Product Code: 1757223

GPO Passion HD 8.5x50 Binoculars

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GPO’s flagship binoculars, the Passion HD line features world-class components and features which are aimed at serious sports optics users. Externally, the body sees a durable, sealed magnesium chassis, multi-texture body armour that provides both protection and grip, GPO’s proprietary "PASSIONdrop” hydrophobic coating, aluminium eyecups and a central focusing wheel with an integrated locking diopter correction mechanism. Optically, the series feature a Schmidt Pechan roof prism system. Phase correction coatings prevent phase shift deliver an impressively high-resolution image, whilst dielectric mirror coatings reflect more than 99% of the light across the full spectrum, boosting image brightness and overall quality. From the strong and durable exterior to the impressively high-specification interior, these binoculars are a truly premium product that will provide you with the highest possible image quality.

GPO Passion HD Binoculars Key Features:

  • World-class components and features
  • Flagship model aimed at serious sports optics users
  • Double HD glass lens elements
  • Double fluorite containing ED lens element
  • Fully Multi-Coated Optics
  • Has a lightweight magnesium chassis
  • Phase Corrected & Dielectric Coated Schmidt Pechan Roof Prisms
  • Multi-texture body armour provides both protection and grip
  • Twist-Up Aluminium Eyecups with intermediate click stops
  • Lockable Diopter located on Central Focus Wheel
  • Fully O-ring sealed, waterproof and fog proof (Nitrogen filling)
  • GPO’s proprietary "PASSIONdrop” hydrophobic coatings

Expanded GPO Passion HD Binoculars Key Features:

Superior Image

To begin with, these binoculars feature a Schmidt Pechan roof prism system. This is accompanied by phase correction coatings that prevent phase shift which ultimately results in a higher resolution image. This is all whilst the binocular’s dielectric mirror coatings reflect more than 99% of the light across the entire spectrum. This results in higher image brightness and overall quality across your image. The glass elements throughout the barrels are fully multi-coated with anti-reflection coatings as well as the objective lenses featuring double HD lens elements which significantly reduce distortions that causes colour fringing, providing you with the best possible image of your subject.

The Magnesium Chassis

The strong magnesium chassis is accompanied by a multi-textured body armour that provides both protection and grip. The exterior lens surfaces see GPO’s proprietary "PASSIONdrop” hydrophobic coatings. These coatings will keep your lenses free of water, oil and dirt, making it easier clean and ultimate provide you with a better viewing experience in any weather condition.

What's in the box?

  • 1 x GPO Passion HD Binoculars
  • 1 x Carry Case
  • 1 x Neck Strap
  • 1 x Objective Lens Covers
  • 1 x Rainguard
  • 1 x Lens Cleaning Cloth
  • 1 x Instruction Booklet


What does ED stand for?

Extra low dispersion glass or, ED, prevents or lessens chromatic aberrations in the images you see through the lens. When using this glass, wavelengths are more effectively directed and concentrated which results in minimised, or controlled aberrations and more specifically, chromatic aberrations. Generally speaking, if aberrations are controlled, you will experience a brighter and cleaner image through your lens.

What Binoculars Do I Need?

What binoculars are needed depends on the user and what they intend to use the binoculars for. Higher the magnification, the 'closer' you’ll be to your subject but as a result, your field of view is narrowed. A lower magnification results in a wider field of view - You’ll see more and it’ll be easier to track a subject e.g. a fleeting animal. A wider diameter results in better image brightness and low-light capabilities. Whereas, a smaller diameter pair of binos will be physically lighter and therefore more comfortable to use.

What other options are there in the Passion HD line?

At present, our GPO Passion HD line consists of the following:

  • GPO Passion HD 12.5x50 Binoculars
  • GPO Passion HD 10x50 Binoculars
  • GPO Passion HD 8.5x50 Binoculars
  • GPO Passion HD 10x42 Binoculars
  • GPO Passion HD 8x42 Binoculars
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Product Specification

Diopter adjustment +/- 2.5 dpt
Exit Pupil 5.88
Eye Relief 17
Field of View 105
Fog proof Yes
Included Accessories G.P.O Instruction Manual, Cleaning Cloth, Hard Case, Neoprene Strap, Ocular Covers
Inter-pupillary distance (mm) 58-76
Lens construction HD Extra-Low Dispersion Lens Elements
Minimum Focus Distance (m) 3
Objective lens diameter (mm) 56
Multi-coating Fully Multi-coated
Prism type Roof
Size 175 x 135 x 64
Transmission Range 91
Waterproof 300 mbar
Weight (g) 950
Manufacturer Link German Precision Optics (GPO)
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Product Code: 1757223-wex Manufacturers Part Number: B640