The Burris Signature HD 15x56 Binoculars (Model BO300296) are long-range, roof-prism optics engineered to deliver detailed observation across expansive terrains. Featuring index-matched, fully multi-coated HD lenses and phase-corrected, dielectric-coated BaK-4 roof prisms, these binoculars maximize light transmission and eliminate color aberrations to maintain image clarity in low-light environments. The robust aluminum alloy chassis is enclosed in protective rubber armor and nitrogen-filled, providing complete waterproof protection down to 1 meter and reliable fog-proof performance. Because this is a purely passive optical device, it requires no batteries or regulatory electrical approvals, making it fully compatible with Australian field conditions out of the box.

Key Features

• HD Optics & BaK-4 Prisms: Minimizes chromatic aberration and glare for high-contrast viewing.
• All-Weather Performance: Nitrogen-purged housing prevents internal fogging across an operational temperature range of -5°F to 158°F (-20.5°C to 70°C).
• Rugged Durability: Shockproof aluminum chassis with robust, adjustable metal eyecups built to survive heavy field impacts.
• Tripod Adaptable: Includes a built-in adapter mount to facilitate stable, stationary glassing with a standard tripod adapter.

Product Specifications

• Magnification: 15x
• Objective Lens Diameter: 56 mm
• Dimensions: 8.2 in x 5.7 in x 2.5 in (approx. 20.8 cm x 14.5 cm x 6.4 cm)
• Weight: 43 oz (approx. 1.22 kg)
• Field of View (FOV): 215 ft @ 1,000 yards (approx. 71.7 m @ 1,000 m)
• Close Focus Distance: 23 ft (approx. 7 m)
• Exit Pupil: 3.7 mm
• Eye Relief: 17.5 mm (0.69 in)
• Interpupillary (IP) Distance Range: 60 mm – 75 mm
• Diopter Adjustment: -5 to +5

Who is the Burris Signature HD 15x56 Binoculars for?

• Open-country big game hunters — require the powerful 15x magnification and generous 56 mm objective lenses of these long-range roof-prism binoculars to successfully spot and evaluate game across vast distances in alpine or plains environments.
• Long-range tactical observers and wildlife spotters — benefit from the 215 ft @ 1,000 yards field of view, which allows users of these high-magnification binoculars to efficiently scan wide corridors and track distant subjects without losing image resolution.

Less suitable for: Dense-bush hunting where targets are consistently under 100 yards, where a lower-magnification optic (such as a wider 8x or 10x binocular) is better suited to maintain a broad field of view. Additionally, for extreme weight-saving backpack hunts where carrying the 43 oz chassis is impractical, a lighter 10x42 binocular or a dedicated spotting scope for tripod-only use would be more appropriate.