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Pentax 8x25 U-Series UP Compact Binocular

Product #32171 | SKU 61901 | Pentax
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Overview

BAK4 Porro Prisms, Fully Multicoated Optics, Angle of View: 50°

Description

Pentax 's highly portable and functional 8x25 U-Series UP Compact Binocular employs an innovative unibody design that locks the objective lenses into the body with the eyepieces set on a synchronised dual-axis mechanism that ensures they stay symmetrical in relation to the centre axis of the optic when adjusting the interpupillary distance. The 25mm objective lenses are fully multicoated to reduce reflection and maximise light transmission to produce the brightest images possible. Aspherical lens elements virtually eliminate distortion, especially around the edges, and corrects for lens astigmatism which can prevent sharp focusing.

Designed for easy carrying and stowing, the binocular features a lightweight fibreglass reinforced polycarbonate housing that is corrosion and impact resistant. The housing material is also temperature-resistant allowing for its use in extreme climates while reducing expansion and contraction wide temperature variations can cause, which can make the optical components move out of collimation over time.

Features

Optical Performance
  • 8x magnification
  • 25mm objective lenses
  • BAK4 porro-prism optical design
  • Aspherical lens elements reduce distortion at the edges and corrects for lens astigmatism which can prevent sharp focusing
  • Anti-reflection fully multicoated optics
  • 325.5' field of view at 1000 yards
  • 50° angle of view
Use and Handling
  • Dual-axis synchronised eyepiece adjustment ensures symmetrical placement when changing interpupillary distances
  • Knurled centre focus wheel
  • Twist-up eyecups for use with or without eye wear
  • 15mm eye relief, 3.1mm exit pupil
  • Standard 1/4"-20 tripod mount
Construction Details
  • Lightweight fibreglass reinforced polycarbonate housing
  • Housing is corrosion, temperature and impact-resistant
  • Rubberised armouring protects against impacts and provides slip-resistant grip
  • Inner focusing mechanism provides smooth focus while preserving waterproof seals

Specifications

Prism Type Porro
Magnification 8x
Objective Lens Diameter 25mm
Angle of View 6.2° (actual)
Field-of-View 325.5' @ 1000 yd / 108.07 m @ 1000 m
Minimum Focus Distance 6.3' / 1.92 m
Exit Pupil Diameter 3.1  mm
Eye Relief 15  mm
Interpupillary Adjustment Not Specified By Manufacturer
Dioptric Correction Not Specified By Manufacturer
Focus Type Centre
Tripod Mount Yes
Dimensions 4.5 x 4.3 x 2.2" / 11.43 x 10.92 x 5.59  cm
Weight 10.6 oz / 301 g

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Details

  • Product: Pentax 8x25 U-Series UP Compact Binocular
  • Manufacturer: Pentax
  • Model: UP
  • SKU: 61901
  • RM Product #: 32171

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