How does the 56mm objective lens and G4i Fibre reticle perform during low-light conditions like dawn and dusk?

The GPO Spectra 5x 3-15x56i pairs a large 56 mm objective lens with a Double HD glass system and proprietary GPObright multi-coatings to achieve over 92 percent total light transmission. It features an ultra-fine, fiber-optic illuminated central red dot with stepless brightness control, ensuring exceptional target acquisition during twilight without washing out your field of view.

Is this riflescope suitable for carrying on long alpine stalks or is it too heavy?

Weighing in at 830 g, this model is built robustly for low-light high-seat stalking, fixed blinds, and vehicle-based pest control rather than lightweight alpine hunting. Dedicated backcountry hunters who prefer an optic format under 600 g may find the heavier 56 mm build less ideal for multi-day mountain carry.

What rings do I need to mount the GPO Spectra 5x 3-15x56i, and are there compatible accessories available?

This riflescope features a standard 30 mm main tube, requiring matching 30 mm scope rings to mount onto Picatinny, Weaver, or rifle-specific bases. If you are looking to pair it with other gear from our range, it integrates well with the GPO Bino Harness Pro for glassing sessions and the GPO Spectra Dot High Mount depending on your setup.

What is the minimum focusing distance for close-range pest control?

The side parallax adjustment on the RS560 spans from 10 meters out to infinity, allowing you to easily dial in a crystal-clear image whether you are engaging close-range pests or targeting game at extended ranges past 600 meters.

GPO Spectra 5x RS560 Riflescope - GPO RS560

The GPO SPECTRA 5x 3-15x56i G4i Fibre (Model: RS560) is a low-light hunting riflescope built on a 30 mm main tube, designed for twilight and night shooting. It combines a 5x optical zoom system with a large 56 mm objective lens featuring Double HD glass and GPObright multi-coatings to achieve daylight transmission exceeding 90%. Sighting is managed via a second-focal-plane G4i fibre-optic illuminated reticle powered by a CR2032 battery and regulated by iControl smart illumination, which powers down automatically during inactivity or vertical firearm tilt. Turret adjustments utilize capped PASSIONtrac mechanisms providing 0.1 MRAD (1 cm at 100 m) click values across a wide adjustment range, paired with a side parallax adjustment dial focusing from 10 m to infinity.

Key Features

Optical System: 3x to 15x magnification range paired with a 56 mm Double HD objective lens, delivering an exit pupil of 9.5 mm at 3x down to 3.7 mm at 15x, and a field of view of 11.1 m to 2.3 m at 100 m.
Fiber-Optic Reticle: Second-focal-plane G4i reticle with an ultra-fine illuminated central red dot and continuous stepless brightness adjustment.
iControl Illumination Management: Integrated motion and angle sensors shut off the illuminated dot when rested vertically and after 3 hours of inactivity, with a low-battery alert at 15% remaining capacity.
Adjustment Mechanism: Capped PASSIONtrac turrets with tool-free zero reset, providing 250 cm of total elevation and windage travel at 100 m with 1 cm per click precision.
Side Parallax Focus: Side-mounted parallax dial adjustable from 10 m to infinity (∞) for close-range pest control and extended-range shooting.
Durable Construction: One-piece 30 mm main tube construction that is waterproof, nitrogen-purged fogproof, and recoil-tested on magnum centerfire calibres including .300 Win Mag and .338 Lapua.

Specifications

Magnification: 3x – 15x
Objective Lens Diameter: 56 mm
Main Tube Diameter: 30 mm
Focal Plane: Second Focal Plane (SFP)
Eye Relief: 95 mm
Click Value: 1 cm at 100 m (0.1 MRAD)
Total Elevation & Windage Adjustment: 250 cm at 100 m (approx. 25 MRAD)
Parallax Adjustment: 10 m to infinity (∞)
Dimensions: 369.6 mm (L) x 85 mm (W) x 54 mm (H)
Weight: 830 g
Battery: 1x CR2032 3V lithium coin cell
Mounting Compatibility: Standard 30 mm scope rings on Picatinny, Weaver, or rifle-specific bases

Who is the GPO Spectra 5x 3-15x56i G4i Fibre for?

European high-seat and twilight stalkers targeting deer and wild boar — provides maximum optical clarity in low light through a 56 mm Double HD objective lens that delivers a 9.5 mm exit pupil at 3x magnification for clear target acquisition at dawn and dusk.
Open-country pest control shooters operating at medium to extended ranges — allows precise elevation dialing and parallax correction across a 3x to 15x zoom range supported by 250 cm of total internal travel at 100 m.

Less suitable for: Alpine and backcountry stalkers carrying an overall equipment load where an optic weight threshold of under 600 g is required; this hunting scenario is better served by a lightweight compact riflescope with a 40 mm to 44 mm objective lens.

SKU	GPO40683LP
Model #	RS560
Brand	Gpo
Shipping Weight	1.0000kg

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Gpo Spectra 5x Rs560 Riflescope 3-15x56i G4i Fibre 30mm Tube

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