Is the GPO SPECTRA 1x 7.5x50i suitable for low-light Australian hunting conditions like spotlighting and dawn or dusk stalks?

Yes, this scope is specifically optimised for low-light scenarios. It features a large 50 mm Double HD objective lens and proprietary GPObright multi-coatings that deliver up to 87 to 92 percent daylight transmission, while the illuminated G4i reticle powered by the iCONTROL system ensures clear target acquisition during early morning or late evening.

What is the effective engagement range for the GPO Spectra 7.5x50i, and how does its fixed 100 m parallax affect close or long-range shots?

The scope is optimized for close to mid-range engagements roughly between 50 m and 300 m. Because the parallax is factory-fixed at 100 m, extremely close shots under 30 to 40 m in heavy scrub will feel restrictive compared to a dedicated 1-4x LPVO, and shots extending beyond 300 to 400 m would benefit more from a variable optic with adjustable side parallax.

What scope rings or mounts do I need to attach the GPO Spectra 7.5x50i to my rifle?

This riflescope features a 30 mm single-piece aluminium main tube and requires standard 30 mm scope rings or mounts. If you are looking for a raised mounting solution within our range, it pairs well with the Gpo Spectra Dot High Mount.

Does the GPO SPECTRA 1x 7.5x50i require any special electrical safety certifications like SAA or RCM for use in Australia?

No SAA or RCM electrical safety approvals are required because the scope contains no mains voltage wiring or radio-frequency emitting circuitry. It is powered solely by a single unpowered 3V CR2032 coin cell battery for the reticle illumination and is fully legal to mount and use across all Australian states and territories.

Hunting Riflescope - GPO Spectra RS250

The GPO SPECTRA 1x 7.5x50i is a fixed-magnification hunting riflescope engineered for high optical clarity and light gathering during low-light shooting. Built around a 30 mm one-piece aluminium main tube, it combines a fixed 7.5x magnification with a 50 mm Double HD objective lens. By eliminating the internal moving parts of a variable zoom mechanism, the optical design maximises light throughput via GPObright multi-coatings, reaching up to 87–92% daylight transmission. An illuminated G4i German #4 reticle in the second focal plane is powered by a CR2032 battery and managed via the iCONTROL illumination system, delivering a precise, continuously adjustable central red dot for twilight, dawn, and spotlighting applications.

Key Features

Fixed Optical System: Fixed 7.5x magnification paired with a 50 mm Double HD objective lens eliminates zoom-assembly optical loss to maximise low-light visibility.
Illuminated Reticle: Second Focal Plane (SFP) G4i reticle with iCONTROL micro-dot illumination, powered by a single CR2032 coin cell.
Precision Turrets: Capped PASSIONtrac zero-resettable turrets with 0.1 MRAD (1 cm at 100 m) click values and a total adjustment range of 100 inches at 100 yards.
Durable Housing: Nitrogen-purged, waterproof, and dustproof 30 mm one-piece aluminium chassis weighing 617 g.
Optical Dimensions: 6.2 mm exit pupil and 97 mm eye relief with a linear field of view of 5.16 m at 100 m (15.5 ft at 100 yd).

Specifications

Magnification: 7.5x (Fixed)
Objective Lens Diameter: 50 mm (Double HD glass)
Main Tube Diameter: 30 mm
Reticle: G4i illuminated (Second Focal Plane)
Exit Pupil: 6.2 mm
Eye Relief: 97 mm (~3.9 in)
Field of View: 5.16 m at 100 m (15.5 ft at 100 yd)
Click Value: 1 cm at 100 m (0.1 MRAD)
Elevation / Windage Travel: 100 in at 100 yd
Parallax: Fixed at 100 m
Weight: 617 g
Power Source: 1x 3V CR2032 battery

Who is the GPO SPECTRA 7.5x50i for?

European-style high-seat and raised hide hunters — demands maximum optical throughput at dawn and dusk, which this fixed 7.5x magnification riflescope delivers via its 50 mm Double HD objective lens and dedicated 6.2 mm exit pupil.
Australian dawn, dusk, and spotlighting game hunters — requires a lightweight optic for mobile stalking that retains bright target definition, supplied by this fixed-magnification riflescope's 617 g total weight and light-gathering 30 mm main tube.

Less suitable for: Close-range shooting under 30 to 40 m in heavy scrub where a 1–4x LPVO provides a wider field of view, or target shooting beyond 300 to 400 m where a variable high-magnification optic with adjustable side parallax is required.

SKU	GPO40682LP
Model #	RS250
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Spectra Rs250 Riflescope 7.5x50i Illuminated G4i Sfp

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