What kind of ring mounts do I need to clear the 50mm objective lens on my rifle?

The Sightron S1 G2 3.5-10x50mm requires standard 1-inch ring mounts to attach to your rifle. Because of the large 50mm objective bell diameter, you will typically need medium or high clearance ring mounts depending on your rifle's barrel profile and base setup. It is compatible with standard Australian-market bases like Weaver, Picatinny, and Tikka dovetail systems.

How does the fixed 100-yard parallax affect my shooting distance in the field?

This riflescope features a factory-fixed parallax set at 100 yards, which is optimized for general field hunting and medium-range big game between 50 and 300+ metres. Because the parallax is non-adjustable, it is less suited for close-range rimfire pest control under 50 metres or precision long-range target shooting beyond 400 metres where parallax error becomes more noticeable.

Are there any electrical compliance approvals or batteries required for this riflescope?

No, the Sightron S1 G2 3.5-10x50mm is a completely passive, mechanical optic featuring a traditional non-illuminated Duplex reticle. It requires zero batteries or electronics to operate, meaning Australian electrical certifications such as 240V mains compatibility, SAA approvals, and the RCM do not apply to this product.

Is this scope durable enough for heavy recoil centrefire hunting rounds and rough outback conditions?

Yes, this scope is built on a single-piece aircraft-grade aluminum 1-inch tube and is rated to 1,000 Gs of shock resistance, making it fully capable of handling standard centrefire calibres like .223 Rem, .308 Win, and heavy magnum hunting rounds. It is also nitrogen gas purged, O-ring sealed, and officially rated to IPX7 waterproof standards to handle harsh Australian weather and bush environments.

Hunting Riflescope - Sightron SI-32004

The Sightron S1 G2 3.5-10x50mm Riflescope is an all-weather, second focal plane optic engineered for medium-range field hunting and pest management. Built around a 1-inch single-piece aircraft-grade aluminium tube, it pairs a variable 3.5–10x magnification range with a large 50 mm objective lens treated with Sightron’s proprietary MC-333 fully multi-coated optical glass to maximise light transmission during dawn and dusk. Featuring an uncluttered non-illuminated Duplex reticle, capped 1/4 MOA low-profile turrets, and an IPX7 waterproof rating, this passive mechanical scope provides durable, repeatable performance across standard centrefire calibres without requiring battery power.

Key Features

Enhanced Low-Light Transmission: Combines a 50 mm objective lens with fully multi-coated MC-333 optics to draw maximum ambient light in early morning and late evening hunting conditions.
Robust Recoil Resistance: Certified for 1,000 G shock resistance to withstand the recoil impulse of standard centrefire hunting calibres, including .308 Winchester and .30-06 Springfield.
Weatherproof Construction: Nitrogen-gas purged and O-ring sealed to IPX7 immersion standards to prevent internal fogging and moisture ingress in harsh field environments.
Protected Adjustments: Low-profile capped turrets adjust at 1/4 MOA per click with 15 MOA per revolution, offering a secure zero that will not shift when moving through heavy scrub.
Generous Eye Relief: Provides between 3.3 inches (at 10x) and 4.1 inches (at 3.5x) of eye relief, ensuring comfortable sight picture acquisition and recoil safety.

Specifications

Magnification: 3.5–10x
Objective Lens Diameter: 50 mm
Main Tube Diameter: 1 inch (25.4 mm)
Reticle: Duplex (Second Focal Plane)
Field of View at 100 Yards: 31.46 feet (3.5x) to 11.99 feet (10x)
Eye Relief: 4.1 inches (3.5x) to 3.3 inches (10x)
Click Value: 1/4 MOA
Travel Per Rotation: 15 MOA
Total Elevation / Windage Travel: 65 MOA / 65 MOA
Parallax: Fixed at 100 yards (91.4 metres)
Length: 12.6 inches (approx. 320 mm)
Weight: 15.2 oz (approx. 431 g)
Waterproofing: IPX7 rated
Shock Resistance: 1,000 G

Who is the Sightron S1 G2 3.5-10x50 Riflescope for?

Medium-range big game hunters targeting deer, pigs, and goats — requires a lightweight 15.2 oz second focal plane hunting riflescope with a large 50 mm objective lens that maximises target visibility in low-light conditions at typical field distances between 50 and 300 metres.
Open-country pest management shooters — relies on 3.5–10x variable magnification paired with 65 MOA of total elevation travel and capped 1/4 MOA turrets to maintain a dependable, set-and-forget zero when patrolling rough terrain.

Less suitable for: Close-range rimfire pest control under 50 metres, where an optic with an adjustable objective or close-focus parallax below 50 metres is required to eliminate reticle error; or precision long-range target shooting beyond 400 metres, which is better served by a dialling scope featuring exposed turrets, graduated MRAD/MOA reticles, and adjustable side parallax.

SKU	SIT42353LP
Model #	SI-32004
Brand	Sightron
Shipping Weight	1.0000kg

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Sightron Si-32004 S1 G2 Riflescope 3.5-10x50mm Duplex

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