How does the 8x42 configuration perform in low-light conditions like dawn and dusk under a heavy tree canopy?

The GPO Passion ED 8x42 binoculars combine extra-low dispersion (ED) glass, phase-corrected Schmidt-Pechan roof prisms, and GPObright multi-layer coatings to achieve approximately 90% daylight light transmission. Coupled with a large 5.25 mm exit pupil, this optical design delivers bright, high-contrast images during early morning or late evening tracking in dense bush environments.

What is the working range and field of view for tracking fast-moving game?

These binoculars provide an exceptionally wide field of view of 143 metres at 1,000 metres, which is ideal for scanning dense terrain and picking up fast-moving game across medium distances. While they excel for general bush stalking and wildlife observation up to a few hundred metres, users glassing consistently past 500 metres in open terrain may prefer a 10x42 or 12x50 model.

Are there any recommended accessories from the XHunter range that pair well with the 740 g weight of these binoculars?

At 740 grams, these binoculars are built for comfortable all-day handheld neck or harness carry without causing excessive user fatigue in the field. For optimal weight distribution during long stalks across Australian bushland, they pair exceptionally well with the GPO Bino Harness Pro.

Does this passive optical instrument require any special Australian electrical certifications or compliance approvals?

The GPO Passion 8x42 ED is an entirely passive optical instrument containing no batteries, internal circuitry, or electronic components. Consequently, Australian electrical compliance requirements such as 240V mains compatibility, SAA approvals, and RCM/EMC certifications are not applicable to this model.

8x42 Binoculars - GPO B341

The GPO Passion ED 8x42 Deep Green is a roof-prism hunting binocular engineered in Germany for wide-angle wildlife observation and game tracking. Built around an optical system of Extra-Low Dispersion (ED) objective lenses, phase-corrected Schmidt-Pechan roof prisms, and proprietary GPObright multi-layer coatings, it delivers approximately 90% daylight light transmission. A 5.25 mm exit pupil diameter and an expansive 143 m at 1,000 m field of view provide high-contrast, bright images for tracking moving game in low-light environments and dense terrain.

Key Features

ED Optical System: Extra-Low Dispersion objective glass paired with phase-corrected Schmidt-Pechan prisms minimizes chromatic aberration for true-to-life colour rendering.
High Light Transmission: GPObright multi-coatings combined with a 5.25 mm exit pupil diameter maximize low-light performance during dawn, dusk, and heavy canopy viewing.
Rugged Magnesium Chassis: A micro-bridge design built from magnesium alloy with deep green rubber armouring and aluminium twist-up eyecups weighs 740 g.
All-Weather Sealing: Nitrogen-purged and O-ring sealed construction delivers 100% waterproof and fogproof reliability in harsh outdoor conditions.
Tripod Adaptable: Features a standard 1/4"-20 threaded socket under the front bridge cap for stable mounting.

Product Specifications

Magnification: 8x
Objective Lens Diameter: 42 mm
Field of View: 143 m at 1,000 m (approx. 8.1°)
Close Focus: 1.8 m
Exit Pupil Diameter: 5.25 mm
Eye Relief: 18 mm
Interpupillary Distance (IPD): 56 mm to 75 mm
Length: 145 mm
Weight: 740 g
Body Material: Magnesium alloy with rubber armouring

Who is the GPO Passion ED 8x42 for?

Bush Stalkers: Delivers an expansive 143 m at 1,000 m field of view with an 8x magnification that stabilizes the image while tracking fast-moving game across medium distances in dense terrain.
Birdwatchers and Wildlife Observers: Combines a 1.8 m close focus distance with a 740 g magnesium chassis for detailed scanning of subjects under heavy tree canopies during all-day handheld carry.

Less suitable for: Long-range glassing past 500+ metres, where higher-magnification 10x42 or 12x50 binoculars or dedicated spotting scopes suit better, or macro observation closer than 1.8 m, which requires dedicated close-focus macro optics.

SKU	GPO40639LP
Model #	B341
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Passion B341 Ed 8x42 Binoculars Green 8x Magnification

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