The GPO PASSION™ SD 8×34 Binoculars deliver lightweight, compact roof-prism magnification engineered for mobile hunting, scouting, and outdoor observation. Built with a durable magnesium alloy frame protected by rubber armour, this optic incorporates Schmidt-Pechan roof prisms, BAK-4 dielectric coatings, and SD (Substantial Definition) glass elements. Utilizing proprietary GPObright™ multilayer anti-reflective coatings, the optical system achieves 88% overall light transmission. The housing is nitrogen-purged and waterproof, providing fogproof internal performance across diverse Australian environments without requiring battery or mains power.

Key Features:

  • Optimized Optical Coatings: Fully multi-coated GPObright™ lenses combined with BAK-4 dielectric prism coatings ensure an 88% light transmission rate for clear edge-to-edge viewing.
  • Durable Magnesium Chassis: Lightweight magnesium alloy frame encased in full rubber armour protects the internal mechanics while keeping the overall carry weight to 473 g (16.7 oz).
  • Ergonomic Viewing Interface: Features twist-up rotating eyecups offering 17 mm of eye relief, a central focus wheel, and a right-eye diopter adjustment for customized focus.
  • Weatherproof Construction: Nitrogen-purged internal housing delivers complete waterproof and fogproof protection for wet, humid, or dusty field conditions.
  • Tripod Compatibility: Built with a standard integrated front tripod adapter thread for fixed-mount glassing sessions.

Product Specifications:

  • Magnification:
  • Objective Lens Diameter: 34 mm
  • Field of View: 366 ft at 1,000 yd (approx. 122 m at 1,000 m / 7.0°)
  • Exit Pupil: 4.25 mm
  • Eye Relief: 17 mm
  • Close Focus Distance: 9.8 ft (3.0 m)
  • Interpupillary Distance (IPD): 56 mm – 78 mm
  • Light Transmission: 88%
  • Dimensions: Length: 5.7 in (approx. 145 mm)
  • Weight: 16.7 oz (approx. 473 g)

Who is the GPO PASSION SD 8x34 for?

  • Mobile spot-and-stalk hunters — Benefit from the compact 16.7 oz (473 g) carry weight and 34 mm objective lens profile, allowing this compact roof-prism binocular to be carried all day on a harness without fatigue during active stalking.
  • Bushwalkers and hikers — Utilize the steady 8× magnification and wide 366 ft at 1,000 yd field of view for quick, stable handheld wildlife scanning across varied trail terrain.

Less suitable for: Observing subjects closer than 9.8 ft (requires a dedicated close-focus macro optic), open plains glassing beyond 500+ metres (requires higher-magnification 10× or 12× optics), or prolonged dawn, dusk, and low-light twilight hunting (requires full-size 42 mm or 50 mm objective binoculars for increased light gathering).

SKU GPO40624LP
Model # B220
Brand Gpo
Shipping Weight 1.0000kg

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