Pentax UP 21mm Binoculars

Pentax UP 21mm Binoculars
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Pentax UP 21mm BinocularsPentax UP 21mm BinocularsPentax UP 21mm Binoculars
Pentax UP 21mm BinocularsPentax UP 21mm Binoculars
£69.00
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Incoming - Shipped 4-6 working days.

Model:  pntx_up_8x21_blk_61801
Part Number:  61801
Brand:  Pentax
Type:  Classic
Style:  Inverted Porro
Magnification:  8x / 10x
Aperture:  21mm
Prism Type:  Inverted Porro Prism

INCLUDED IN THE BOX

  • UP Binoculars
  • Objective Lens Caps
  • Eyepiece Lens Caps
  • Carrying Case
  • Neck Strap
  • Lens Cloth
  • Instruction Manual

Pentax U-Series

The Pentax U-series - These compact, inverted porro-prism models feature a durable dual-axis, single body design with synchronised IPD adjustment and full multi-coating for better light transmission. Aspherical lens elements give you edge-to-edge sharpness. They are a perfect “utility” companion for a multitude of applications.

Easily recognised by the dual-axis and classic inverted porro prism design, even our entry model has all the features of a star performer: aspherical lens elements for edge-to-edge sharpness, multicoated lenses for great light transmission. Whether you use it for indoor or outdoor events, you will be pleasantly surprised by the clarity and sharpness of the image... and surprisingly affordable too. 

FEATURES

  • New fully multi-coated optics
  • Inverted porro prism design
  • Aspherical eyepiece lens elements
  • Dual-axis, single body design with synchronised IPD adjustment
  • Protective rubber housing
  • Pull-up eyecups
  • Light weight and compact

New Fully-multi-coated optics

Fully multi-coated lenses serve the essential purpose of maximising
the amount of light passing through a lens, thereby prevent flare and ghosting from interfering with your view. PENTAX applies multiple layers of coatings to every surface of every element and prism in the full Sport Optics line-up. These fully-multi-coated optics assure the maximum light transmission resulting in a clear, crisp view of the world.

Aspherical lens elements

Edge-to-edge sharpness is a vital element to comfortable viewing. To achieve this, we utilise aspherical lens elements in our eyepieces. This is a specially shaped lens design that reduces aberration to a minimum.

Inner Focus Optics Design

This sophisticated optical design is critical to low-maintenance and long life guarantee. Exposure to airbourne particles and moisture is avoided, thereby ensuring that no outside influences can penetrate the housing and disrupt functionality. 

Other Features

Helicoid four-stop eyepiece rings that permit fine adjustment for maximum viewing comfort.

Exterior rubber coating that provides the binoculars with superb resistance to shocks and impacts. 

Product Specifications

Model8x2110x21
Product CodesBlack: 61801
Blue: 61802

Pink: 61803
Black: 61804
Blue: 61805

Pink: 61806
TypePorro CompactPorro Compact
Magnification8x10x
Objective Lens Diameter21 mm21 mm
Field of View at 1000m108 m87 m
Exit pupil aperture2.6 mm2.1 mm
Eye Relief9.5 mm9.5 mm
EyecupsPull-upPull-up
Height48 mm48 mm
Width110 mm110 mm
Depth83 mm83 mm
Weight210 g210 g
Water proofNoNo
AccessoriesObjective and eyepiece caps, case, strapObjective and eyepiece caps, case, strap
Prism coatingBK7BK7
Lens coatingNew fully multi-coated opticsNew fully multi-coated optics
Twilight Factor13.014.5
Close focus2.8 m2.8 m
Tripod AdaptorNoNo

Pentax UP 21mm Binoculars Questions & Answers

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Q1. How much do these binoculars weigh?

The Pentax UP 8x21 and 10x21 binoculars weigh approximately 210g / 7.41oz.

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June 2018 / View Older
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