How does the 10 m minimum parallax on the GPO Spectra 8x 1.6-13x44i benefit night-vision or thermal clip-on users?

The side focus parallax adjusts down to 10 m, which is exceptionally useful for shooters mounting rear night-vision or thermal add-ons that require close-range focus clarity. Additionally, the reinforced front housing is engineered specifically to withstand the weight and stress of front-mounted thermal or night-vision clip-ons during dynamic hunting operations.

Is this riflescope suitable for carrying all day through rugged Australian bush terrain?

At 308 mm in length and weighing 685 g, the Spectra 8x 1.6-13x44i provides a compact and well-balanced footprint ideal for deer stalkers navigating thick scrub or open outback country. While ultra-lightweight hunters chasing sub-500 g optics might prefer a 1-inch tube, this 30 mm main tube model balances robust durability and heavy-calibre recoil resistance with a manageable carry weight.

What are the power and compliance requirements for the illuminated G4i Fibre reticle in Australia?

The iControl illumination system is powered by a single standard CR2032 3V lithium coin cell and features an automatic angle-sensing shut-off along with a 3-hour inactivity timer to preserve battery life. Because it relies entirely on a passive DC battery rather than mains electricity, Australian 240V compatibility and SAA or RCM electrical certification are not applicable to this optic.

Can I use the GPO Spectra 1.6-13x44i for extreme long-range target shooting beyond 600 metres?

This riflescope is optimized as a multi-discipline hunting optic for bush stalking and medium-range engagements up to 500 m when paired with an optional GBT ballistic turret. Shooters focusing strictly on extreme long-range target shooting past 600 to 800 metres will generally require a dedicated high-magnification optic with open tactical turrets rather than this versatile 1.6-13x hunting configuration.

Hunting Riflescope - GPO RSX810 Spectra

The GPO SPECTRA™ 8x 1.6–13x44i G4i Fibre riflescope provides a broad 8x zoom ratio in a compact 308 mm aluminium chassis. Built around a standard 30 mm central tube, this optic combines GPObright™ multi-coated double HD glass with a 44 mm objective lens to achieve 90% daylight light transmission. It features an illuminated Second Focal Plane G4i Fibre reticle powered by a CR2032 battery and managed by GPO's iControl™ system, which includes angle-sensing auto-shutoff and low-battery alerts. With a wide field of view ranging from 25.6 m down to 3.2 m at 100 m, alongside side-focus parallax adjustment down to 10 m, this optic is engineered for dynamic bush stalking, low-light pest control, and clip-on electro-optic integration.

Key Features

8x Zoom Versatility: Adjusts from a true 1.6x low end for rapid target acquisition in close cover up to 13x magnification for precision shots at extended distances.
Clip-On Compatibility: Features a reinforced front housing and a short 308 mm total length specifically suited for mounting forward thermal and night-vision devices without unbalancing the rifle.
Side Parallax Focus: Side-adjustable turret dials out parallax error from 10 m to infinity, accommodating close-range rimfire pest control and rear digital night-vision add-ons.
iControl™ Fibre Reticle: Micro-fibre illuminated red dot features continuous brightness adjustment, automatic angle-based shutoff, and a 3-hour power conservation timer.
Protective Coatings: Exterior lenses feature PASSIONdrop™ hydrophobic coatings to shed water, oil, and debris in harsh field environments.

Technical Specifications

Magnification: 1.6x – 13x
Objective Lens Diameter: 44 mm
Main Tube Diameter: 30 mm
Field of View (at 100 m): 25.6 m (at 1.6x) to 3.2 m (at 13x)
Eye Relief: 95 mm
Exit Pupil: 8.5 mm to 3.5 mm
Parallax Adjustment: 10 m to infinity
Click Value: 1 cm at 100 m (0.1 MRAD)
Total Adjustment Range (Elevation & Windage): 320 cm at 100 m
Length: 308 mm
Weight: 685 g
Battery Type: 1x CR2032

Who is the GPO SPECTRA 8x 1.6-13x44i G4i Fibre for?

Australian deer stalkers — navigates dense timber and rugged ranges using an 8x zoom range that delivers an expansive 25.6 m field of view at 1.6x for close encounters, alongside a 308 mm body length that keeps hunting setups agile.
Thermal and night-vision clip-on users — mounts forward-facing electro-optics securely onto a reinforced 44 mm objective housing, while the 10 m minimum parallax focus allows sharp imaging when running rear eyepiece add-ons on this variable riflescope.
Pest controllers executing pig and fox culling operations — balances rapid off-hand shooting at 1.6x with precision pest identification up to 13x magnification, utilizing a 685 g overall weight that maintains firearm balance during high-volume vehicle or foot culling.

Less suitable for: Target shooters focusing strictly on extreme long-range shooting beyond 600–800 m, who are better served by a dedicated high-magnification optic with first focal plane reticles and tall, exposed tactical turrets; or ultralight mountain hunters requiring a sub-500 g optic, who should consider a fixed-power or 1-inch tube design.

SKU	GPO40701LP
Model #	RSX810
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Rsx810 Spectra 1.6-13x44i Riflescope 30mm Tube

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