Pentax UP 8x21 Binoculars


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  • 8X magnification
  • 21mm lens objectives
  • New fully multi-coated optics
  • Dual-axis, single body design with synchronized eye-piece IPD adjustment
  • High Quality BaK4 prism
  • Aspherical lens elements
  • Pull-up eyecups
  • Eye-relief
  • Inverted porro prism design
  • 10 Years Warranty from CR Kennedy Australia

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This U-series Pentax binoculars feature a unique inverted porro prism design with dual-axis, single body design with synchronized eye-piece IPD adjustment for better light transmission. Its aspherical lens elements provide edge-to-edge sharpness and reduce aberrations. The new fully multi-coated lenses has the purpose of maximizing the rays of light passing through the lens, it therefore prevents flare and ghosting from the field of view. The pull-up eyecups provide comfortable eye-relief for longer viewing. Rubber housing is incorporated for a firm grip and extra protection. With 8X magnification and 21mm lens objectives, this model will provide a fine and compact companion on nature trips. It can reach a span of up to 108m field of view.

Product Features in Detail

New Fully-multi-coated optics

Fully multi-coated lenses serve the essential purpose of maximizing 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

Type Porro Compact
Magnification 8x
Objective Lens Diameter 21 mm
Field of View at 1000m 108 m
Exit pupil aperture 2.6 mm
Eye Relief 9.5 mm
Eyecups Pull-up
Height 48 mm
Width 110 mm
Depth 83 mm
Weight 210 g
Water proof No
Accessories Objective and eyepiece caps, case, strap
Prism coating BK7
Lens coating New fully multi-coated optics
Twilight Factor 13
Close focus 2.8 m
Tripod Adaptor No
This product comes with 10 Years Warranty with CR Kennedy. Our products are sourced from authorised Australian suppliers and therefore come with genuine Australian warranty. Camera Warehouse does not participate in 'Grey Market' or 'Parallel Import' activities.

Pentax UP 8x21 Binoculars
Eyepiece Cap
Objective Cap
Neck Strap
10 years Australian Warranty with CR Kennedy

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Pentax UP 8x21 Binoculars
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SKU: Pentax UP 8x21 Binoculars