Leupold BX-1 McKenzie HD Binoculars 10x42
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Clear Detail Across Changing Light
The BX-1 McKenzie HD 10x42 is made for field glassing where you need useful magnification without moving to a larger binocular. Its 10x view brings distant detail closer, while Leupold's Advanced Optical System is designed around light transmission, glare reduction in harsh light, and the resolution and clarity needed for extended observation.
Leupold's High-Definition lenses work alongside that optical system, giving this model its focus on clear, detailed viewing rather than loading the binocular with unnecessary extra functions.
Easy Adjustments in the Field
A large central focus dial is designed to be easy to locate and adjust, including when wearing gloves. The twist-up eyecups let you adjust your viewing position and can be removed and replaced in the field if damaged.
At approximately 624 g, the BX-1 McKenzie HD keeps its 10x42 optical system in a lightweight package. Leupold also confirms waterproof and fogproof construction, adding useful protection when conditions change outdoors.
Key Features
- Advanced Optical System: Designed around light transmission, glare reduction in harsh light, and clear image resolution for extended glassing.
- High-Definition lenses: Supports clarity, colour and image resolution through the 10x view.
- Glove-friendly central focus: The large tactile focus dial is designed to be easy to locate and adjust, even while wearing gloves.
- Field-replaceable eyecups: Twist-up eyecups provide viewing adjustment and can be removed for replacement if damaged.
- Waterproof and fogproof: Leupold confirms waterproof and fogproof construction for use in changing outdoor conditions.
Specifications
| Specification | Detail |
| Brand | Leupold |
| Model | BX-1 McKenzie HD |
| Product Type | Binoculars |
| Manufacturer Part Number | 181173 |
| Finish | Shadow Gray |
| Magnification | 10x |
| Objective Lens Diameter | 42 mm |
| Optical System | Leupold Advanced Optical System |
| Lens System | High-Definition lenses |
| Prism | Abbe-Koenig |
| Linear Field of View | Approx. 101 m at 1,000 m (304 ft at 1,000 yd) |
| Angular Field of View | 5.8 degrees |
| Eye Relief | 12 mm |
| Exit Pupil | 4.2 mm |
| Close Focus Distance | Approx. 3.0 m (9.8 ft) |
| Interpupillary Distance | 56-74 mm |
| Eyecups | Twist-up, field replaceable |
| Focus | Central focusing dial |
| Weather Protection | Waterproof and fogproof |
| Length | Approx. 147 mm (5.8 in) |
| Weight | Approx. 624 g (22 oz) |
Items Included
- 1 x GO Afield shoulder strap
- 1 x Binocular case
- 1 x Set of lens covers
- 1 x Lens cloth














