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GPO Passion HD 8x42

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GPO Passion HD 8x42 Details

Of all the binoculars within the GPO Passion HD series, this 8x42 model is probably the best all-rounder. This is because they combine a really bright image and good low light performance with a wide field of view and reasonably powerful magnification suitable for short to medium ranges. These are characteristics that most birders, general wildlife observers and even hunters who operate in woodlands and/or often before sunrise or just after sunset will really benefit from.
Indeed at only 2m (6.5feet), the minimum close focus distance on these is good enough for those who also like to sometime view butterflies, dragonflies, flowers or even birds from really close range.
Also interesting is that despite the use of durable materials (but heavier than plastic) like the magnesium chassis and aluminum eyepiece housings, the overall weight of these binoculars is not what you would describe as super-lightweight, but for a 42mm binocular is also nowhere near to what could be described as excessive. 
At 19.5mm the amount of eye relief on these binoculars is fantastic. This combined with their high-quality twist-up eyecups ensures even those who wear glasses can be sure to get their eyes the correct distance behind the ocular lenses and thus achieve the full field of view.

About GPO Passion HD Binoculars

The Passion HD is the flagship series from German Precision Optics and as you would imagine, they truly boast an impressive array of world-class components and features that really do set them apart from the ordinary binocular.
Incorporating some of the finest components, optical glass and coatings available, GPO’s flagship series is the Passion HD, which is are squarely aimed at the serious sports optics user.
Standout highlights on the body include a sealed magnesium chassis, aluminum eyecups and a central focus wheel with an integrated locking diopter correction mechanism. Whilst optically, the Passion HD series includes double fluorite containing ED lens elements, a Schmidt Pechan roof prism system that is both phase corrected and dielectrically mirror coated.
Available in a selection of magnifications and with either 42mm or 50mm lenses, there is a Passion HD binocular to perfectly suit most outdoor enthusiasts needs.

Important Features

These GPO binoculars sport a modern top-hinge body design and are built around a tough, yet relatively lightweight magnesium chassis. The polished microbridge is also made from magnesium and the multi-texture body armor provides both protection and a good level of grip.
Fully O-ring sealed, the Passion HD series is watertight to a pressure of 500 Mbars and with the interior filled with dry nitrogen gas, the internal glass surfaces are fog resistant.
The eyepiece housings and twist-up eyecups are made from aluminum and feature multiple intermediate click stops to ensure you get the full view for use with or without glasses. These binoculars all have a centrally located focus wheel that also incorporates the lockable diopter adjuster within the mechanism.

Optical Properties

As well as their excellent chassis and exterior, the GPO Passion HD binoculars also feature a collection of premium level optical components and coatings:
Both models feature Schmidt Pechan roof prism system. The phase correction coatings prevent phase shift and thus help deliver a higher resolution image, whilst the dielectric mirror coatings are able to reflect more than 99% of the light across the full spectrum and thus boost both the image brightness and overall quality.
The whole optical pathway is fully multi-coated with anti-reflection coatings and the objective lenses feature double HD lens elements (two fluorite containing lenses which are “cemented” together) that drastically reduces the distortions that cause color fringing.
Exterior lens surfaces also have GPO’s proprietary "PASSIONdrop” hydrophobic coatings added to them that help keep the lenses free of water, oil, and dirt for easier cleaning and better views in all weather conditions.


Whilst these binoculars come with the usual arrangement of accessories, their quality is anything but ordinary. A semi-rigid carry case provides an excellent level of protection, whilst the neoprene backed neck strap looks great and is very comfortable. Also included is a rain-guard, objective lens covers, cleaning cloth and instruction booklet.

Features of GPO Passion HD Binoculars

  • Double HD Glass Lens Elements
  • Fully Multi-Coated Optics
  • Phase Corrected & Dielectric Coated Schmidt Pechan Roof Prisms
  • Hydrophobic Exterior Lens Coatings
  • Magnesium Chassis 
  • Twist-Up Aluminium Eyecups with intermediate click stops
  • Lockable Diopter located on Central Focus Wheel
  • Waterproof and Fogproof (Nitrogen filling)

Accessories of GPO Passion HD Binoculars

  • Carry Case
  • Neck Strap
  • Objective Lens Covers
  • Rainguard
  • Lens Cleaning Cloth
  • Instruction Booklet

Warranty Terms and Conditions

German Precision Optics provides a comprehensive 10-year warranty on all their Passion HD binoculars which to their discretion will be replaced or repaired at no cost to you.

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GPO Passion HD 8x42 Specifications

Binoculars seriesGPO Passion HD
Made in-
In production since-
Warranty10 years
Prism type Roof - Schmidt/Pechan
Variable magnification No
Magnification. 8x
Diopter range -4 / +4 Dpt
Lens diameter. 42mm
Exit pupil. 5.3mm
Field of view... 125m/1000m
Field of view (deg.). 7.16°
Apparent field of view (deg.).
Eye relief. 19.5mm
Close focus. 2m
Twilight Factor18.33
Light transmission 91%
Relative Brightness 28.1
Lens coating Multicoated
Working temperature range-
Filled with -
Focusing system Central
Diopter setting positionCentral
Min. interpupillary.57
Max. interpupillary.75
Body typeSingle hinge
Waterproof Yes
Fogproof Yes
Tripod adaptableNo
Compass No
Built-in rangefinderNo
Image stabilizer No
Floatable No

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