The GPO SPECTRA™ 8x 2-16x50i G4i Fiber is a second focal plane hunting riflescope engineered for versatile shooting across varied terrain. Featuring an 8x super-zoom ratio, it transitions from a wide field of view at 2x magnification for close-range tracking to 16x magnification for precision long-range placement. The system integrates a 50 mm objective lens with fully multi-coated optics to deliver 90% daylight light transmission, paired with an illuminated G4i Fibre reticle powered by a single 3V CR2032 battery.

Key Features

  • iControl™ Illumination: Automatically powers down the illuminated reticle when the rifle is tilted vertically or laid on its side, reactivating immediately when brought to the shoulder. Includes a 3-hour automatic shut-off and a 15% low-battery warning.
  • Side Parallax Adjustment: Side-focus turret adjusts parallax smoothly from 10 metres to infinity, eliminating reticle drift across close and extended ranges.
  • Precision Turret System: Features 0.1 MIL (1 cm at 100 m) click adjustments with a total elevation and windage travel range of 320 cm at 100 m, integrated with zero-stop functionality.
  • Robust Optical Chassis: Built on a standard 30 mm main tube machined for centre-fire and magnum recoil resistance, fully nitrogen-purged for waterproof and fogproof performance.

Technical Specifications

  • Magnification: 2x – 16x
  • Objective Lens Diameter: 50 mm (outer diameter: 57.2 mm)
  • Main Tube Diameter: 30 mm
  • Field of View (FOV): 20.5 m – 2.6 m at 100 m
  • Eye Relief: 95 mm
  • Exit Pupil: 8.5 mm – 3.1 mm
  • Daylight Transmission: 90% (ISO 14490-5:2005)
  • Parallax Adjustment: 10 m to infinity
  • Click Value: 1 cm at 100 m (0.1 MIL)
  • Total Adjustment Range: 320 cm at 100 m
  • Dimensions: 345 mm (L) x 83 mm (W) x 61 mm (H)
  • Weight: 718 g (without protective covers)
  • Power Source: 1x CR2032 battery

Who is the GPO SPECTRA 8x 2-16x50i G4i Fibre for?

  • Open-country deer stalkers — relies on the 2x to 16x magnification range and 95 mm eye relief to identify and engage game across open paddocks and varied distances with fine shot placement.
  • Low-light dusk and dawn hunters — utilizes the 50 mm objective lens diameter, 90% light transmission rating, and illuminated fine-fibre reticle to maintain clear target identification during prime twilight feeding windows.
  • Timber and scrub hunters — benefits from the wide 20.5 m field of view at 2x magnification and 718 g chassis weight for rapid target acquisition in dense cover.

Less suitable for: Target shooting at distances closer than the 10-metre minimum parallax threshold, where dedicated close-range rimfire or airgun optics prevent parallax error, or purely nocturnal hunting without ambient light, where dedicated digital night-vision or thermal riflescopes are required.

SKU GPO40702LP
Model # RSX822
Brand Gpo
Shipping Weight 1.0000kg

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