SKU: 90857681136

Pentax 8x21 U-Series UP Binocular (Navy)

Sale price$5328.00 Regular price$5920.00
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Description

Pentax 8x21 U-Series UP Binocular (Navy)Aspherical Lens Elements BAK4 Porro Prisms Fully Multicoated Optics Angle of View: 6. 2 Center Focusing Sliding Eyecups The compact and lightweight navy 8x21 U Series UP Binocular combines aspherical optical elements and BAK4 Porro prisms to deliver edge to edge image sharpness with a 50 angle of view. The optical elements are also fully multicoated to provide a high transmission of light. With an 8x magnification and 21mm objectives, you obtain a

  • Aspherical Lens Elements
  • BAK4 Porro Prisms
  • Fully Multicoated Optics
  • Angle of View: 6.2°
  • Center Focusing
  • Sliding Eyecups

The compact and lightweight navy 8x21 U-Series UP Binocular combines aspherical optical elements and BAK4 Porro prisms to deliver edge-to-edge image sharpness with a 50° angle of view. The optical elements are also fully multicoated to provide a high transmission of light. With an 8x magnification and 21mm objectives, you obtain a notable magnification, insignificant image jitter due to unsteady hands, and a compact form factor. You can easily spot your targets with a wide 6.2° angular field of view and quickly bring them into focus with a center focus wheel. In addition to observing distant scenes, birds and game, the minimum focus of 9.2' allows you to study in detail close objects like animal footprints, marks or landscape features. The binocular also features a 2.6mm exit pupil, a 13mm eye relief, 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 glass wearers, the binocular offers sliding rubber eyecups. Also included are a carrying case, a neck strap, and eyepiece covers.

Optical Performance
  • BAK4 Porro prisms
  • Aspherical optical elements offer edge-to-edge image sharpness
  • Fully multicoated optics
  • Angular field of view: 6.2°
  • 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
UPC: 027075288799
Prism Type Porro
Magnification 8x
Objective Lens Diameter 21mm
Angle of View 6.2° (actual)
Field-of-View 326' @ 1000 yd / 108.23 m @ 1000 m
Minimum Focus Distance 9.24' / 2.82 m
Exit Pupil Diameter 2.6  mm
Eye Relief 13  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Dimensions 4.33 x 3.26 x 1.9" / 11.00 x 8.28 x 4.83  cm
Weight 7.4 oz / 210 g
Packaging Info
Package Weight 0.7 lb
Box Dimensions (LxWxH) 4.6 x 3.7 x 2.2"
In the Box
Pentax 8x21 U-Series UP Binocular (Navy)
  • Neck Strap
  • Carrying Case
  • 2 x Eyepiece Covers
  • Limited Lifetime 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: 90857681136

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Reviewed in the United States on May 6, 2026
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Reviewed in the United States on April 26, 2026
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CosmicAddiction
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What a find!
Color: PDRN 25%
Good stuff! My skin healed ULTRA fast with this!! I can really tell it is good stuff! Plus, it has that “bio” smell that means it’s real. The formula is a little oily as opposed to watery. Just FYI I think serum slightly thicker is better.
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Reviewed in the United States on May 19, 2026
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ADO
Chelsea, US
★★★★★ 5
Oopsy Daisy, bad for not reading directions!
Color: PDRN 25%
Oops 😬, I forgot to mix this PDRN serum with my hyaluronic serum before applying on my skin. Instead I have been applying it directly on my face 2x daily. I have noticed major improvement on my skin. My skin is dewy, bright, and flawless. Fortunately, I did not experience any skin reactions the undiluted product. I will come back and stock up on these bottles to mix with hyaluronic serum for microneedling.
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Reviewed in the United States on December 26, 2025
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Boston
Belleville, US
★★★★★ 4
The Skin Regenerator Your Routine Is Missing
Color: PDRN 25%
If you've been dealing with dull, dehydrated skin or feel like your usual creams just aren't cutting it anymore, the Salmon DNA PDRN 250,000 ppm Concentrate might be the missing piece. I started using this booster three months ago, and it has genuinely transformed the texture and bounce of my skin. What problem does this solve? As we age or expose our skin to environmental stress, our natural cell regeneration slows down, leading to dullness, loss of firmness, fine lines, and a damaged moisture barrier. This PDRN concentrate essentially acts as a cellular "wake-up call." Salmon DNA shares a remarkably high biocompatibility with human skin, helping to repair DNA damage, reignite collagen production, and speed up the skin's natural healing process. Features & Benefits · Regenerative Power: Packed with 25% (250,000 ppm) PDRN (Polydeoxyribonucleotide) to repair and rejuvenate. · Wrinkle & Texture Refinement: Helps improve elasticity and reduce fine lines for smoother, more resilient skin. · Hydration & Barrier Support: Formulated with Sodium DNA and Panthenol to deeply replenish moisture and soothe sensitivity. · Booster Format: A versatile concentrate you mix with your moisturizer or serum to amplify your entire routine. · Enhanced Complex: Includes EGF (Epidermal Growth Factor) and Peptides for added collagen support. Pros · ✅ High concentration of active ingredients for noticeable results. · ✅ Excellent for post-procedure skin (non-irritating after microneedling). · ✅ Improves overall skin health, not just surface appearance. · ✅ Suitable for all skin types looking for anti-aging or hydration. Cons · ❌ Texture can be sticky – it leaves a slight residue on your fingers and face that takes a few minutes to absorb. · ❌ Requires consistency – results are not instantaneous and need regular use to build. · ❌ The concept of "salmon DNA" might feel unusual to some, though it's highly effective and dermatologist-backed. Final Verdict This isn't a quick-fix product, but if you stick with it, the reward is skin that looks plumper, healthier, and more resilient. It’s like sending your skin into a repair shop. Best for anyone who has hit a plateau with their current anti-aging routine or who wants to actively strengthen their skin's foundation.
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