Pentax UP 8x21mm Black Binoculars (61801) U-SERIES

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120445
$79.95
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product overview
product overview
  • Aspherical Lens Elements
  • BAK4 Porro Prisms
  • Fully Multicoated Optics
  • The angle of View: 6.2°
  • Center Focusing
  • Sliding Eyecups

The compact and lightweight black Pentax 8x21 U-Series UP Binoculars (61801) combine 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 centre focus wheel. In addition to observing distant scenes, birds and game, the minimum focus of 2.80 m allows you to study in detail close objects like animal footprints, marks or landscape features. The binoculars also feature a 2.6mm exit pupil, a 13mm eye relief, an interpupillary and a diopter adjustment.

The binoculars are very compact, lightweight, and features a single-piece frame that houses objectives, which allows for a synchronized interpupillary adjustment. To accommodate glass wearers, the binoculars offer sliding rubber eyecups. Also included are a carrying case, a neck strap, and eyepiece covers.


Key Features of the Pentax UP 8x21mm Black (61801) U-SERIES

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

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

  • The single-piece objective frame allows for a synchronized interpupillary adjustment
  • A contoured body provides a comfortable grip
  • The Center focus knob offers an easy focusing
  • Sliding rubber eyecups

  • MPN - 61801
  • GTIN - 027075288782
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Prism Type Porro

Performance

Magnification 8x
Objective Lens Diameter 21 mm
Angle of View 6.2° (Actual)
Field of View 325.5' @ 1000 yd / 108.5 m @ 1000 m
Minimum Focus Distance 9.2' / 2.8 m
Exit Pupil Diameter 2.6 mm
Eye Relief 13 mm
Diopter Adjustment Yes
Focus Type Center

Features

Fogproof No
Water Resistance None

General

Dimensions 4.3 x 3.3 x 1.9" / 11 x 8.3 x 4.8 cm
Weight 7.4 oz / 209.8 g
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What’s In The Box
  • Pentax UP 8x21mm Black (61801) U-SERIES
  • Neck Strap
  • Carrying Case
  • Eyepiece Covers x 2
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