Leupold BX-3 Alpine HD 10x42mm Binoculars

The Leupold BX-3 Alpine HD 10x42mm binoculars are designed for clear observation across timber, open terrain, and changing light conditions. Their Elite Optical System supports strong light transmission, edge-to-edge clarity, and a wide field of view for hunting and outdoor glassing.

A redesigned magnesium chassis helps balance durability and handling, while the armor coating and interchangeable Form-Fit eyecups provide a secure, comfortable viewing platform. The Shadow Gray binoculars are waterproof and fogproof for dependable use in demanding outdoor conditions.

Key Specifications

• The binoculars provide 10x magnification for detailed viewing at distance.
• The 42mm objective lenses support light-gathering performance in varied conditions.
• The linear field of view measures 342 feet at 1,000 yards.
• The angular field of view is 6.5 degrees.
• Eye relief measures 16mm for comfortable viewing.
• The exit pupil measures 4.1mm.
• The close focus distance is 6.2 feet.
• The interpupillary distance adjusts from 56mm to 74mm.
• The optical system includes Guard-Ion lens coating and high-definition performance.
• The housing is waterproof and fogproof and includes a tripod-ready adapter port.

With a practical 10x42 configuration, ergonomic controls, and optical features suited to extended observation, the BX-3 Alpine HD offers a capable platform for hunters, birders, and outdoor users who value clear detail and dependable handling.