SKU: 28060142660

Pentax 10x50 Z-Series ZD ED Binocular

Sale price$61899.75 Regular price$68777.50
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Description

Pentax 10x50 Z-Series ZD ED BinocularExtra Low Dispersion Glass Phase Corrected BAK4 Roof Prisms Hybrid Aspherical Lens Elements Fully Multicoated Optics Angle of View: 50 Nitrogen Filled, Water and Fogproof Closed Bridge Configuration Magnesium Alloy Chassis Tripod Mountable Twist Up Eyecups With an eye for the discerning nature enthusiast, the Pentax 10x50 Z Series ZD ED Binocular features multiple optical technologies to improve the image quality and ensure accurate colors in all

  • Extra Low-Dispersion Glass
  • Phase-Corrected BAK4 Roof Prisms
  • Hybrid Aspherical Lens Elements
  • Fully Multicoated Optics
  • Angle of View: 50°
  • Nitrogen-Filled, Water and Fogproof
  • Closed Bridge Configuration
  • Magnesium Alloy Chassis
  • Tripod Mountable
  • Twist-Up Eyecups

With an eye for the discerning nature enthusiast, the Pentax 10x50 Z-Series ZD ED Binocular features multiple optical technologies to improve the image quality and ensure accurate colors in all weather and lighting conditions - especially in low light, such as dawn and dusk when many birds and game are most active.

The image-enhancement starts with the 50mm objective lenses that draw in copious amounts of light and extend the practical useable ability well beyond smaller objective optics. The lenses are made with hybrid aspherical elements and extra-low dispersion (ED) glass. The aspherical elements eliminate distortion around the edges of the lens for clear edge-to-edge views and corrects lens astigmatism that can prevent the ability to bring subjects into sharp focus. ED glass corrects for chromatic aberration to ensure colors are accurately rendered. Anti-reflect fully multicoated optics maximize light transmission through the entire optical path to make views appear bright and crisp, especially in low light. Finally, the BAK4 roof prisms are phase-corrected to enhance contrast and further correct chromatic aberration. These technologies work together to produce bright and clear high-contrast images with virtually no distortion and accurate colors.

Complementing the optical performance is a housing that is built for a lifetime of rugged outdoor use. The chassis is made of a lightweight and durable magnesium alloy with a rubberized armor that protects against impacts while providing a slip-resistant grip. The optical tubes are nitrogen filled for fogproof performance and O-ring sealed to make the binocular submersible to as much as 3.3'. A protective external lens coating helps to repel dust, water, and oil to ensure obstruction-free viewing. The larger objectives add weight and bias the center of balance forward which could lead to user fatigue and possible hand-shake, so for steadier views during longer glassing sessions, the binocular is tripod mountable with an optional adapter.

Optical Performance
  • 10x magnification
  • 50mm objective lenses
  • BAK4 Roof prism optical path
  • Anti-reflection fully multicoated optics
  • Extra-low dispersion (ED) glass reduces chromatic aberration for sharper images with accurate color
  • Phase corrected prisms produce high-contrast images with true color rendition
  • Hybrid aspherical lens elements correct for spherical aberrations to reduce distortion at the edges of the lens and corrects for astigmatism that can prevent sharp focusing
  • 262' field of view at 1000 yards
  • 50° angle of view
Use and Handling
  • Closed bridge configuration
  • Large knurled center focus wheel
  • Right-eye diopter adjustment
  • 22mm long eye relief, 5.0mm exit pupil
  • Twist-up eyecups for use with or without eye wear
  • Tripod mountable with optional adapter
Construction Details
  • Lightweight and durable magnesium alloy housing
  • Rubberized armoring protects against impacts and provides slip-resistant grip
  • Nitrogen-filled, fogproof and submersible to 3.3' (1m)
  • Internal focusing system helps to maintain waterproof seals
  • Dust/water/grease repellent coatings keeps the optical surfaces clean
UPC: 027075288546
Prism Type Roof
Magnification 10x
Objective Lens Diameter 50mm
Angle of View 5.0° (actual)
Field-of-View 262.5' @ 1000 yd / 87.15 m @ 1000 m
Minimum Focus Distance 11.6' / 3.54 m
Exit Pupil Diameter 5.0  mm
Eye Relief 22  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Center
Tripod Mount Yes (Adapter Optional)
Dimensions 6.7 x 5.2 x 2.3" / 17.02 x 13.21 x 5.84  cm
Weight 30.2 oz / 856 g
Packaging Info
Package Weight 2.65 lb
Box Dimensions (LxWxH) 7.7 x 6.3 x 3.1"
In the Box
Pentax 10x50 Z-Series ZD ED Binocular
  • Neck Strap
  • Carrying Case with Strap
  • 2 x Objective Lens Caps
  • 2 x Eyepiece Caps
  • 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: 28060142660

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CakeLady
Waukegan, US
★★★★★ 4
Nice and squishy
Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches
Not really a "cooling" pillow, but better than a standard or or fiber filled pillow. All these types of pillows and other bed linens are initially cool to the touch, but they quickly heat up to match your body temperature. Although the technology currently does not exist to maintain constant cooling, pillows like this are a good compromise for now. It's nice and soft and is a good value for the price.
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Reviewed in the United States on July 30, 2025
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Joseph Urban
Alexandria, US
★★★★★ 5
New Fave
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
Love It so far... Its cool and comfortable... just the right firmness
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Reviewed in the United States on December 17, 2025
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Richard E. Yourish
Dallas, US
★★★★★ 3
Doesn’t stay cool long
Set name: UltraCool Pillow, Standard - Soft/Medium Firmness, Item length width: 30.0 Inches
The pillow was a little softer than I expected. It’s cool at first but at least for me heats up fast.
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Reviewed in the United States on May 11, 2024
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bryce colwell
Fort Morgan, US
★★★★★ 2
too soft, useless. but cool, kindah
Set name: UltraCool Pillow, Standard - Medium/Firm Firmness, Item length width: 30.0 Inches
the problem with these "cooling" pillows is any cooling effect is almost completely negated by a pillow case. this particular pillow is cool to the touch, but completely useless as it flattens out completely, way too soft I think for anyone. I would not recommend this "NASA" pillow for anyone for anything. Maybe for 10 bucks, but certainly not what they ask for this. I did keep it though. It is "cool" but only for a moment and your flipping it around like any other pillow. also way too soft. BUt, it has been cool enough to get me back to sleep.
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Reviewed in the United States on May 29, 2025
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Jack D King
Chelsea, US
★★★★★ 5
Fantastic pillows
Set name: UltraCool Pillow 2-Pack, King - Medium/Firm, Item length width: 40.0 Inches
I cannot say enough how happy I am with these pillows. Truly amazing. I put REST pillowcases on them and they are constantly cool/cold.
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Reviewed in the United States on August 11, 2025

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