The Leupold BX-5 Santiam HD 8x42mm Binocular (Model LE174481) in Shadow Grey is a high-performance optical instrument engineered for demanding outdoor environments. Built around an advanced optical system, these binoculars utilize extra-low dispersion (ED) high-definition lenses and Abbe-Koenig roof prisms to maximize light transmission and color fidelity. This design ensures clear, highly resolved imagery during twilight hours, making them highly effective for low-light observation in dense Australian bush or open alpine terrain. As a purely optical, non-electronic device, this model contains no batteries or digital components, meaning Australian regulatory compliance marks like the RCM, SAA certifications, and 240V electrical plug requirements are not applicable.

Key Features:

• Abbe-Koenig Prisms and HD Lenses: Extra-low dispersion glass paired with premium roof prisms maximizes light throughput, ensuring edge-to-edge clarity and true-to-life color reproduction.
• Ergonomic Open-Bridge Design: The dual-hinge, open-bridge construction provides a secure, comfortable handgrip, reducing hand fatigue during extended glassing sessions.
• Guard-Ion Lens Coating: A specialized hydrophobic exterior coating sheds water, dirt, oil, and fingerprints, maintaining clear vision in wet or dusty environments.
• Rugged, Weatherproof Housing: Features a lightweight, armor-coated chassis that is fully waterproof and fogproof, built to withstand harsh environmental conditions.
• Comfortable Eyebox: Equipped with twist-up, field-replaceable aluminum eyecups and a generous 18.5 mm eye relief to prevent eye strain.

Technical Specifications:

• Magnification: 8x
• Objective Lens Diameter: 42 mm
• Weight: 23.6 ounces (approximately 669 grams)
• Length: 5.9 inches (approximately 150 mm)
• Linear Field of View: 377 feet at 1,000 yards (approximately 125 meters at 1,000 meters)
• Angular Field of View: 7.2 degrees
• Eye Relief: 18.5 mm
• Exit Pupil: 5.25 mm
• Close Focus Distance: 8.0 feet (approximately 2.4 meters)
• Interpupillary Distance Range: 58 mm to 78 mm
• Prism Type: Abbe-Koenig roof prism
• Mounting Compatibility: Tripod adaptable via a standard 1/4-20 adapter

Who It Is For:

The Leupold BX-5 Santiam HD 8x42mm is designed for hunters, wildlife observers, and outdoor enthusiasts who require high-contrast imaging in challenging environments. The combination of 8x magnification and a wide 7.2-degree field of view makes this binocular highly effective for scanning thick timber, scrub, and dense vegetation, allowing users to spot movement quickly without losing situational awareness. It is an ideal choice for backcountry trekkers and alpine hunters in Australia who need a durable, lightweight optic capable of performing reliably in fluctuating weather conditions, from early morning frost to late afternoon heat.