays the way the past can sometimes seem more immediate than the present, highlighting reconnection, reconciliation, and grace. Thank you yet again, Ann; this was just the book I needed right now!
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Reviewed in the United States on June 2, 2026
V
V. Rock
Louisville, US
★★★★★ 5
One of Ann Patchett’s best novels.
Format: Hardcover
“Whistler,” by Ann Patchett, Harper, 320 pages, June 2, 2026. Daphne and Jonathan Fuller are visiting the Metropolitan Museum of Art when Jonathan notices an older man following them. They go up to the next floor and the man is still following them. It turns out he is Eddie Triplett, Daphne’s former stepfather, who was married to her mother for a little more than year when Daphne was nine. They haven’t seen each other in almost 45 years, but he recognizes her. It is a chance meeting. Daphne teaches literature at a private school and Jonathan is a retired hospital administrator. Eddie is an editor at Random House, but he wasn’t at the office this day because of a water main break. Daphne visits her sister, Leda, to tell her about the encounter. Flashback to 1980, when Leda was having an appendectomy, Eddie was driving Daphne to the hospital in a snowstorm and they were in an accident. Daphne had to climb out of a car window and walk for help. After that, her mother divorced Eddie. Of course, there’s more to what happened. This is a wonderful story about adults looking back at the choices they’ve made and the choices that others made for them. It is about the small things that impact our lives and memories of childhood. It is about families, love and bravery. This is one of Ann Patchett’s best novels.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
E
Ellen
Draper, US
★★★★★ 5
Another amazing book from a talented author
Format: Kindle
This is one of my favorite authors so I knew I would enjoy this book and once again, the characters seemed so real like people I knew personally. I very much enjoyed Daphne and Eddie’s relationship and I loved learning about Eddie and Daphne’s mother’s life together and why things played out the way they did. This book truly shows how people can impact us forever regardless of how long they were in our life. There was so much beauty in this book despite the loss and sadness at times. I received an advance review copy for free, and I am leaving this review voluntarily.
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Reviewed in the United States on June 2, 2026
D
De Ann Acosta
Pawtucket, US
★★★★★ 5
Revisiting Childhood Story
Format: Hardcover
When you look back on your childhood, are there unresolved feelings? What happens when you look back on your life to reflect? Daphne Fuller is our main character in this new novel by Ann Patchett. Jonathan, her husband, is very observant and can’t help but notice an older man following them on a visit to the Met. Imagine Daphne’s surprise when she discovers that the older man is her former stepfather, who was married to her mother for only a short time when Daphne was nine. Eddie Triplett was a favorite, though, and she adored him. It was also during this time that she experienced a very pivotal point in her young life. Now in her early 50s, Daphne and Eddie get reacquainted and remember how much they enjoyed each other’s company. It’s natural to wonder what her life would have been like had Eddie stayed involved. Daphne finally learns the truth about why Eddie and her mother divorced. Ann Patchett is one of those writers who make storytelling seem effortless, and I enjoy her books and the characters she creates. As Daphne reflects on her life, her husband heads back to his childhood home to clean it out after the death of his mother. Both are grappling with childhood memories and family dynamics. There is a pivotal story about a horse called Whistler, but this is not a ranching story. This book is filled with characters and families who love, make mistakes, reconcile, grapple with loss, and live richer lives. Thank you to Harper for my gifted copy. All opinions are my own.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026

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