The GPO (German Precision Optics) PASSION™ ED 8x42 Binocular (Charcoal Black) is a roof-prism optical system engineered for Australian hunting, birdwatching, and general wildlife observation. Built with extra-low dispersion (ED) glass, Schmidt-Pechan roof prisms, and GPObright™ proprietary multi-coatings, it achieves 90% light transmission to deliver bright, high-contrast images with minimal chromatic aberration across daylight and twilight conditions. Its magnesium alloy body and micro-bridge design provide impact resistance while maintaining a lightweight footprint of 670 g for handheld field use.

Key Features

• ED Optical Glass: Extra-low dispersion objective lenses reduce colour fringing for accurate edge-to-edge clarity and colour fidelity.
• High-Transmission Prism System: Schmidt-Pechan roof prisms feature phase-corrected and dielectric coatings paired with PASSIONdrop™ hydrophobic lens coatings to maintain clear vision in humid or rainy environments.
• Wide Field of View: Offers an expansive 142 m at 1,000 m (approx. 8.1° angular FOV) for rapid target acquisition in dense cover.
• Rugged Weatherproof Build: Nitrogen-purged, 100% waterproof, and fogproof construction encased in protective rubber armour with aluminium eyecup assemblies.
• Ergonomic Handling: Features an 18.0 mm eye relief, 5.25 mm exit pupil, and a close focus distance of 2.0 m, alongside a 1/4"-20 UNC front tripod mounting socket.

Technical Specifications

• Magnification: 8x
• Objective Lens Diameter: 42 mm
• Field of View: 142 m at 1,000 m (426 ft at 1,000 yds)
• Exit Pupil: 5.25 mm
• Eye Relief: 18.0 mm
• Close Focus: 2.0 m
• Light Transmission: 90%
• Interpupillary Distance (IPD): 56 mm to 75 mm
• Dimensions: 145 mm (L) × 130 mm (W) × 55 mm (H)
• Weight: 670 g
• Tripod Interface: Standard 1/4"-20 UNC socket

Who is the GPO PASSION ED 8x42 for?

• Australian bushland and scrub stalkers — offers an expansive 142 m at 1,000 m field of view that enables rapid target acquisition of moving game through thick scrub with this roof-prism binocular.
• All-around wildlife and bird watchers — delivers a 5.25 mm exit pupil and 90% light transmission, providing the bright image rendering necessary for tracking birds and wildlife during low-light dawn and dusk transitions.
• General nature observers and hikers — balances 8x magnification and 42 mm objective lenses within a 670 g magnesium chassis, preventing neck fatigue during all-day mobile trekking.

Less suitable for: Identifying small game or scanning open terrain beyond 500–600 m, where higher-magnification 10x42, 12x50, or dedicated spotting scopes serve better; ultralight backpacking requiring carry weights under 500 g, where sub-compact 8x25 or 8x32 optics serve better; or total darkness operations, which require dedicated thermal or night vision devices rather than daylight binoculars.