The Burris Fullfield 3-12x56mm (model number 201541) is a high-performance, second focal plane (SFP) hunting riflescope engineered specifically for low-light conditions. Built around a robust 30 mm main tube, this optic features a massive 56 mm objective lens that offers over 25% more light-gathering surface area than a standard 50 mm lens. This entirely passive, non-illuminated optic requires no batteries or external power, making it a reliable and compliant choice for Australian hunters seeking maximum twilight performance without electronic complexity.

Key Features

• Exceptional Light Transmission: The 56 mm objective lens maximizes light gathering at dawn, dusk, and under heavy canopy.
• Heavy Plex Reticle: A non-illuminated, second focal plane reticle utilizing thick outer posts to draw the eye quickly to the center for rapid target acquisition in dim light.
• Rugged Turret System: Equipped with a double-spring tension system to hold zero under heavy magnum recoil, offering 1/4 MOA click values with 95 MOA of total elevation and windage adjustment.
• Weatherproof Construction: Nitrogen-filled, one-piece aluminum tube construction ensures waterproof and fogproof performance in harsh environments.

Product Specifications

• Magnification: 3x to 12x
• Objective Lens Diameter: 56 mm
• Main Tube Diameter: 30 mm
• Ocular Diameter: 41 mm
• Weight: 19.7 oz (approx. 558.5 grams)
• Length: 11.2 inches (approx. 28.4 cm)
• Eye Relief: 74 mm – 86 mm (approx. 2.9" – 3.4")
• Field of View (at 100 yards): 36.5 ft (at 3x) to 9.0 ft (at 12x)
• Exit Pupil: 9.7 mm (at 3x) to 5.0 mm (at 12x)
• Parallax: Factory-fixed at 100 yards (91.4 meters)

Who is the Fullfield 3-12x56mm Heavy Plex Ksb for?

• Twilight and dawn deer stalkers — benefit from the massive 56 mm objective lens of this low-light hunting riflescope, which delivers superior light-gathering capability to extend hunting times during prime low-light hours.
• Pest control shooters targeting predators — can leverage the versatile 3x to 12x magnification of this Fullfield riflescope to quickly acquire and track moving targets in dense cover or dim twilight conditions.

Less suitable for: long-range precision shooting beyond 300 to 400 meters due to its factory-fixed 100-yard parallax, or for ultra-light mountain rigs where backpack hunters would prefer a compact, lightweight riflescope under 19.7 oz with a smaller 40mm objective lens to minimize carry weight.